O.K. guys is there any real reason to not use the 5.3 engine to swap into an 88-94 FSC?
I would prefer the LS1 but, I can purchase the 5.3 complete for considerably less money.
Keep in mind I know that "there is no replacement for displacement" and I agree so, give me anyother logical and legit reasons not to use the 5.3.
1990 SWB 2000 5.3l 4l60e
It's in just tieing up the loose ends.
no, still a great swap and you can use ls1/6 parts to up the performance if you wish. Its just like swapping an LS1 into it.
91 s10 - bagged and bodydropped...getting rebuilt
91 nissan - backhalfed and bagged
The 5.7 is lighter and has higher compresson. Hay Hauler's gas milage went up after his swap from a 5.3 to a 5.7 with no other changes. Do what ever works for you.
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
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