Who's had experience with SB400's and Gen III^ engines?
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Supreme Member
Joined: Oct 2000
Posts: 3,167
Likes: 781
From: Park City, UT
Car: '92 Corvette, '89 1/2-a-'Vette
Engine: LT1, L400
Transmission: ZF6, T5
Axle/Gears: 3.45, 3.31
Who's had experience with SB400's and Gen III^ engines?
Which would you recommend over the other and why?
I HAVE a 509 casting 400 block that I had planned on putting together to put in my car. I had a 400 before in my last Trans Am and LOVED it for it's wicked torque, throttle response, and demeanor. It suited me. MY GF (At the time didn't like it b/c it "gave her whiplash". That was great, IMO.
I have an opportunity to buy a 6.0 truck motor complete w/all accessories, harness, and ECM, 114k for $800.
Now I have gone and given myself a dilema...
I HAVE a 509 casting 400 block that I had planned on putting together to put in my car. I had a 400 before in my last Trans Am and LOVED it for it's wicked torque, throttle response, and demeanor. It suited me. MY GF (At the time didn't like it b/c it "gave her whiplash". That was great, IMO.
I have an opportunity to buy a 6.0 truck motor complete w/all accessories, harness, and ECM, 114k for $800.
Now I have gone and given myself a dilema...
Joined: Jun 2000
Posts: 5,364
Likes: 51
From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: Who's had experience with SB400's and Gen III^ engines?
Get the LQ4, no brainer.
I wish someone here would sell one for that kind of money
I wish someone here would sell one for that kind of money
.... 
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
SBC 400, BBC 401 (.030"-over 396) here.
No contest. LQ4.
No contest. LQ4.
Joined: Dec 2005
Posts: 6,499
Likes: 31
From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: Who's had experience with SB400's and Gen III^ engines?
Id probalby rather have the 400, but that's just because I could keep my T56 and exhaust setup... less conversion headaches. But I probably wouldnt do it with a factory 400 block.
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From: Birmingham, Alabama!!!
Car: 1988 Iroc-Z
Engine: 350 TPI; Stock internals
Transmission: 700r4; TCI-CPVB; BW Hi-Frition
Axle/Gears: 4th gen 7.5 w/ 3:42 gear
Re: Who's had experience with SB400's and Gen III^ engines?
6.0 engine... U can get ALOT more bang for ur buck
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