LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Head Studs vs. Head bolts

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Old Feb 20, 2011 | 09:28 PM
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Default Head Studs vs. Head bolts

whats the difference between head studs and head bolts?

I have head bolts now on my H/C/I lt1. I will be putting my new 383 in my car in a few weeks and need to know if i need head studs? i will be using stock cast LE heads and be running about 15lbs of boost.

does anyone know the P/N on LT1 studs?
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Old Feb 20, 2011 | 09:39 PM
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If running boost why not run studs... they're cheap insurance for your head gaskets. What CR are you going to be running. IF running a relatively high CR def get studs.

Oh studs allow a more precise torque measurement for the head, and also stretch less.
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Old Feb 20, 2011 | 09:43 PM
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9:1...
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Old Feb 20, 2011 | 09:44 PM
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Run studs.... BTW if you don't mind what cam will you be running?
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Old Feb 20, 2011 | 09:48 PM
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LE 224 or 226 236 114lsa

cant remember exactly, its on the way.
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Old Feb 20, 2011 | 09:49 PM
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anyone got a write up or some good directions on how to install them? i have heard a lot of had things happening when installing them. and a P/N
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Old Feb 20, 2011 | 10:28 PM
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This may be a stupid question but, can you remove the studs without removing the heads?
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Old Feb 20, 2011 | 10:30 PM
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You can but you would get your water and oil all mixed up.
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Old Feb 20, 2011 | 10:41 PM
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The reason I ask I wouldn't want to have to pull the motor to change head gaskets. I know there is no way we would have clearance to pull the heads with studs in place!
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Old Feb 20, 2011 | 10:44 PM
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I'd pull the motor anyway. It's a pain pulling the heads while it's in there
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Old Feb 20, 2011 | 10:46 PM
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Originally Posted by jasonz28camaro
I'd pull the motor anyway. It's a pain pulling the heads while it's in there
good advice^^
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Old Feb 20, 2011 | 11:57 PM
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If ya have a lift its a fast job to drop the engine,
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Old Feb 23, 2011 | 07:49 PM
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Even without a lift its easy with a good jack
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Old Feb 23, 2011 | 08:34 PM
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you can R&R the heads in car with studs
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Old Feb 23, 2011 | 09:46 PM
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its ok im going to buy the head studs.

the guy at Jegs said the SBC head studs are the ones i need. any comments.

SB-Chevy, OEM Cast Iron and Aluminum Chevrolet
Part Number: 070-134-4001

?????????
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Old Feb 23, 2011 | 10:32 PM
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sounds right to me, I have different ones for my afr heads
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Old Feb 23, 2011 | 10:33 PM
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Mine are just stock cast le heads.
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Old Feb 24, 2011 | 08:16 AM
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Originally Posted by jasonz28camaro
whats the difference between head studs and head bolts?

I have head bolts now on my H/C/I lt1. I will be putting my new 383 in my car in a few weeks and need to know if i need head studs? i will be using stock cast LE heads and be running about 15lbs of boost.

does anyone know the P/N on LT1 studs?
studs are definatly a good choice for you..........heres the deal on studs vs. bolts......

first off its easier for a race engine builder to build a motor with studs than bolts.....its just pain out faster to assemble........but more importantly, when you torque a bolt down its encountering two forces a rotational stress from torquing the bolt tight and a vertical axis sretch from the bolt being pulled apart......the roatational stress can skew the proper torque reading.....when we use a stud....the bolt is encountering only a vertical axis stress there fore alowing the bolt to be torqed down more properly and therefore prevents any lifting and shifting of the cyl head better than a bolt........

Originally Posted by jasonz28camaro
anyone got a write up or some good directions on how to install them? i have heard a lot of had things happening when installing them. and a P/N
to install its simple.......first off use some kind of sealant on the threads that go into the block....all of our bolts go into the water jacket....put a small dab of black silicone on the threads that go into the block and thread them in HAND TIGHT...DO NOT OVER TIGHTEN THEM INTO THE BLOCK!! next pop ur heads and gaskets on and then tighten them down in the proper sequence and be SURE to use the ARP Ultra Torq Lube on the washers and nuts on the top of the head........

Originally Posted by BigD383lt1
This may be a stupid question but, can you remove the studs without removing the heads?
absolutly.......just get the allen wrench that fits into the top of the stud and back them out of the block......

Originally Posted by jasonz28camaro
You can but you would get your water and oil all mixed up.
huh????

Originally Posted by BigD383lt1
The reason I ask I wouldn't want to have to pull the motor to change head gaskets. I know there is no way we would have clearance to pull the heads with studs in place!
yep with a power brake booster and an heater box in the way it cant happen I've tried it lol.........gotta do it the way i do........put the heads on and then thread the studs in though the heads......just make sure you dont over seal the bottom threads and end up with rtv oozing out onto the head surface.....

Originally Posted by jasonz28camaro


its ok im going to buy the head studs.

the guy at Jegs said the SBC head studs are the ones i need. any comments.

SB-Chevy, OEM Cast Iron and Aluminum Chevrolet
Part Number: 070-134-4001

?????????
yep those are the ones.........im running the same ones......

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Old Feb 24, 2011 | 08:21 AM
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you just hand tighten the studs? thats all before you put the heads on?

Ive seen videos where people use two bolts on the stud to tighten the stud down good.
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Old Feb 24, 2011 | 10:01 AM
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Originally Posted by jasonz28camaro
you just hand tighten the studs? thats all before you put the heads on?

Ive seen videos where people use two bolts on the stud to tighten the stud down good.
NOOOOOO!!!!!!!!!! DONT DO THAT!!!! lol ................hand tight only DO NOT overtighten them into the block............call arp if u want they'll tell u the same thing i am...........
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