ARP studs or factory bolts?
1989, head gasket being done in car.
I have both the ARP studs and the OEM bolts. Heads ready to go, block clean. Plan to assemble tomorrow. Leaning towards the bolts. Which would you use?.......why? While I am at it, for the head gasket, felpro or factory? got both as well. |
Bolts and GM gaskets is my vote.
|
Unless it's a race style prep, bolts are more than adequate.
As for the gasket, probably either. I'd use the thinner of the two. |
:iagree:, bolts are more than adequate for a street driven daily driver. original bolts must be clean and threads chased, and I have never used original bolts more than 1X past original, factory install. thought I read somewhere not to use OE bolts more than 2X past original installation - however, have nothing to back that up. over the last twenty years or so, I've opted for new bolts, and lately new ARP's. unless you're on a budget, new bolts and one less thing to worry about. head gaskets - my last use was felpro - no issues. lost a little compression due to compressed thickness (.038 felpro vs. .015 OE steel shim) - to be honest, SOTP, can't tell the difference. felpro's will be a little more forgiving with the whole surface flatness thing. :thumbs:
|
Thanks for all the great responses so far, I am considering each.
Just for the record, the factory bolts are brand new from the dealer. Thanks again |
With studs, you may have difficulty removing the heads in the car at a later time. Brake boosters tend to get in the way. |
Update!
Here is photo of a FelPro gasket on top of the dealer gasket. The FelPro covers the block and head, the "extra" of the dealer gasket does not appear to have any function. Do I have an incorrect dealer gasket? https://cimg4.ibsrv.net/gimg/www.cor...ef11c3e2bc.jpg |
Originally Posted by woodcrest
(Post 1598694475)
Update!
Here is photo of a FelPro gasket on top of the dealer gasket. The FelPro covers the block and head, the "extra" of the dealer gasket does not appear to have any function. Do I have an incorrect dealer gasket? |
that aint right. i'd be returning that 'dealer' gasket and show them a picture of it overhanging!!
|
The dealer gasket is # 12557236
|
Never seen an oem gasket like that... Ever. and that mighty thick at .05...
|
I found it on Summitt Racing, here is their link
https://www.summitracing.com/parts/nal-12557236 seems OK from the description... |
Make sure you use the washers with lube and lube or seal the threads on the bolts/studs.
|
It is not ideal to re-use the factory head bolts. Realistically, you will probably not have a problem, but if I was doing the job I would use new bolts. Just my $.02
|
Originally Posted by woodcrest
(Post 1598696546)
I found it on Summitt Racing, here is their link
https://www.summitracing.com/parts/nal-12557236 seems OK from the description... go to the dealer and have their parts guy look it up / order it (ie. Pay extra for it). be sure to ask if its NOS or if its some replacement p/n (ie. Bc the original has been discontinued). NOS is always preferred |
I went with ARP Bolts and factory gaskets.
|
If it's a stock rebuild, I'd go OEM head bolt and sell the ARP to recoup some cash. But I would never use the OEM bolts twice.
If you are high compression, or especially boosted, or any plans to crank up the power, drop in the ARP. |
All times are GMT -4. The time now is 03:44 AM. |
© 2024 MH Sub I, LLC dba Internet Brands