Choice of two engines help/opinion
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Car: 1986 IROC Z
Engine: 383/D1SC
Transmission: TH 700R4 or TH 7004R
Axle/Gears: Moser 9" 370:1
Choice of two engines help/opinion
I have a D1SC intercooled SC, AFR 195, 75cc combustion chamber, Walbro 225, FMU, Magnafuel boost referrenced regulator, 230/236 113 cam, BS3 computer. (That maybe bad for me 'cause there is no help.) in a 1986 IROC Z that will be mostly driven on the street, maybe to the track once or twice. There are two engine choices for the same money
Block 1 is a 383 built for a SC.
Block: GM 1 pc roller cam block, thermally cleaned and Stainless Steel Shot. Inspected by MPI process. Decked, bored, honed with torque-plates and pressure washed. Durabond cam bearings and pioneer brass freeze plugs installed. 4-bolt main caps with ARP main studs.
Block is O-ringed.
Crank: Eagle 4340 Forged Steel, internal balanced front and rear
Rods: Eagle forged 4340 H-beam, 5.7” length, floating pin
Pistons: SRP forged blower pistons
Rings: Mahle Plasma rings
Bearings: ACL H-series Main and Rod Bearings
Core Plugs: Brass Pioneer core plugs
********************************************
Block 2 is a 396
Block: GM 1 pc roller cam block, thermally cleaned and Stainless Steel Shot. Inspected by MPI process. Decked, bored, honed with torque-plates and pressure washed. Durabond cam bearings and pioneer brass freeze plugs installed. 4-bolt main caps and ARP main studs.
Crank: Eagle 4340 forged steel, internal balanced front and rear
Rods: Eagle forged 4340 H-beam, 6” length, floating pin.
Pistons: Mahle forged piston with anti-friction coating
Rings: Mahle Plasma rings
Bearings: ACL H-series Main and Rod Bearings
Core Plugs: Brass Pioneer core plugs
Main Studs: ARP performance main studs
Any thoughts?
Thanks,
Steve King
Block 1 is a 383 built for a SC.
Block: GM 1 pc roller cam block, thermally cleaned and Stainless Steel Shot. Inspected by MPI process. Decked, bored, honed with torque-plates and pressure washed. Durabond cam bearings and pioneer brass freeze plugs installed. 4-bolt main caps with ARP main studs.
Block is O-ringed.
Crank: Eagle 4340 Forged Steel, internal balanced front and rear
Rods: Eagle forged 4340 H-beam, 5.7” length, floating pin
Pistons: SRP forged blower pistons
Rings: Mahle Plasma rings
Bearings: ACL H-series Main and Rod Bearings
Core Plugs: Brass Pioneer core plugs
********************************************
Block 2 is a 396
Block: GM 1 pc roller cam block, thermally cleaned and Stainless Steel Shot. Inspected by MPI process. Decked, bored, honed with torque-plates and pressure washed. Durabond cam bearings and pioneer brass freeze plugs installed. 4-bolt main caps and ARP main studs.
Crank: Eagle 4340 forged steel, internal balanced front and rear
Rods: Eagle forged 4340 H-beam, 6” length, floating pin.
Pistons: Mahle forged piston with anti-friction coating
Rings: Mahle Plasma rings
Bearings: ACL H-series Main and Rod Bearings
Core Plugs: Brass Pioneer core plugs
Main Studs: ARP performance main studs
Any thoughts?
Thanks,
Steve King
Last edited by spkx714; 10-01-2010 at 11:39 AM. Reason: spelling
#2
Junior Member
Thread Starter
Join Date: Oct 2005
Location: Lake Zurich, IL
Posts: 92
Likes: 0
Received 0 Likes
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0 Posts
Car: 1986 IROC Z
Engine: 383/D1SC
Transmission: TH 700R4 or TH 7004R
Axle/Gears: Moser 9" 370:1
Re: Choice of two engines help/opinion
Nodody thinks one is better?
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