distributor gasket
Thread Starter
Burning Brakes
Joined: Jun 2002
Posts: 837
Likes: 3
From: Texas
distributor gasket
Good morning...........I'm in the process of shimming the endplay out of my distributor and noticed the gasket between the dist. and manifold is pretty ratty. I seem to remember that gasket sealer sould be used on one side......top (dist. side) or botton (manifold side). Could someone help jog my memory please?
On my way to pick up the gasket so will check back shortly.
Thank you
On my way to pick up the gasket so will check back shortly.
Thank you
Burning Brakes
Joined: Sep 2004
Posts: 1,167
Likes: 2
From: Ft.Worth Texas
Along these same lines, I just shimmed my new Mallory dist to .002 end play. It had .019 new.
How do you tell about the cam to dist. gear fit and the dist gasket thickness or is this of no concern.
How do you tell about the cam to dist. gear fit and the dist gasket thickness or is this of no concern.
Burning Brakes
Joined: Jan 2004
Posts: 1,043
Likes: 4
From: Va
Another item of concern is to be sure that
the distributor tang engages the oil pump driveshaft by at least 1/4". I had a stroker build (paid $6k) and when I checked this out it was only engaged by 1/8". I returned the distributor to the engine builder and he converted it to a slip collar so the distributor could be lowered an addtional 1/8". Doesn't sound like much but could be disasterous. I believe my issue was caused by the fact I had after market heads, intake, and distributor and each manufacturer has their "within spec tolerances".
Here is a link to an MSD paper on checking these measurements, go to page 5.
http://www.msdignition.com/pdf/85561...1_frm25672.pdf
Have fun !
Here is a link to an MSD paper on checking these measurements, go to page 5.
http://www.msdignition.com/pdf/85561...1_frm25672.pdf
Have fun !
Burning Brakes
Joined: Sep 2004
Posts: 1,167
Likes: 2
From: Ft.Worth Texas
Would a too high or too low setting of the distributer cause a gear mesh backlash problem with it's gear and the cam gear? Kind of the same problem caused by too much end play in the dist housing and gear?
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Originally Posted by b71vette
the distributor tang engages the oil pump driveshaft by at least 1/4". I had a stroker build (paid $6k) and when I checked this out it was only engaged by 1/8". I returned the distributor to the engine builder and he converted it to a slip collar so the distributor could be lowered an addtional 1/8". Doesn't sound like much but could be disasterous. I believe my issue was caused by the fact I had after market heads, intake, and distributor and each manufacturer has their "within spec tolerances".
Here is a link to an MSD paper on checking these measurements, go to page 5.
http://www.msdignition.com/pdf/85561...1_frm25672.pdf
Have fun !
Here is a link to an MSD paper on checking these measurements, go to page 5.
http://www.msdignition.com/pdf/85561...1_frm25672.pdf
Have fun !
Looks and ran sweet until the dist gear got eaten though and the dist stopped spinning.
Burning Brakes
Joined: Jan 2004
Posts: 1,043
Likes: 4
From: Va
Yes - I checked the gear mesh with some grease
Also, installed a Comp Cams Composite distributor gear. A prematurely worn bronze gear is what lead me to the issue with the oil pump shaft. The dang engine builder installed the bronze gear when it wasn't supposed to be used on the solid street roller cam I have, this is per Comp Cams.
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Burning Brakes
Joined: Sep 2004
Posts: 1,167
Likes: 2
From: Ft.Worth Texas
Ferve how do you set this height? Also I understand to use a melonized gear...whatever that is....and got one from GM
"did you set the dist height for the correct dist and cam gear mesh before you measured the oil pump shaft overlap? "
"did you set the dist height for the correct dist and cam gear mesh before you measured the oil pump shaft overlap? "
Burning Brakes
Joined: Jan 2004
Posts: 1,043
Likes: 4
From: Va
Unless you have a slip collar distributor there isn't
much adjustment, best way to check the gear mesh is using the grease method described in the MSD doc.
page 5
http://www.msdignition.com/pdf/85561...1_frm25672.pdf
page 5
http://www.msdignition.com/pdf/85561...1_frm25672.pdf