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Old 09-07-2012, 01:04 PM
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Landshark928 Landshark928 is offline
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Dynosim help and Engine Build Review

Anychance someone can run the numbers for me if you have time and are bored.

Killed my 434SBC and I'm replacing it with a 421". Hoping the shorter stroke likes the high rpms better. Feel free to let me know if there is anything I can improve for easy HP or to make it safer. Looking at 150-200 shot of nitrous very occassionally, mostly NA use at higher rpm Road Race and Drifting. Shifted around 7200rpms with the 434". Short block is already assembled.

Dart Little M Block 4.155" bore
Callies Dragon Slayer 3.875 " Stroke
Howards 6" H-beams
Probe forged pistons 17cc dish.
Pistons are 0.003" out of deck.
Felpro 1004 Gasket for .038" Quench
220 Airwolf Heads milled to 63cc Chambers for 10.75:1 SCR and 8.49:1 DCR
Ported Hurricane Plus intake, gasket matched to 1206 and plenum work.
Powerjection III Fuel Injection TB is rated at 950cfm. 4 x 100# injectors
Lunati Voodoo Solid Roller 0.633/.643", 247/253* @ 0.050", 0.016" Lash(Adjusted already for 1.65 Rockers)
1.65 Scorpion Rockers with Scorpion Stud Girdle
Scorpion 3/8" .120" Pushrods
SFI balancer and SFI 16# Flywheel
HEI and MSD. Fuel Injection has spark control.

In a 5 speed car that weighs a little under 3000# with me, fuel and a box of jelly doughnuts.

Thanks for any help!
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