[bigz]

Does anybody have the part number for the comp cams replacement springs for an 86 GN. What else should I replace while doing the valve springs, and where would I find those parts. Thanks

Mike

 

[Buick T]

Comp 980s with damper (inner spring) don't reuse the stock cups. I think it's 980-12. Replace the seals on the intake sides only as the exhaust side does not use them. You should be able to get them as a parts store that carries Compatition Cams parts. Do a search there is alot of discussion on springs but the general consences is the 980s, that's what I used.

 

[MSDGN]

Another option are the CC 979-12's...single spring and you reuse the stock cups...the pressures are basically identical to stock specs...can get them from Summit Racing...

 

[Steve Wood]

The 980s installed to stock height is at the top end of stock specs and the use of the damper spring should provide longer life to those that routinely run their cars to 5400 or so going thru the lights...

Otherwise the 979s are more or less comparable.



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[Zap]

From the GNTTYPE ARCHIVES:

OD(in.) Closed# Open# Rate(#/in.) Part number
> 1.20 80 200 267 VS677
> 1.23 85 230 295 VS1615 - Sealed Power numbers
> 1.264 105 277 350 VS739R
> 1.24 80 200 267 CC 979 - Comp Cams numbers
> 1.23 85 230 325 CC 980
> 1.25 110 285 ? CC 981
>



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[Steve Wood]

Did that archive give an installed height?



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[Zap]

To clarify myself, it was the mailing list archives. To answer Steve W

D's question:

I don't think so. I cut and pasted all that was listed for my own use... cause I was gettin' ready for some new ones for my Turbo Riv and wanted the part numbers handy. Ken Mosher posted the data.

I do know that the Comp Cams book lists the 979's with the cam kits they sell for the 231 Buick Engines. A lot of people on the List seem to like the 980's though...



[This message has been edited by Zap (edited May 04, 2002).]



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[fast86]

979's are not ava. anymore. 980's are the replacement used for 979's.

 

[Zap]

Well la de da! Whoopdeedoo!



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[motorhead]

I got the Comp 980s.

The P/N for the FelPro Viton valve seals is SS72623.

I am doing my springs and seals shortly. And while the motor is out everthing else that is a PITA.

------------------
Michael Lis
87 Vortec SS
87 Turbo T
http://geocities.com/CanadianSkunkWorks/index.html

 

[Toadie's T-Type]

I kinda got lucky with my springs.
I had placed an order for valve springs and got the wrong numbered springs for the cam I was using in a SBC. I decided to keep them for sometime down the road rebuild on an SBC.
They turned out to be 980-16.
So I'll have 4 left over.
May buy 2 more sets of 16 to fill out another set.
Not that I'll need them. but someone else might.

 

[Steve Wood]

I was curious if the pressures had been normalized for the same height....we use a kinda odd bal height and lots of times pressures are shown at 1.7 instead of whatever the fricking height is on a buick.

The 979s are still available.



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[salvageV6]

74-82 lbs. at 1.727"

Use the 980's.

I've got 8 spares need 4 more for the next car. Ain't gonna be a next car I hope.

 

[Zap]

Originally posted by Steve Wood:


The 979s are still available.

Uh oh, Fast86, Steve W

D says they are still available. He says you are wrong! What do you have to say?





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[Steve Wood]

He stands corrected...

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[PRSRIZD_V6]

Originally posted by Zap:
Uh oh, Fast86, Steve W

D says they are still available. He says you are wrong! What do you have to say?

I WOODn't take that from him if I were you fast86"

 

[Steve Wood]

He's a Harley Clown. He is too busy picking up the pieces that shake off to worry about me



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[salvageV6]

Oh boy, glad I didn't say that...

Even if it is true.

They prolly ship the 980's and tell you to take the spring out for 979's or something like that....

 

[Steve Wood]

They are in the CC online catalog and available from Jegs and Summit.



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[salvageV6]

Now there's definitive proof.