Mallory Electronic Marine Distributor Ylu 624 Av 209 D Chevy Engines. This will not fit a Unilite 37 series distributor that used to be extremely prevalent but have disappeared over the last few years. Original Poster. The 4728201 can have either a YH or YT Mechanical Advance Design: "Mallory uses three different mechanical advance systems. Called Holley/Mallory and they've discontinued making the 318 rotor. Does anyone have a … Click here to get all the product details. Mallory has been a … Remove the top from the Mallory distributor by removing the three screws. Add to Watch list. 149.99. Anyone wishing to adjust the timing on their YH or YT-type distributor needs one of these, and the correct keys are getting increasingly hard to find. distributor can produce. If original distributor is a vacuum advance unit, note the direction that the vacuum chamber is pointing and remove the vacuum line. You need this kit to work on the YH & YT type of distributor. Mallory distributor with the YH or YT advance system. These degree keys will work for modification of the mechanical advance curve of any Mallory style distributor with the YH or YT advance system. Kit also has curve sheets so you will know what kind of curve you will get with any spring pair. If original distributor is a vacuum advance unit, note the direction that the vacuum champer is pointing and remove the vacuum line. B) 8/99 Made in U.S.A. Compare the advance system in your distributor with the assemby shown in Figure 4 to determine if you have a YH or YT advance system. Upgraded to MSD ignition system. If you find NOS, grab one or even two while you can. View Details. 452 posts. advance system. Step 3 Remove the top from the Mallory distributor by removing the three screws. Remove the original distributor. Remove distributor primary wire connected from distributor to negative terminal of coil [negative earth system]. I expect that with anybodys re-curve kit.The re-curve springs tend to be ALL-IN 500 RPM above Mallory's predicted RPM. Recurving a Mallory distributor can be done with a curve kit. O.K., got the Mallory YH spring kit and read through the instructions a couple times and decided I do not want a straight line curve, but rather a two stage for street and racing would be more appropriate (less likely to cause detonation)! Maybe I read it wrong. 130 months. If a vacuum advance unit is being replaced, turn Maybe it's missing some parts/springs and that's is why it's advancing so far. I could also not find how to remove the module to even get to the springs and tabs they talk about in the instructions. bfitz241 wrote: As I read it, I thought he was saying the GM distributor would continue to advance as the rpm rose. Mallory distributor YH advance degree keys HELP. The Land Rover Owner Forum is a meeting place for all Land Rover enthusiasts to discuss their passion for their vehicles. Install the Mallory distributor in the engine. Remove cap from Mallory distributor. Clearance! mallory • www.mallory-ignition.com • (915) 857-5200 • fax (915) 857-3344 note: see figure 2 for common magnetic pickups. The easy three wire hookup of the Unilite makes running a stock coil, a Mallory performance coil and even a Mallory HyFire CD ignition a snap. Remove distributor primary wire connected from distributor to negative terminal of coil. to gray tach white (not used) orange blac k small red distributor with pn 609 magnetic pickup magnetic ignition module coil msd system installing to a magnetic pickup distributor. The advance tab does not affect the shape of the advance curve, but rather limits the advance to a given amount. the advance system in your distributor with the assemby. 195.30. Back to home page. Does not fit Mallory YL670AV 8-cyl distributor . Correct me if I'm wrong, but it almost appears that you need to have the distributor out and gut it to adjust the advance. Came off 460 Ford. Great shape also have chrome coil.$70 odo.. cleaning out garage. Century Performance Center, Inc. :: Mallory Distributor Assembly Drawing, 57 Series Looks to me that the springs and weights are above that plate. O'Reilly Auto Parts carries Mallory Ignition. 5.0 out of 5 stars 2 product ratings. Step 4 Install a 1966-69 distributor clamp. Verified Purchase. Most Mallory distributors are set at the factory to limit the advance to 24 degrees. The forum contains a welath of tips and tricks and knowledge to help all owners with any issues their vehicle may have and grew from the ashes of the old LROi forum . 2. Curve kit for distributors with YT or YH mechanical advance (advance parts are gold colored) is 29014. Anyway, I think this experiment is over. Grabbed a Mallory comp 32 distributor for my current project and it uses the "YH" advance setup, no vacuum advance. The Summit 850525-1 advance kit is designed for the YH and the YT Mallory type distributor. (10 distributor = 20 crank degrees since the cam and distributor run at half the crank speed) for a total advance of 36 degrees. Rotate the shaft until the arrow on the shutter wheel points approximately at the arrow on the housing. 328.61. At this time we do not offer an advance kit for your Rover engine. Mallory Distributor Advance Mechanical Adjustable YH and YT Series Dist | eBay. Reviewed in the United States on April 15, 2012. The optimum advance curve for your application depends on many variables. ... Vintage Mallory Distributor Yl-585-av Marine Hot Rod Rat Rod Gasser. Apparently I have Mallory YH distributors which use the larger 5/8 inch diameter shaft ends. Kits come with springs and degree keys to adjust the rate and amount of advance. Mallory distributor had the dual points, but upgraded it to a Mallory E spark . drak ula. Mallory uses … Probably why Mallory … Sunday 15th January 2017. Not only is the YH plate inconvenient to access, the adjustment tools are made of plastic so when you slide it in the sharp metal slot, it tries to shave off a small portion of the adjustment tool. I found that the weights hold the thing together. Figure 4 shows how the advance tab can be bent to … Mallory. Already has the esparkElectrics installed. Whether you have the Mallory Unalite or Dual Point with or without our Power amplifier you will find below a wiring diagram to suit and also the original instructions that come with the Mallory distributors. They are made of thermoplastic material for high dielectric strength and provide impact resistance quality that prevents damage. Distributor primary wire connected from distributor to negative terminal of coil 500 RPM above Mallory web. National brands you know and trust carried by O'Reilly Auto parts part the... That is the picture to the right ( YT ) mallory yh distributor the ignition coil the... 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