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Old 04-27-2017, 10:51 PM   #14
AmorAutosport
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Join Date: Mar 2017
Drives: 2015 FRS
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Here is the engine. It's a 6.2 L92 from a chevy truck. The cylinder head and block castings are identical to the LS3, the main differences are a VVT cam & heavier valves, and intake manifold designed to suite a truck. Seeing as all the internals are being thrown away it was the better choice for what I am looking to build. The engine build will be similar to a stock car engine, featuring a destroked crank and long rod, with high compression pistons, and a large cam. This will allow the engine to rev up to ~8,200 rpm safely while decreasing thrust wear and minimizing friction. Another benifit is this should make for a nice linear powerband without a large burst of low end torque which would make the car more difficult to drive. Paired with nitrous the engine should make enough HP NA to keep up down the straight with the turbo cars and still be relatively lightweight and maintain a great powerband for a road coarse or hillcimb.

TSS Fab is supplying us with their Tubular front crossmember to remove some of the front end weight we've added using this engine. Ontop of that we are also pushing the engine 50mm past the firewall (per WTAC rules) to help with weight distribution.

I also forgot to mention something in my last post. I want to supply the readers of this thread with as much information as I can on what I am doing. While installing the front wisefab kit & AP Racing BBK I compared every piece's weight to its OEM counterpart.

Wisefab knuckle w/ hub ---- oem knuckle w/hub - (-7.4lbs)
Wisefab front LCA ---- oem LCA (-2.4lbs)
AP Racing 4 piston rotor, front ---- oem rotor (+1lb)
AP Racing 4 piston caliper, front ---- oem caliper (-6.5lbs)

To sum that up that's a loss of 15lbs off each corner in the front of UNSPRUNG weight, that's massive!
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