Stock Head Gaskets Question
Stock Head Gaskets Question I have basically a cam only engine with a rod bolts, springs and pushrods. I was running a t-76 turbo at 13-14lbs and i am now switching to a bigger turbo. My question is what hp will the stock head bolts and stock head gaskets hold til. I have never had the heads off. The car went 9.93 at elevation and i will be taking it to houston in march. I know the bottom end is limiting me but i would like to know how much the head bolts/gaskets are limiting me. The car made around 600 with the t-76 turbo.
I agree, the stock pistons normally give up before the head gaskets. Bob
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you are gonna need head studs and ls9 gaskets at minimum. I think on that lower end ~700 is suicide especially on long texas highway pulls
Last edited by AutomagicLS1; Feb 7, 2011 at 07:44 AM.
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Verdad Gallardo Honestly i will be happy if the bottom end last through tx2k11. But i just didn't want to go out there and blow a head gasket and it put me down for the weekend. Thats a long trip.
The part number for those LS9's is 12622033
my stock 5.3L w/ 317's reused head bolts and stock replacement one piece gaskets ran for 3 years with 15psi + 50hp shot of N2O made 640whp though a crappy streetfighter converter... Would still be running if it didnt spin a bearing.
To add to it, make sure your crankcase evac system is working well, there are a few purpose built catch cans out there that will pull vacuum on the motor both in and out of boost, I think mine was $130 and its got built in baffels and check valves. pushing that kind of power through a stock bottom could cause a LOT of blowby and getting it vented can be crucial.
