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Old 04-14-2008, 12:30 AM
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Recommendations for a blown 383

I am just about done putting together my engine.I could use some recommendations on inital settings ( jetting,spur gears,etc.)for it and what you think of the combo.Its going in a 1924 Model T C-Cab truck. About 2400 lbs. street driven steet rod and not a trailer queen with ocassional crazyness at car shows.

GM 4 bolt main block punched .040 over,Arp main studs,line honed,decked,lifter bores trued.

Forged Diamond pistons dished -27cc ,moly coated skirts,ceramic coated tops.

deck height .010

Cometic head gaskets .041 comp height, 4.165 bore dia

Arp pro series head bolts.

eagle esp 5.7 H beam rods with ARP L-19 bolts.

eagle 4340 forged std crank. 2 peice seal.

Clevite H series main and rod bearings

Dart Iron Eagle heads 72cc, 2.080 int/1.60 ex ,215 runners, ported and polished on ex side,.straight plug

Crane 118571 solid roller cam dur at .050 232int/240ex, lsa 112, advertised 286int/294 ex. .gross lift .525 int/.543 ex.

Jesel SS shaft rockers 1.65 ratio both int/ex.

Jesel SBC Belt drive.

BDS 6-71 no teflon strips, but recently redone by them. 3" belt

Blower hub

2 Holley 750 double pump, mec secondaries. not four cornered.

Holley black fuel pump 120 gph with mallory 4 port bypassing reg.

NOS blower nitrous plate with 16 nozzles and seperate fuel pump and reg

Msd 6al with MSD billet dist, mech advance and MSD Boost time master.

TH350 trans w/2500rpm stall.

Frankland quick change rear. 4.86 ring gear. no spur gears yet.

27.5 x 10.50 x 15 tires.

Any recommendations,Honest opinions,critizisims, or am I out of my mind welcomed for jetting.timing,gearing etc would be appreciated or any thing I be missing.

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Old 04-14-2008, 12:37 AM
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additional items

Static compression ration of 8.15 to 1.

running on 92 octane on 6 lbs boost on street

with change of boost press to 12 lbs max and higher octane fuel for exhibition use.
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Old 04-14-2008, 11:59 AM
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Blown 383

That thing is going to be an E ticket ride.I have a blown 350 in a 3400lb el camino making 7lbs of boost and its a handful.With your setup you shouldn't need more than a 3.73 ratio.That motor will probably push 700hp.
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