At the present time I’m only at 10 pounds of boost and it gives 667 RWHP which is near 800HP to the engine. I am pleased with the results but if I feel the need for more power I will change the pulley to a 3 ¼” which is going to give around 850 RWHP (1000 HP) of strength to the engine.
Car modifications build sheet:
-Pulley 3¾ and ATI 17% Overdrive Balancer
-10 PSI of boost
-Tensioner upgrade
-148m t-body
-80lb injectors
-Headers ARH no cat Ceramic coated
-Wot Box
-Paramount tranny and drive shaft
-Flexplate, 2800 torque converter
-Block – Billet main caps, ARP main and head studs used. Bored to 4.064″ Dia.
-Crank – Callies 4.050 stroke
-Bearings – mains were ACL H type and rods are Clevite H type. Set for 0.0021 to 0.0025 clearance on the mains and 0.002-0.0024 clearance on the rods
-Rods – Crower 93 series billet rods – 6 weight
-Pistons – CP custom for 9.25 compression with stock gasket with Phuzion gasket will yield 9.0, used with 9310 alloy wrist pins and steel gas nitrided top ring and napier second. 1.2/1.2/3.0 thickness gapped for 0.028 top and 0.032 second. Fit with 0.005″ clearance in block
-Cam – Custom turbo grind – 230/238 duration with 114 LSA. 0.556/0.556 lift
-Heads – Big chamber with, PAC springs
-Pushrods – Trend 6.7/7.9
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