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  #16 (permalink)  
Old 11-06-2012, 07:52 AM
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Quote:
Originally Posted by F-BIRD'88 View Post
It will work well. Better with a 3500 stall. I run that cam in my 406.
use locked timing and ported vac advance . good match to your carb and intake. and purpose
Do not assume lift clearance on heads (Retainer to seal). Measure it your self.
.507" .510" This cam needs good springs and quality lifters. Works well.
You will like this one in your vette. very strong from 3000 up. Degree it for best results.
You do not need to drop the pan to change the camshaft.

Molyslip Canada Inc. :: Molybdenum Lubricants, Performance Lubricants, Copaslip Anti-Seize, EP2 Grease, Wear Reducing Lubricants, Oil Additive

Remove first few oil pan bolts in front of oil pan, loosen a few more.
Just pry the pan down a hair,just enough to slip the timing cover back on, after
trimming the corners of the timing cover.

Be sure the springs are all installed correctly at correct height. 305 head have deeper exhaust spring
seat. requires a .105" (.060+.030+.015) stack of spring shims to correct, when ex rotators are eliminated. 6800+capable with the correct springs. 6000-6400 shift point is plenty.
Cool idle 3.5" or 4.5" power valve., jetting is fine.
The valve train will not be perfectly quiet with this cam. It has fast action and agressive ramps.

It will GLH.
Currently I have comp 981 springs with about a month or 2 run time on them. Will these get the job done or is an upgrade absolutely required.....?

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  #17 (permalink)  
Old 11-06-2012, 05:51 PM
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Quote:
Originally Posted by F-BIRD'88 View Post
Comp wants you to use something a little better for this camshaft.
They recomedn their medium size 986-16 spring.

I use a stock diameter high pressure single spring with similar seat and open specs.

This Summit racing Spring is similar to what I'm using
SUM-174000
Others are Lunati 73943
Isky 235D

Pioneer 810107-4
Pioneer Automotive 810107-4 - SummitRacing.com
You need to order 4 units to get 16 springs
They are packed as a 4 spring set pack.
..

Crower Performance Valve Springs 68304-16

Comp valve spring shim kit #4753 You need this to correctly shim the deep exhaust spring seats
to get the installed height right.
Should pick up the cam this weekend. And after I figure out heat for my garage I will likely pull the tranny, then get the heads off and go from there. Yes I will upgrade the springs then if you think its a must. Think maybe I will splurge on arp headbolts this time around lol....
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  #18 (permalink)  
Old 11-06-2012, 07:21 PM
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Originally Posted by F-BIRD'88 View Post
I like the GM GMPP sbc head bolts for your purpose.
About $20... come with pipe tape already and have a the smmer hex head to
allow retorque without removeing rockers
Is this just a stock GM headbolt? Im a service manager at an import dealer and get great prices from other dealers.......so if i can just order through GM that's fantastic...
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  #19 (permalink)  
Old 11-07-2012, 06:36 PM
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Originally Posted by F-BIRD'88 View Post
No they are not stock bolts. A lot nicer and have the smaller hex head.
If you have it kicking around shoot me a pn#, if not I will Google away.....no biggie
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  #20 (permalink)  
Old 11-08-2012, 08:37 AM
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Originally Posted by F-BIRD'88 View Post
Its in the GMPP catalog.
You can download the whole thing.
They are on the summit site too.
Perfect....thanks!
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