If you do, just stick with the GenIII and newer motors. The early Gen I and II are of no comparison to ease of wrenching, swapping, and insane power levels.

I have a single GT67 turbo on my 5.3 @ 15psi with a good cam, 4k stall, ported 6.0L heads (317 cast), etc, etc. The power in nothing less than shocking in a pickup truck. My pal knocked 0.5 off his ET with a mild cam and an underdrive pulley... the gains are just massive.

Just know that even a stock alu 5.7 on stock 241 heads are known to lay out near 300rwhp and over it with a simple air intake and rear muffler upgrade. Keep this in mind for the R107s as MOST have the small R&P in the diff.

A good, low buck swap could be the truck 5.3s as they can make over 300rw with a good cam and all boltons, even more with better heads.

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'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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