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#1
10-09-2011, 01:22 PM
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Msd pro Billet Distributor caps
Has anyone had a problem with the distributor caps getting
corrosion on the inside terminals? |
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#2
10-09-2011, 01:29 PM
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mine always look like crap, i also had the washers on the rotor split into about 6 pieces.
__________________
 1970 gto (4spd) 462 500 hp [email protected] / 1.843 60'/ 3980 lbs 1964 corvette roadster 1968 corvette roadster 1962 corvette "equal rights, not equal things" if you want to know the future, read "atlas shrugged" I dont race a 4spd because it is easy, I race a 4spd because it is hard. 
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#3
10-09-2011, 01:44 PM
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Yea,well mine gets a skip to it in the higher
RPMs, then I can clean it and scrape The corrosion then it's runs great. Didn't know if there was a cure or not. |
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#4
10-09-2011, 02:05 PM
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Yeah, happens all the time...
Yesterday mine developed a slight miss when I was warming the car before time runs. I cleaned it with 600 grit sandpaper. After doing that, on the first time-pass it ran like a raped ape. The car ran awesome all night, made 9 passes in all, two time runs and seven eliminator rounds... The MSD reluctor will corrode and the cap & rotor will show arc wear, 600 grit works on both... After having to clean the cap several time, I'll replace the cap & rotor, and start over...
__________________
1969 Firebird, Tx3-455/468 machined by CVMS E-heads by Dave Wilcox/Comp Cams 300B-6 flat solid 850DP on E-85 by Eric Niefert/T2 1" plastic spacer T-400/PTC 4000/390's/30x9 Hoosier radial slicks,#3400 1.38 60' 6.32 @ 108 MPH at Northeast Dragway NC 5/23/15 (9th pass on new engine) https://m.youtube.com/watch?v=ePCu2v...ature=youtu.be 1.37 60' 6.26 @ 109 half track, 9.86 @ 136 1/4 mile, #3350 11/26/16 at Richmond Dragway (125th pass on new engine) |
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#5
10-09-2011, 03:28 PM
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John, my first cap and all of the internals of the distributor had surface corrosion. MSD has added a vent to the top of the new caps. Don't know if this helps as I haven't had my cap off this year.
__________________
Less said,,,,,,,, Less mended. |
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#6
10-09-2011, 03:53 PM
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terminal corrision
yea just think of it as normal maintaince. I check my terminal about once a month specially with the humidity we get here in the midwest. I've started carring a a spare or 2 in trailer so i can just swap them out if i feel a need and clean it after rounds are done. keep them in vac. sealed bags. Can get them at grocery store with a little hand vacuum pump work great.. For parts and Meat!!!!
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#7
10-09-2011, 04:20 PM
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Thanks George, both of mine have the
Vents, but still gets corroded on them. Hey Axle Chuck and I are going to SGMP On Saturday for the Havok race you and George ought to check it out on their website. |
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#8
10-10-2011, 08:14 AM
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You can put a touch of dielectric silicone on them and the tip of the rotor and it will help. Just dont gob it on there.
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#9
10-10-2011, 08:32 AM
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Looks like a good event John, have fun and good luck...
Tell Chuck, and your Dad I said hello...
__________________
1969 Firebird, Tx3-455/468 machined by CVMS E-heads by Dave Wilcox/Comp Cams 300B-6 flat solid 850DP on E-85 by Eric Niefert/T2 1" plastic spacer T-400/PTC 4000/390's/30x9 Hoosier radial slicks,#3400 1.38 60' 6.32 @ 108 MPH at Northeast Dragway NC 5/23/15 (9th pass on new engine) https://m.youtube.com/watch?v=ePCu2v...ature=youtu.be 1.37 60' 6.26 @ 109 half track, 9.86 @ 136 1/4 mile, #3350 11/26/16 at Richmond Dragway (125th pass on new engine) |
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#10
10-10-2011, 11:23 AM
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I went back to the MSD caps because they are vented. Didn't cure the corrosion issue though. Last time I cleaned mine was before Norwalk, started to act up again so she be getting some attention this week. I sprayed a light coat of WD-40 on the distributor internals, then wiped down any excess.
__________________
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#11
10-10-2011, 12:33 PM
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If you have room - the large cap with the cap-adapt system works better
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#12
10-10-2011, 01:09 PM
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Quote:
__________________
If you cant drive from gas pump to gas pump across the map, its not a street car. http://s207.photobucket.com/albums/b...hop/?start=100 |
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#13
10-10-2011, 02:23 PM
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Quote:
Going to try the dielectric deal next clean job...It's Sun Tuned endorsed ! 
__________________
 ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far..  through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#14
10-10-2011, 02:24 PM
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Quote:
__________________
ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#15
10-11-2011, 07:47 AM
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Sure.
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#16
10-11-2011, 12:34 PM
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I just drill an extra vent hole has worked fine for the race car but i would not do this on a street car.
Vince |
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#17
10-12-2011, 05:04 PM
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I was having problems with mine as well msd sells a adapt a cap for the pro billet that lets you run a ford cap.I had no further problems after the swap.
__________________
1969 GTO street strip project 11.1 forged 461, highport heads 1995 Trans-am 420 ci sb 14:1 compression 9"ford 9.89@132 1.34 60ft SOLD! |
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#18
10-12-2011, 06:22 PM
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Every cap be it any Bran MSD OR stock HEI ive drilled at least 3 holes into the cap between terminals, i never had any corrosion at all so far, ok start out with a pilot hole 1/4 inch and go to 3/8, i would not be afraid to put 4 or 5 holes in the cap.Before anybody asks me yes around perimter or o.d. of cap not on top!!
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#19
10-13-2011, 09:49 AM
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Todays High voltage ignitions + humidity + inclosed non vented area = corrosion.
I used to drill a small hole in the side of the cap. Was recommended back in the day by MSD & Accel. |
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