Msd advance springs 6 - Advance Springs Advance Springs: The rate, or how quick the advance comes in is determined by the type of springs which are installed on the distributor. I am hoping to get better low end performance. Springs Included: Yes. com mentions that you should not use the lightest springs on MSD, it will allow bounce off the stop and cause the timing mark to go crazy. Have you changed the springs. Unfortunatley, i do not believe it is due to rust. I am putting in an MSD Street Fighter HEI Distro. This will get your total mechanical advance to come in at The MSD advance chart that come with the MSD 8428 advance kit is very inaccurate. if you The way it is set up now by MSD with me using the heavy springs the total advance would kick in around 4000RPM. 3 ipr socket; I have an MSD Chevy Pro-Billet Distributor recently installed. I just installed those Blue springs so that total advance will be all in by 2,500 rpms. Am I on a slippery slope??? I bought an MSD Advance Curve Kit P/N 8428. Measure inside the loops and outside the posts and match the spring free length preload to any difference in distance between posts. I have a SBC 350. Summit Racing™ Distributor Advance Kits. 2,500 RPMs is good. Maybe I'll lock that one out and The graphs should help you choose an advance and which springs to use. of 21 degrees advance. I want my advance to be complete at under 3,000 rpm. It has adjustable springs and bushings for the centrifugal advance. Notes: Includes (6) advance stop bushings for 18, 19, 21, 23, 25 and 28 degrees. msdignition. However, after that I tried a number of different advance rate springs out (2 blues, 1 heavy and 1 light, 2 silvers) and all of them cause the advance to stop at 32 degrees all the way to 4500 rpm. the stock msd springs wont let the advance come on until about 5000rpm. Buy online, pick up in-store in 30 minutes. they purposely put heavy springs in them from the factory. could double as garage door springs. Our kits include springs and advance limit bushings so you can match the advance curve to your particular Distributor: MSD# 835231 Springs: 1 - Silver (light) & 1 - Blue (light) Bushing: Blue Thoughts on this based on the below application? I've also seen many recommend 2 - Silver (light) springs with a Blue or Black bushing, but [quote author=broncnaz link=board=5;threadid=19744;start=0#msg151428 date=1057643569] you may need to look at your harmonic balancer sounds like it may have slipped on you giving you a false readingthe light springs in the MSD get the advance curve where it needs to be Anyone have a good starting point for the Advance springs and limiter kit I got from MSD for my MSD Billit distributor? FR 302 engine, Holman - Moody dual quad intake (Oh Yeah!), holley carbs, FE valve covers, GT40X heads, moroso pan, MSD dist, Digital 6 ignition box, "E" roller cam, T5 tranny, "King Cobra" clutch, 8. The MSD Distributor Advance Kits are the same kits that come with your MSD Distributor. Photo 1 is in the weights in position. The MSD / Hardin Distributor Advance Kit contains an assortment of springs, advance limit bushings, and a mechanical advance lockout screw. Initial timing depends on which advance stop bushing you use. 540-. So I'm running like upper 40 something all in timing. Order ships free when this item is included and exceeds $175. (Not for use with Billet and Pro-Billet MSD Distributors) General Q & A - MSD advance springs?? - I have the marine MSD distributors. If the cars have header / starter heating problems, set enough advance so the initial timing can be fairly low to help turn the engine over. MSD Advance Kits 8428 MSD-8428. It is a crate 502/502 except for a Comp XR294HR cam, QF950 carb, AirGap intake, and MSD ready to run dist. I would start with one medium and one light, see where the total advance is coming in, and Too light springs and have eratic idle, currently running 1-silver/1-black to get stable idle, but advance is slow. I believe the total timing on this crate motor is 34 degrees. This is to prevent detonation in certain applications. Product Features: Fits all Billet and Pro-Billet MSD Distributors; Four advance springs supplied; Three stop bushings supplied; For use with MSD distributors only The MSD Distributor Advance Kits are the same kits that come with your MSD Distributor. com • (915) 857-5200 • FAX (915) 857-3344 MSD Pro-Billet Chevrolet V8 Distributor PN 85551 with Vacuum Advance, PN 8361 springs, advance cams, and an advance stop bushing. Fits Street-Fire HEI; CNC machined billet aluminum housing and billet aluminum baseWill not accept a vacuum advance canisterMust be used with an MSD Ignition ControlSupplied with an HEI style distributor cap and rotor The dist has the 21* stop in it now and two of the heavy silver springs in it per factory MSD settings. 99. THis is the lowest I can get a good reading. Adjustable reluctor Distributor Advance, Adjustable, Springs, Weights, GM, HEI, Kit. 4secondsflat. I have read on this forum about replacing the heavy springs for lighter ones. Accel, MSD have good springs? I fear most of these kits could be made offshore. AdvAnce SpringS This kit provides three different advance springs; light, medium and heavy. Mr. Review the information on pages 2-4 to determine the best advance curve for your application. COM • (915) 857-5200 • FAX (915) 857-3344 CENTRIFUGAL ADVANCE CURVE SELECTING THE ADVANCE SPRINGS The rate, or how quick the advance comes in is determined by the type of springs which are installed on the distributor. One set of springs will bring in full adv @ 2500 rmps the other @ 3000 rpms. MSD Ignition Distributor Advance Curve Kit - 8464. This kit will help you achieve the solid ignition timing you need! This is designed for the Street Fire HEI and stock style HEI Distributors. My idle is set at 900 rpm and the advance curve starts around A safe way to remove and replace the little distributor springs without having them snap loose and fly away to points unknown. 7 out of 5 stars 17 I have an MSD Chevy Pro-Billet Distributor recently installed. My engines make their best top end power at 32 degrees. It's a 468 chevy, 10:1 compression ratio: big hydraulic flat cam (comp cams 11-250-3) dual plane intake, 750 CFM carb, headers, Iron oval port MSD Vacuum Advance Part #: MSD8463. Gasket PitStopUSA. 4. As soon as you accelerate, vacuum drops and this extra advance stops. Top. Figure 1 Spring Rate Timing Advance. The stock springs are way too stiff. Part Number: MSD-8428. Seems like HEI's are designed for 600-700 RPM idle motors. 1979 Mustang Cobra 347/TKX Save on MSD Ignition Bushing and Spring Set; MSD Distributor 8464 at Advance Auto Parts. SAVE 15% OFF ORDERS $50+ | ONLINE ONLY. $19. It is not for use with MSD’s Pro-Billet HEI, PN 8365. #1 Remove the roll pin from the drive gear and remove the drive gear. Aim for 36 total timing. Swapping Advance Springs. Valve Spring Sets; Retainers; Shims; Valve Stem Locks; Valve Spring Accessories; Heads; Oil Filters. So now, I have the Streetfire dizzy, and all that I have used out of the MSD Advance Curve Kit is the selected springs. So 46 degrees max @ cruise. Show More Show Less Compare. The MSD distributors are equipped with two Heavy Silver springs Replace the heavy springs with 1 light silver and 1 blue spring. The Note: An MSD Ignition is required with this Distributor. $5 Off Your $100 Mobile App Purchase - Get the App. Posted: Wed Feb 08, 2023 9:00 am Post subject: Re: MSD advance springs and bushing: walterockmx wrote: And for a 1600 cc engine, what is the best spring/bushing setup? If that’s a stock 1600 the best choice is a stock distributor. Set the initial timing at 10-12 degree BTDC. gm hei's had MSD 8464 Bushing And Spring Set, MSD Distributor made by MSD, for as low as $22. (did not go higher than that). The kits include an assortment of springs, advance limit bushings and a mechanical advance lockout This kit will help you achieve the solid ignition timing you need. Picture 1 of 2. Different springs and stop bushings are supplied so you can tune an advance curve to match your application. Features: Fits MSD 8428 Distributor Advance Adjustable Spring and Weight Kit : Color No Color : Material Plastic : Suggested Users unisex-adult : Manufacturer MSD Ignition : Part Number I did however use the springs on my existing In order to change the centrifugal advance curve, the springs are swapped. Use the lightest ones in the pack so your advance comes in as early as possible. The string I am using is old MSD / Hardin Distributor Advance Spring Kit. #2 Remove the advance springs ,weights and bushings from the advance assembly. The rate, or how quick the advance comes in is determined by the type of springs which are installed on the distributor. You Save: 13% off MSRP! Quantity Add to Cart Reviews On This Product: Note: MSD Distributors are supplied with the heavy (slow) advance springs installed. Oil Filter Adapters; Oil Filter Bypass plates; MSD ADVANCE KIT. I had the same thing MSD designed this 8464 Advance Bushing and Spring Kit for use with MSD Billet Distributors. * MSD IGNITION • www. Fits Small / JEGS HEI Advance Curve Kit | Fits 1974-1979 GM (Without Computer) | Includes Center Pivot Plate, 3 Sets Of Advance Springs | 2 Advance Weights | 2 Pairs Of Nylon Bushings 4. For example, the MSD chart for its weights and springs show that two light springs will start That is one problem with the MSD distributor, it only allows you to go down to 18 degrees of mech advance. Please Click on the "Read More" link for additional details about this item. This is designed for the street Model 4017765 - MSD Bushing & Spring Set, Distributor 8464 - The MSD Distributor Advance Kits are the same kits that come with your MSD Distributor. 1 x 1. MSDPERFORMANCE. Estimated Ship Date: Tomorrow The springs change how fast the total advance comes in. There is no vac advance. 14 initial + 21 mechanical = 35 degrees all in (w/out vacuum). MSD GM HEI Weight And Spring Kit. These springs are Vacuum Advance: The vacuum advance will advance the timing up to approximately 12° during partial throttle driving (with 15 lbs of vacuum). Parts Included: 1 - Pro-Billet Distributor 1 - Rotor, PN 8467 1 - Distributor Cap, PN 8433 1 - Wire Retainer 2 - 1. I am fairly confident if you take the black springs out and install the 2 copper springs from the MSD black weight kit, (and do not move the I also confirmed the total mechanical advance of 20 degrees by installing the two lightest advance springs (MSD Kit). The graphs show that the MSD distributor's advance starts 1200-1300 rpm. That should give you full mechanical advance about 2800 rpm. Check the item description to confirm this fits your vehicle. 64 out of 5 stars This MSD distributor advance kit are the same kit that come with your MSD distributor. THey advance 4 degrees at around 4500-5000 rpms acording to my light. long tube headers, mechanical fuel pump, pertronix in the dizzy to get rid of points, MSD coil, 1969 Convertible field find (450hp spaghetti noodle) 1968 Fastback (428 and a The MSD dizzy comes set-up very conservatively with a blue advance stop bushing limiting centrifugal advance to 21* (over initial that is, so if initial is 10* then you'd have 31* total) and with heavy springs not letting the centrifugal advance go "all in" until 4,000 rpm. Vacuum Advance: The vacuum advance will advance the timing up to approximately 12° during partial throttle driving (with 15 lbs of vacuum). 64 out of 5 stars. Check to see at what rpm the advance curve is all in. These advance systems operate independently of each other. The kit includes MSD Cap, PN 8433 and Race Rotor, PN 8467. In stock Regular price $36. The MSD distributors come with directions and charts with the different advance curves and springs used. Designed for MSD GM-HEI Distributor Advance Springs-Whats Best Springs. I modified my mechanical advance slot to provide a max. 560, 242-248 duration. It seems to advance pretty late and I only seem to manage a total of 15 degrees of mechanical advance. Centrifugal advance functions by way of a pair of governor weights and springs, that are controlled by engine RPM. bigcam406 Pro Posts: 359 Joined: Mon Mar 29, 2010 1:40 pm Location: Ontario, Canada. Note: Will not work with MSD Pro-Billet HEI distributor 121-8365. a vacuum advance has 2 separate settings. Part #: 925D Line: MRG. This is to prevent Installed the lightest springs so I could set timing on low RPM but it didn’t stop advancing, and was jumpy. I need to get mine set up correctly also. 77 Sale price $36. This causes the distributor cam to move which advances the timing. To change the springs, use needlenose pliers. The MSD distributors are equipped with two Heavy Silver springs installed. yeah you can use the advance springs that come with the advance curve kit, change the bushing for total timming, the amount of adavnce for each bushing is color coded. 0 out of 5 ( There are no reviews yet. MSD Advance Kit. 75 out of 5 stars. $25. I want to recurve it, the current advance springs in it are too strong. Gallery. Popular Searches:door handle removal tool; esi connectors; 7. A = 14-17 degrees B = 11 - 14 C = 8 - 11 D = 5 - 8 This thing has 22 degrees of mechanical advance built in out of the box. 43 . I machined up a slightly bigger bushing for a MSD distributor and I think we got it down to 14 degrees of advance. Your Price: $12. The kit contains an assortment of springs and advance limit bushings. Centrifugal force shifts the weights outward against the tension of the springs. Distributor Advance, Mechanical, Springs, Bushings, MSD, Pro-Billet, Billet, Ready-to-Run, Kit. . With my initial @ 14 degrees; 14 initial + 11 vacuum = 25 degrees at idle. Free Shipping - MSD Advance Kits with qualifying orders of $109. Part Number: MSD-8464 4. MSD Advance Kits 8428 Distributor Advance, Adjustable, Springs, Weights, GM, HEI, Kit. In the Wiki articles it states the advance curve of the factory GM distributor starts around 800 rpm. LOCKED OUT you will have to do this. Usually the idle is set at 750 rpm. You can change the rate of advance by changing the centrifugal advance springs to lighter ones. 6 inches : Item model number 8464 : Is Discontinued By Manufacturer No : Exterior Brushed : MSD comes with heaviest springs in it. I am sure MSD will charge me for whatever they do since i had a steel gear installed. Springs to set the rate of advance; New bushings. Below is my timing curve with the MSD Advance Kit with the Light and Medium tension springs that originally came with the Pertronix distributor. 89. Experiment with 2 light silver springs (2400 Free Shipping - MSD Advance Kits with qualifying orders of $109. Fits all Billet and Pro-Billet MSD Distributors. Part #: 8464 Line: MSD Bushings Included: Yes. And the MSD strongest tension advance springs (blue) were ridiculously tight. 24 Add to cart. Last edited by A8skyhawk; Jun 30, 2018 at 12:05 PM . I'm am not sure how to change the distributor advance in an C3 Tech/Performance - Distributor advance weight springs - My '71 still has the original advance curve weights and springs. The springs that come in the MSD dist. Im debating whether to send it back or just buy a mallory. Valve Springs. Manufacturer's Defect Warranty MSD Ignition Distributor Cap And Rotor Kit - 7455. The amount and rate of advance that On my '79 Mustang Cobra, I run a built 347 stroker motor with an MSD distributor, 6AL ignition box, and their Blaster II coil. I think that was helping it hang up, but it also appears that the springs do not have enough tension to pull the assembly back to the stop position. #3 Slide the shaft two incheas out of With two lightweight mechanical advance springs, it’s common to see the mechanical advance start as early as 800 rpm or lower. Joe H, Aug 11, 2018. We'll see how this works out. I use 13* initial timming and the bushing for 25 degrees of advacne which gives me a total of 38+ advance. Distributor Advance, Mechanical, Springs, Bushings, MSD, Pro-Billet, Billet, Pro-Billet Ready-to-Run, Kit. COM • (915) 857-5200 • FAX (915) 857-3344 Figure 1 Spring Rate Timing Advance. I used the MSD medium springs that are supposed to have all-in by 3000 rpm. Thanks KThaxton, I just finished downloading the installation instructions for the MSD PN8534; the set up I currently have is the Blue Advance bushing (21 degrees) and the for the springs I utilized the two light silver springs, according to figure F of the Advance curve listed with the instructions which puts me at 25 degrees I believe. Applications: All MSD Distributors; Fits all Billet and Pro-Billet MSD Distributors; Specifications: Part Type. 1 - Advance Kit 1 - Gasket You want your timing “all in” by about 3,000-3200 rpm. The World's Speed Shop Since 1968. USE CODE. if your combo is like mine, 306 hci about 290rwhp, you want full advance by 3000rpm. The weights are free of dirt/grime, etc. People have said that I MSD offers two kits, PN 8849 or PN 8848 that are supplied with nine boots and terminals. changing only the springs and the advance stop bushing. the advance amount which is determined by the slot length and the amount of vacuum required to overcome the spring and start to move the cannister arm. On the dyno it made 420 rwhp at 6,000 rpms and 380 rwt at 5,300 rpms. It's a 468 chevy, 10:1 compression ratio: big hydraulic flat cam (comp cams 11-250-3) dual plane intake, 750 CFM carb, headers, Iron oval port Vacuum Advance: The vacuum advance will advance the timing up to approximately 12° during partial throttle driving (with 15 lbs. medium tension springs that came in the kit. MSD IGNITION • www. com • (915) 857-5200 • FAX (915) 857-3344 MSD Pro-Billet Chrysler V8 Distributor PN 8534 - 273, 318, 360 PN 8543 - 331/354 Early Hemi Note: MSD Distributors are supplied with the heavy (slow) advance springs installed. Any help is greatly appreciated. There is no need to change the weights or advance cam. i use the spring/stop bushing combo that nets me 36* total timing by 3000rpm@ 15* base. Two blue (light) springs will result in full advance @ 2500 RPM One silver (light) and one blue will result in full advance @ 2000 RPM Full advance @ 2500 RPM is the target? 76 Malibu Classic 502 Gen VI BBC MSD has a Green wire and a purple wire on 6A,6M,and 6T ignitions and M+ and M- marked on the MSD 7AL and 7ml ignitions. 8" rear, black p/c I want some suggestions from someone more knowledgable than me on what advance springs and advance stop bushing to use. tells the different ones. MSD Distributors are supplied with the heavy (slow) advance springs installed. I have another MSD that has the vac advance tho. what is your combo? yes it will make a huge difference. You will need a Timing Light with built in advance. It came with the same contents as most of the Advance Curve Kits come with, different springs, two weights, and a center plate. Reviews. MSD 8428 Distributor Then I looked at the mechanical advance springs today for the first time. I only used these springs to confirm my initial mechanical advance setting. MSDIGNITION. ADVANCE SPRINGS This kit provides three different advance springs; light, medium and heavy. Full advance comes in at 4000 rpms. Find PONTIAC Distributor Advance Kits and get Free Shipping on Orders Over $109 at Summit Racing! MSD Advance Kits 8428. 3 - Sets of Advance Springs 2 - Weights 1 - Center Plate Figure 2 Installing the Advance Kit. The amount and rate of advance that your distributor is capable of is determined by the centrifugal timing. The first one looks normal and tight, while the second is so stretched it's about to fall off. 24 Regular price $40. Part #:MSD-8464-+ Add to Cart. Bought the kit to do so, however it comes with a lot of different springs/advance curves. I put MSD IGNITION • WWW. MSD’s vacuum The MSD distributor instructions include graphical depictions of the mechanical advance curves (advance vs RPM) for the various spring combinations. Note: MSD Distributors are supplied with the heavy (slow) advance springs and the 21° stop bushing installed. Sale Mr. It comes full on @ 4K RPM. If it’s built to make power at 9,000RPM then it’s going to be way different. The kit comes with new advance weights, springs to set the rate of advance and new bushings. Re: GM-HEI Distributor Advance Springs . MSD installs two heavy springs that provide the slowest advance rate at the factory, but they're easily replaceable, allowing you to determine the rate that works best for your particular combination. MSRP: $14. Try one heavy silver spring and one light silver spring to start. MSD's Billet Distributors have been redesigned with many new features, including a race rotor and alkyd cap and a new billet base with full CNC Pro Billet design. Have one to sell? Sell now. Thank you, Summit Racing Equipment. Allows you to tailor you timing curve for your particular application. ) $ 23. 60. For an MSD distributor, light silver springs provide the quickest rate of advance, while heavy MSD Ignition : Brand MSD : Model MSD 8464 Distributor Advance Kit : Item Weight 1. Tell me what springs (and bushing) I should be running in my setup. of vacuum). The kit contains an assortment of springs and advance limit bushings. Even with will stiff springs, the advance can creep as the rpm's climb, so I braze, or weld, or set screw in solid stops. My aim is to have about 14 degrees of intial timing and having the MSD advance 21 more for a total timing of 35 degrees fully advanced at uunder 3,000 rpm Has anybody done anything similar. SELECTING THE ADVANCE SPRINGS The rate, or how quick the advance comes in is determined by the type of springs which are installed on the distributor. That means I have them set at 28 at 2000. Note: MSD Gear Note: MSD Distributors are supplied with the heavy (slow) advance springs installed. WINTER15 * Exclusions apply. The heavy silver springs are what all MSD distributors are equipped with from the factory. The cam specs are . MSD • WWW. Mancini Racing Distributor Spring Kit. Post by rally » Tue Apr 05, 2016 1:33 am. Distributor Advance, Adjustable, Springs, Weights, GM, HEI, Kit See More Specifications | Check the Fit. MSD8464 by MSD IGNITION Spark Advance, Mechanical Advance Kit, Springs / Bushings, MSD Distributors. Below are the detailed Using a combination of the different springs produces a variety advance rates. The vacuum line should be routed to a ported vacuum outlet above the throttle plates. Fits: Mopar Style Vacuum Advance & Mechanical Fits: Small / Big Block. com offers advance kits that include advance springs that allow you to adjust the rate of spark advance from quick, to super-quick, to ultra-quick. Summit Racing™ distributor advance kits will give your distributor a performance curve. Fits all Billet Vacuum Advance: The vacuum advance will advance the timing up to 10° during partial throttle driving (with 15 lbs of vacuum). MSD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installed Tuner wrote: ↑ Sun Feb 04, 2024 3:33 pm MSD instructions aside, never use mismatched springs in a Delco type advance mechanism, always use identical springs with identical preload. Note: This kit is designed for stock style GM HEI Distributors. New distributors also come with a collection of lighter advance springs that you can mix and match to create the desired quickness of the advance curve. If you use the blue one that comes pre-installed, initial will be 15 degrees and you should probably use the two blue springs. Shop Distributor Advance Kits at Summit Racing. Now let’s look at the advance springs. Keep the advance weights and springs that you have, but remove the 2 stiff mechanical advance springs springs and replace with 2 medium tension advance springs. 86 out of 5 stars The MSD distributor advance kits are the same kits that come with your MSD distributor. I already set the vacuum advance stop to B which is 11-14 degrees of vacuum advance. 6 ounces : Product Dimensions 8 x 6. 5" Self Tapping Screws springs, advance cams, and an advance stop bushing. This kit includes six advance stop bushings for 18, 19, 21, 23, 25 a MSD 8464 Advance Bushing and Spring Kit, fits all MSD See more Distributor Mechanical Advance MSD 8428; Share. Just above the pickup is MSD's adjustable mechanical advance assembly. The paper work that came with the dist. The car has a T-400, 410:1 rear, 3500 stall. I Distributor Advance, Mechanical, Springs, Bushings, MSD, Pro-Billet, Billet, Ready-to-Run, Kit Advance Weights Included: No Advance Limit Bushings Included: Yes Spring Quantity: 6 Adjustable Vacuum Advance Included: No Quantity: Sold as a kit. If one spring is stronger than the other, the stronger spring will pull I modified my new vacuum advance can to limit it to provide 11 degrees total advance @ 18” idle vacuum. The new Mopar Performance distributors are made by Mallory and they have an adjustable mech advance that ranges from 0 to 32. Part #: 7455 This MSD 85551 distributor is interesting, because changing initial timing will also result in a change of full advance timing. Called calling MSD but no Distributor Advance, Mechanical, Springs, Bushings, MSD, Pro-Billet, Billet, Pro-Billet Ready-to-Run, Kit. Distributor Advance Weight Springs. Gasket Distributor Brush Spring Kit - 925D. Somewhere between 2500-3000 rpm. On the dyno with the same stop and springs it pulled 489 with 38* all in. MSD Vacuum Advance Lockout. With the 2 lightest springs, my total mechanical advance was in by 2500 RPM. zfbgnieezwoposcyrnfneqotioxwlnkthhmlvczbfdiwewmljapzslkzcgbriupjlhibltdmsmupiztwpnsc
