4 Bolt Main 383 block
10-15-2008, 09:10 PM
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Car: Used to drive a camaro
4 Bolt Main 383 block
I have the block from this seasons engine up for sale. 4 bolt mains, clearanced for a 383 rotating assembly (5.7" Rods, 3.75" stroke). 1 Piece rear seal, 4.030 bores. Block is in good condition and has 3 coats of POR-15 Chevy Orange on it. 500 bux obo I'm in Enfield, CT
10-16-2008, 08:52 AM
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Car: '88 Iroc-Z z28 Camaro
Engine: Carb 355
Transmission: t5 5-speed
Axle/Gears: 4.11
Re: 4 Bolt Main 383 block
anything wrong with the block? cracked or anything? does it come jus as the block?
10-16-2008, 11:02 AM
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Re: 4 Bolt Main 383 block
The block is fine and came out of my car about 2 weeks ago. I'm building a different combo. The block, the mains, and the main cap bolts are what are being sold. The block has cam bearings and freeze plugs in it still.
10-22-2008, 12:29 PM
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Car: 86 z28
Engine: 355 113 heads ported HSR hot cam
Transmission: th350
Axle/Gears: 7.5 342
Re: 4 Bolt Main 383 block
whats been done to it is decked. how many miles was it run for..thanks.
10-22-2008, 12:40 PM
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Re: 4 Bolt Main 383 block
I ran it for 1200 miles before the end of the season. I have all the block specs for the machine work done. The deck height I believe is 9.25" I'll confirm.
Typical 383 prep work: 4.030 bore, align bored with deck plates installed. I have all the receipts to show what was done. This would make a strong **** 350 or 383. I was running a 5.7 rod / 3.75 stroke assembly in it fine.
Typical 383 prep work: 4.030 bore, align bored with deck plates installed. I have all the receipts to show what was done. This would make a strong **** 350 or 383. I was running a 5.7 rod / 3.75 stroke assembly in it fine.
Last edited by AC; 10-22-2008 at 12:45 PM.
10-22-2008, 04:30 PM
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Re: 4 Bolt Main 383 block
Deck height is 9.025", bores are 4.030" and still PERFECT. I don't know if I'd even hone them. The block was aligned honed and when bored had torque plates installed. Cam bearings are still in, so are main bearings. All main caps are included with the bolts. I can take hi-res pictures of anything needed. The block was painted with POR-15 Chevy Orange Engine Paint (3 coats).
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11-02-2008, 08:12 AM
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Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: 4 Bolt Main 383 block
Is the block still for sale, and is it a hydraulic roller block?
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