80's Chevy-Cummins Help please! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 06-01-2011, 02:53 AM Thread Starter
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80's Chevy-Cummins Help please!

So I have a 88 Chevy (old body style) crew cab flat bed dually that i have put a 93 cummins in and I'm not happy with the Getrag 5 sp that i have in it now. My dream for it always has been to put a 6 speed in it, now I'm wondering what my options are for transmissions that i can bolt a np205 or other strong right side transfer case too.

Also it does not get enough fuel to the IP and i was wondering what size FASS i should get for it, or something else that is just as good? My max goal is about 450 RWHP for the truck. the biggest thing is mileage, but the i have the diesel bug so I'll make sure it runs real good! lol Does anyone have experience with DDP injectors for that motor?
Thanks in advance!

88 Chevy (old body style) Project truck that got a Cummins
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post #2 of 2 (permalink) Old 06-02-2011, 01:13 AM
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Well I'm not sure on transmissions, but for Fass you would want either the HD(old 150 series) 95gpm or 150gpm. If you get the 95gpm and you want more it can be upgraded to the 150gpm.

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