Turbo 6 Domestics allowed in Nopi......
10-03-2005, 02:54 PM
#41
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Just an update. After speaking with Nopi they are allowing domestics to run for the 06 and forward season....should open Nopi up to a whole new market. Now all we need is some cars out there.
10-03-2005, 03:16 PM
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I've heard the Chevy I-5 was a though away motor. After, about 150,000 miles they wear out and can't really be rebuilt. I also don't know if you can get around the VVT. I would think a destroked high rev. 4.3 with a turbo or juice would be a strong motor. Shoot you can buy an all alum. 4.3 out of the GMPP catologe.
Last edited by Devil's Due; 10-03-2005 at 03:16 PM. Reason: spelling
10-03-2005, 11:52 PM
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It is going to take some work to get into the mid 9's like Ari Yallon is. There have been some cars defecting from the Nopi series last year and this year. The turbo 6 class doesn't have a big payout so there isn't as much competition in that class either. I would expect a supra or 2 to start running that class soon though.
10-04-2005, 08:40 AM
#46
Yes, Jose. They made them in alluminum and cast iron. Big bore too if you want like 4.125 I think, running off memory here. Also you can get nice 18 degree heads from the genral, and Jessel makes offset shaft mounted system. You can make about 500-600na hp with one setup right. Just need a nice forged oddfire crank and the rest is SBC stuff. It would be good for 1200hp or better. Also there is the nice Poncho heads and intakes you can get for them.
10-04-2005, 04:40 PM
#48
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Originally Posted by JZ 97 SS 1500
Hmm didn't know GM made a factory race block for those engines. How much are they???
From Sallee Chevrolet's site...
This new and best-ever V6/90° aluminum block is improved to withstand the ever increasing power levels that today’s racing is imposing. This new design will accommodate 4.125” cylinder bores and 4.00” stroke crankshafts. This offers the flexibility to build engines ranging from 3.0-liters (180 cid) to more than 5.2-liters (320 cid). The block is designed for standard 2.45” diameter (350 cid small-block) main bearing inserts. The new block is cast from prime ingot A-356 aluminum and heat treated to T-6 specifications, providing an ultimate strength of 37,500 psi. The deck surface is .620” thick and the front and rear bulkheads are reinforced. The head bolt holes are blind-tapped to eliminate coolant leaks. The flared head bolt bosses can be drilled to full depth for full HO turbocharged applications. New four-bolt main bearing caps were designed for the block. They are machined from 4340 chrome-moly steel and their mating surfaces are precision ground. The oil system has been upgraded to provide trouble-free lubrication at high rpm. It features V8-style oiling with three oil galleries above the cam tunnel. There are no provisions for a mechanical fuel pump. Eliminating the fuel pump boss significantly improves coolant flow. These blocks weigh 74 lbs.
Aluminum Bow Tie Block. An aluminum block is an essential ingredient for a lightweight V6. This 356-T6 cast aluminum block is recommended for road racing and other applications where engine weight is a consideration. It is outfitted with centrifugally cast 4.00” diameter cylinder liners and billet steel four-bolt intermediate main bearing caps. These heavy-duty caps have angled outer bolts that add to the block’s bottom end strength.
Technical Notes: Aluminum blocks are designed for crankshafts with 2.45” diameter main bearing journals. All production V6/90° engine components can be installed in aluminum Bow Tie blocks. Block weight is 70 lbs.
Technical Notes: Aluminum blocks are designed for crankshafts with 2.45” diameter main bearing journals. All production V6/90° engine components can be installed in aluminum Bow Tie blocks. Block weight is 70 lbs.
They'll set you back about 3 to 5 bills depending on how good of friends you are w/ the GMPP guy.
10-04-2005, 04:54 PM
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Originally Posted by JZ 97 SS 1500
Awesome. I had no idea they had those blocks available. Man they are $$$ though for just the block.
Jose
Jose
TA Performance does make a V6 aluminum block geared toward the GN guys too. Might want to check w/ them about that.
http://www.taperformance.com/v6_aluminum_block.htm
10-04-2005, 04:56 PM
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Also, you might want to check w/ Jay Billingsley about those V6 blocks. I think they did one for a guy a couple years back in an s-dime. I believe it was on the can, but it's a start. 
10-04-2005, 11:23 PM
#52
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You can go 9's on a 109 Buick block in a full weight Turbo Regal with only one 70mm turbo and stock suspension, as in the TSM class rules. As long as you don't detonate, a 109 block can go far with a girdle or main caps.
