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should i keep the L98 2 bolt main block or just go for a 4 bolt...?

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Old 08-30-2003 | 10:08 PM
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camaro 670087's Avatar
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should i keep the L98 2 bolt main block or just go for a 4 bolt...?

well i have had in the works a project of which i am trying to decide on my engine.

i was wondering if my L98 2 bolt main block would be capable of withstanding up to 20 PSI? i have heads, cam, fuel system, and a balanced rotating assembly set up to work with what i want to do. this **** is getting expensive and i was wondering if i could use my 2 bolt block to save money instead of going out and buying another 4 bolt block then pulling mine and doing all this other stuff. so heres my question again...
Will my L98 2 bolt main block be capable of withstanding up to 20 PSI?
Old 08-31-2003 | 07:47 AM
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From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Not sure if the 2 bolt can handle it but you do have the option of taking your 2 bolt in to the shop and having giving it a 4 bolt splay. This'll actually make it stronger than a 4 bolt.
Old 08-31-2003 | 09:44 AM
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ive heard of doin that, do you know around how much that may cost?
Old 08-31-2003 | 12:09 PM
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From: St. Louis, MO
Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
I'd have to agree.... a splayed 4 bolt block with kill a regular stock 4 botl block anyday. As for a price, I'm not sure... I'm looking into this right now!
Old 08-31-2003 | 05:45 PM
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Transmission: 700R4/T-56
I've heard it's around $100. Not sure though.
Old 08-31-2003 | 07:14 PM
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camaro 670087's Avatar
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another question...are the L98 engines a 2 piece or 1 piece rear seal?
Old 09-01-2003 | 12:16 AM
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Car: '91 GTA
Engine: 402ci LS2
Transmission: faceplated T56
Axle/Gears: 9" w/ 4.11's
L98s are 1 piece rear main seal....
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