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

LT1 bolt sizes....

Old Dec 20, 2010 | 08:24 PM
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Default LT1 bolt sizes....

During my Head gasket replacement, I lost TWO oil dipstick tube bolts.... Does any one know what length and thread pitch the oil dipstick bolt is???
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Old Dec 20, 2010 | 08:28 PM
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Originally Posted by SpeedFreak123
During my Head gasket replacement failure, I lost TWO oil dipstick tube bolts.... Does any one know what length and thread pitch the oil dipstick bolt is???
Off the top of my head, it's typical 1/4"X20. Probably about 1/2" in length will work fine.
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Old Dec 20, 2010 | 08:57 PM
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Originally Posted by RamAir95TA
Off the top of my head, it's typical 1/4"X20. Probably about 1/2" in length will work fine.
Home depot should have them right?
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Old Dec 20, 2010 | 09:02 PM
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1/4" x 20 bolts can be had anywhere. Home Depot, any hardware store, etc.
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Old Dec 20, 2010 | 09:13 PM
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Originally Posted by RamAir95TA
1/4" x 20 bolts can be had anywhere. Home Depot, any hardware store, etc.
What about the fuel rail bolts?
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Old Dec 20, 2010 | 09:21 PM
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M6 x 1 x 35 for 94+ manifolds.
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Old Dec 20, 2010 | 09:25 PM
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Originally Posted by RamAir95TA
M6 x 1 x 35 for 94+ manifolds.
too many numbers. im confused.
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Old Dec 20, 2010 | 09:29 PM
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Old Dec 20, 2010 | 09:50 PM
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Originally Posted by RamAir95TA
What numbers do i show the guy at home depot to get the bolts?
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Old Dec 20, 2010 | 09:58 PM
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LMAO @ RamAir To OP Just type those numbers into your phone or write it down, I'm sure there will be enough dumbasses up at Home Depot to figure it out. Sometimes I think my mentally retarded uncle could be employee of the month at places like Home Depot and Lowes...
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Old Dec 20, 2010 | 11:22 PM
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It's a 1/4-20 bolt, half an inch long. I believe the original has a 3/8 hex head, not a 7/16 head as a hardware bolt will. This larger head may make it's installation difficult.

If I had to do this, I'd try to get a Allen head bolt, it'll take a 3/16 hex drive and have a smaller diameter head. I know it's tight down there.
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Old Dec 20, 2010 | 11:46 PM
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home depot wont have the bolts for the fuel rails, i had to go to menards
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Old Dec 21, 2010 | 12:11 AM
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Originally Posted by BlackBird87
home depot wont have the bolts for the fuel rails, i had to go to menards
Menards?
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Old Dec 21, 2010 | 03:27 AM
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Originally Posted by SpeedFreak123
What numbers do i show the guy at home depot to get the bolts?
Seriously? Are the people of this generation so lazy they cannot look up information on their own?

Geezus...

You now going to ask how that was done?
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Old Dec 22, 2010 | 08:35 AM
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i used a 7/16-14 bolt for the dipstick because I do not believe the stock bolt is strong enough. But I drilled too far into the block and now I had to fill my block all the way to the head studs to keep it from leaking. That dipstick tube ain't goin ******* nowhere... where you goin? nowhere...
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