well replying all questions, yest it's the same s10 engine, mine came from a cherokee, some GM cars shared same engine, mine it's a carburated one but think that injected are better.

Rear fare felt down I'm trying to find the replacement.

Extra weight.... Don't know exaxtly but feal the sport more stable, don't know if is the new IRONMAN coils or have more weight.

the work: well i maintained same OEM radiator, all drivetrain inclusive the same transmission, just cut the bell housing and welded the GM one, also flywheel had to be modified.

To allign the fan with the radiator, had to put a 3 inches bodylift, I made it from metar pipes with roud metal stops using the rubber bushing original placed between chasis & cabin, the bolts has been changed completelly for a 7 inches due to original bolts are wedded to chasis making all difficult.

here are the pictures:

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