Check my 383 combo..I need help
can you help me please in my first engine ??
I am planing to build a 383 stroker for my weekend ride (83 camaro)
here are the specs
chevy 350 block bored to 4.030
all forged rotating assy. with 6" rods
CR 11:1 approximately
Canfield aluminum 220cc
Victor Jr ( is there any benefit of using spacers )
HEI with MSD 6AL
Crower solid roller for nitrous # 00552
Advertised Duration: Intake 290°/ Exhaust 296°
Duration @ .050": Intake 254°/ Exhaust 262°
Lobe Lift: Intake .391"/ Exhaust .408"
Gross Lift(with 1.5 rocker arms): Intake .587"/ Exhaust .612"
LSA : 114º
intake centerline: ????:sweat: I don't know
is this a good combo ???
can I use pump gas with this CR??
can you estimate the horsepower & torque for me please?
Any comments are appreciated :)
Looks like a pretty nice combo to me, but I am no expert, wait and see what the real pro's say.
I do know that you will not be able to run pump gas at that C/R.
you are right the CR seems to be high
but I've calculated the DCR
it is very low = 7.92 :thumbup:(I assumed that the ILC=112° )
it was my fault to post it here
can anyone move this to the ENGINE forum :rolleyes:
What crank are you going to use? Are you going to use rollers? Heavy duty oil system? Timing gears or chain? Sump pan? Carb 650? Headers? What shape piston? 2400 Stall TC? 342 gears? Posi rear? Spacer helps.
Hope this helps.
I like Edelbrock carbs. I run the stock oil pump but a deep pan looks cool and requires a special oil pump pickup installed on the pump, available at Summit installed. The 2400 stall is sufficient. I don't use anything extra to seal the intake but the gasket and torque to specs. The cat crank for a 400sbc is inexpensive and I haven't had any problems with mine, will require a machine shop to setup the crank, rods for clearance and ballanceing the rotating assembly. If you haven't done it before have the engine/machine shop gap your rings and space the crank and rod brngs for proper clearance. Did you say your going to put juice/nos to the 383? You would have been better off using the stock 350, but thats just my opinion, your going to blow up your engine eventually so why waste all that money on a 383 just to have to do it all over again when it blows??
Rat Rods Rule!
I will use complete 4340 forged bottom end
with AFR210 or canfield220 or DART PRO 1 CNC
and ofcourse I will use a deep pan
I intend to spray 250 - 300 hp shot of nitrous :thumbup:
You will be able to run pump gas for sure with that combo. I have an 11:1 400 with iron heads, 234o of duration, and 36o total advance, it doesn't ping. I can only get 91 octane in my area too.
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