Engine Enhanced Performance 4.2L
oldcj7guy
Jeeper
Does anyone source an enhanced performance AMC 258 i6 / 4.2l , similar to Titan stroker engine for the TJ 4.0?
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Engine Enhanced Performance 4.2L
- Thread starter oldcj7guy
- Start date
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- Tags
- 4.2l drivetrain performance upgrade
Manic Mechanic
Full Time Jeeper
- Posts
- 1,880
- Media
- 34
- Solutions
- 10
- Thanks
- 499
- Location
- Thurmont MD
- Vehicle(s)
- 85 CJ7 4.2L 258 .040 over, T-5 trans, dana 300, dana 30 front 3.23 and lock right locker, rear amc 20 3.23 one piece axle shafts traclock
79 CJ7 304, th400 auto borgwarner 1389?? qudratrac stock rest unknown.
89 YJ 4.2L 258, AX-15 5spd, NP231, dana 30 front, dana 35 rear with posi, gears unknown
92 YJ 4.0, AX-15 5spd, np231, dana 30 front, dana 35 rear.
I would assume anyone who wants enhanced performance from the AMC 258 i6 / 4.2l either uses a 4.0 or a V8. The AMC 258 i6 / 4.2l is basically a glorified tractor motor.
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