Fox Body LQ4/L92/T56 swap
01-05-2011, 09:27 AM
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Fox Body LQ4/L92/T56 swap A little background about me first... I’m 24 yrs old and currently deployed to Afghanistan. I have grown up around cars and racing my entire life. I decided I wanted to buy the GTM from Factory Five but realized that just wasn’t practical right now considering my budget and constant moving due to the military. My dad owns an auto salvage yard in Goose Creek, South Carolina and this is where i will resource most of my parts, odds and ends and whatever miscellaneous stuff I will need for this conversion. Now on to my plan, I have been reading as much info as I can about Gen III motors and think I have a pretty good grasp on what I want and need. I am going with a LQ4/L92 and T56 into an 87-93 fox body. I plan on running an Edelbrock Victor Jr. EFI manifold and throttle body, factory replacement forged pistons to maintain stock compression ratio for possible forced induction later down the road money permitting, and Manley forged h-beam rods. I have compiled a spread sheet of prices and parts for a complete setup. I’m trying to keep it under $10,000. If I have forgotten anything I may need, please let me know.
One question I did have about this setup, while reading the specs of the L92 heads, I read on gmperformanceparts that the max lift is .510 while the Thumpr cam I want to use is .573/.558 is this just a simple spring replacement to accommodate the higher lift or will the cam not function with the setup I have planned?
This will be a street car and weekend racer.
AJE Crossmembers for swap, motor and transmission 040-MU-3030K3 $1,009.99
Crossmember shipping $9.99
Motor Mounts 040-MU-30 $69.99
Fidanza 4.3 Clutch Kits FIZ-390573 $434.99
8.8" 4.56 Ring and Pinion M-4209-G456 $221.95
Rear Suspension Kit 1805A $419.95
Forged Connecting Rods 14031-8 $657.00
Wiseco Forged Pistons K398X7 $672.26
Edelbrock Victor Jr. EFI Intake Manifolds 28455 $379.95
Edelbrock 4-Barrel Throttle Body EDL-39783 $456.95
GM Performance L92 Cylinder Heads 12576063 $863.90
MSD Coil Kit MSD-82458 $645.95
Summit Racing Pro Street Fuel Cell SUM-290108 $169.95
Aeromotive A1000 Fuel Pump AEI-11101 $324.95
BBK Aluminum Fuel Rail Kit BBK-5018 $219.99
ARP Cylinder Head Stud Kit ARP-234-4317 $295.59
ARP Main Stud Kits ARP-234-5608 $226.95
MSD Ignition Controller 121-6012 $335.99
COMP Cams Thumpr Cam CCA-54-602-11 $396.95
COMP Cams Hydraulic Roller Lifters CCA-853-16 $464.95
COMP Cams Aluminum Rocker Arms CCA-19024-16 $459.95
COMP Cams Hi-Tech Pushrods CCA-7955-16 $134.95
One question I did have about this setup, while reading the specs of the L92 heads, I read on gmperformanceparts that the max lift is .510 while the Thumpr cam I want to use is .573/.558 is this just a simple spring replacement to accommodate the higher lift or will the cam not function with the setup I have planned?
This will be a street car and weekend racer.
AJE Crossmembers for swap, motor and transmission 040-MU-3030K3 $1,009.99
Crossmember shipping $9.99
Motor Mounts 040-MU-30 $69.99
Fidanza 4.3 Clutch Kits FIZ-390573 $434.99
8.8" 4.56 Ring and Pinion M-4209-G456 $221.95
Rear Suspension Kit 1805A $419.95
Forged Connecting Rods 14031-8 $657.00
Wiseco Forged Pistons K398X7 $672.26
Edelbrock Victor Jr. EFI Intake Manifolds 28455 $379.95
Edelbrock 4-Barrel Throttle Body EDL-39783 $456.95
GM Performance L92 Cylinder Heads 12576063 $863.90
MSD Coil Kit MSD-82458 $645.95
Summit Racing Pro Street Fuel Cell SUM-290108 $169.95
Aeromotive A1000 Fuel Pump AEI-11101 $324.95
BBK Aluminum Fuel Rail Kit BBK-5018 $219.99
ARP Cylinder Head Stud Kit ARP-234-4317 $295.59
ARP Main Stud Kits ARP-234-5608 $226.95
MSD Ignition Controller 121-6012 $335.99
COMP Cams Thumpr Cam CCA-54-602-11 $396.95
COMP Cams Hydraulic Roller Lifters CCA-853-16 $464.95
COMP Cams Aluminum Rocker Arms CCA-19024-16 $459.95
COMP Cams Hi-Tech Pushrods CCA-7955-16 $134.95
