ls1 t/b will fit. a 5.3 t/b will fit
you can make any header fit any truck. just might need more fab work.
in my 1st case, my friend gave me his edlebrock victor ls1 headers for free, becuase they were really really beat up. the collector was trash. anyway, it was for fitment anyway and in the 87 truck the passengerside went in almost un modded, a simple dent of a tube and a little trimming of the inner frame rail ( >.4"). the drivers side was almost a perfect fit with the exception of the #4 tube. closetst to the firewall. look at my Putfile - Welcome to my homepage! files. you will see what i am talking about. once i cut that one bend off... its a really really crazy bend that fits ls1s but it hits the control arm of the truck. anyway after spending about 5 minutes cutting and tacking, i was able to re route that tube. now that that was solved, the collector needed to be straghtned out. out of the box, its pointed to the drivers side door, a quick chop and weld its strait again. i think it woulda posed a problem with the shift linkage but i didnt get that far with those headers. i ordered pacesetters and made them fit.
they required a lot of denting on the drivers side. the ls1 headers sat flush with the frame rail, and the pacesetters passengerside sat flush- exact same as the ls1 pass. side but the drivers pointed down a tad. no biggie since it allowed full travel of park to 1st.
clint
1987 5.3 4l60e Silverado - daily driver with A/C,P/W,P/L,TILT and HID projectors - also for sale @ $8,500
A poor man buy's it twice
89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears
Originally Posted by modular93fox
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