The tentative plan is to do the swap in my 88 gt clone that is currently a 4cyl125c. 3035 cold air induction.
Engine Conversion Info Fiero Brakes Fiero Performance
Ls4 fiero swap kit. Modification to your sub frame is required. It will bolt directly to the 4 speed and 5 speed transmissions. This swap is mo. 46 cadillac conversion northstar 300hp. These days fieros have a small but loyal following and many of the devout are committed to improving their cars. While there are v8 conversion kits youtube user welditrick went for the full monty.
Power steering came from a 2000 camaro ss. Adapting the new lsx based engines into the fiero was a much larger challenge than even i imagined. In all aluminum v8 with the high performance heads. These 4 mounts are designed to install an ls4 engine and transmission into your 1984 1988 fiero. Although the bellhousing bolt pattern on the lsx engine is similar to the sbc engines nothing else on the new engine was the same. Leon is installing the powertrain using parts from archie lsx swap kit and will use the.
The engine will feature a holley sniper intake and terminator efi 102 mm throttle body upgraded camshaft two turbosmart wastegates and large turbocharger. A couple of weeks ago i picked up two ls4 dropouts. I found these videos showing off a nice 1988 pontiac fiero with a ls4 swap. This engine has weight saving aluminum heads. So i have decided that the one from the 07 impala ss will be an automatic swap. A few ground rules for the swap.
What it takes 34 dtc. 28l v6 5 speed manual. The seats are from a neon srt4. The interior was swapped out of a 2008 chevy malibu. Fuel pump kit swap conversion part 3800 ls1 ls2 ls3 ls4 ls6 ls7 ls9 in fiero sandrail mantacar kitcar 325hp rated. In tank fuel pump rated to 325hp please note the below fuel pump is additional hp if needed.
Leon thurston from leons garage adventures is building a pontiac fiero with a turbocharged ls3 v8. 1987 pontiac fiero ls4 v8 dod 4t65 e tapshift. This kit is even more extensive than the v 8 conversion kits weve been producing in the past. The ls4 came out of a monte carlo ss. This ls4 engine is 5328cc. Brakes are from a c4 corvette.
2005 pontiac grand prix gxp. This engine is a very logical replacement for the factory fiero engine. Transmission mounting brackets are bolt in. I was looking for one to start another ls4f40 swap but i was able to work a good deal on both. Gxp bcm and dic installed to retain factory remote start keyless entry alarm and pk3 system. Welding is required for installing the 2 front engine brackets.
Back working on ls4 installed new timing chain tensioner assembled painted parts mock up of modified sbc water pump from 43 swap on the ls4 sbc harmonic balancer comparison pictures of 13 brake kit brackets and rings and rotors longer flywheel bolts flywheel installation with some overall dimensions spec stage 4 clutch. He swapped in the whole ls4 engine setup axles included and according to his comments on the video the swap was pretty straight forward.
Gallery of Ls4 Fiero Swap Kit
