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#1 |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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TBI 5.7L retro into ’72 questions
A while back I fell into a real good deal on a wrecked 85,000 mile 1990 G-Van with a TBI 5.7L and 4L60 that I couldn’t pass up. I figured I would toss this contraption into my old beater truck to give it some modern amenities such as EFI and OD. I didn’t plan on doing the actual engine swap until Christmas break but I advertized the 350/Th350 from the ’72 on CL and it sold tonight and I have to yank it out this weekend. So, it looks like I will be dropping the new engine and trans in much sooner than expected. Now I have play money to buy a TBI harness too!
![]() My question is what are you all doing for a fuel pump to run TBI? Does anybody make a fuel sending unit with in-tank fuel pump provision for the in-cab fuel tank yet? If not, I don’t mind using a frame mounted pump on this truck even though the frame mounted pump on my ’78 with the 8.1L isn’t working so well. Any suggestions on a decent frame mounted pump for TBI? Also, I saw something awhile back for a speed sensor in the trans that also runs an electric motor for the speedo cable. I searched but couldn’t find the thread. Who makes that gizmo? Does the TH350 shifter linkage at the trans work on a 4L60 (700R4)? New powertrain after a hot bath, fresh paint, tune up parts, etc. ![]() ![]() ![]() ![]()
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Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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