This is what happens when you have extra engines - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-25-2007, 07:53 PM   #31
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Guys, it HARD BLOCKED, VERY LITTLE TO NO WATER PASSAGE, depends on how long we want the block to last.


W only get 60-70 runs out of a block anyhow.......which is PLENTY



On out small block SB2.2 stuff, our cylinder walls are routinly 0.185 thick, and that is with a full water jacket and no hard block.
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Old 10-25-2007, 09:56 PM   #32
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sorry, missed the hard block part man if you put in a 4.2L stroker kit you could get some good displacement. Close to 265 cubic inches I think.
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Old 10-25-2007, 11:32 PM   #33
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i like to see the MINOR port job on those heads and how do you get that much compression is this whit dome piston or from stroking
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Old 10-25-2007, 11:43 PM   #34
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MOSTLY, it is from reducing the chamber volume down to 36-46cc and useing a VERY small dome to bring the compression up.


In the past (10 years ago) we would just run a LARGE dome to make up the compresson but we have found that we can make more power with a small chamber and a slightly domed piston due to better flame travel.

The smaller combustion chambers also help in the pressure recovery of the cylinder.
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Old 10-26-2007, 12:25 AM   #35
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Quote:
Originally Posted by roadtech195
sorry, missed the hard block part man if you put in a 4.2L stroker kit you could get some good displacement. Close to 265 cubic inches I think.
it'* a bit of work but you can take a rough machined TA perf 4.0 bore block and machine the 60* bellhousing etc on and end up with a 5.2L Talldeck 3800...

thank god you can weld alloy blocks easier than iron....
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Old 10-26-2007, 12:27 PM   #36
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weve alway used reworked stock blocks, never heard of TA Performance.

I take it that their block is for series 2???
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Old 10-26-2007, 04:13 PM   #37
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It looks like they only offer blocks and parts for the turbo 3.8L for GN'*
Speedster, do you have any pics of your engine work? I am highly interested in anything you do to a L36.
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Old 10-26-2007, 05:09 PM   #38
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I would be impressed to see any n/a 90* gm v6 build pics.
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Old 10-27-2007, 03:04 AM   #39
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Quote:
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I would be impressed to see any n/a 90* gm v6 build pics.
If you got some spare time brother, come to Memphis. We can use my car as a guinea pig
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