i think im going to do it

How to make it go fast

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i think im going to do it

Postby bradshaw106 » Sun May 18, 2008 3:53 am

i have been talking to a guy on another site, about putting a 12cm housing on my truck even though its an auto. he say it will be fine until i install bigger injectors. right now my truck is stock and she is a dog off the line. i was waiting until i got some gauges before i turned fuel up. but my buddy has giving me this housing. think i will be ok. i was told it will be like a whole new truck without even touching the pump.
92 4wd 180k auto, 366 spring, turned fuel pin, loaded
first diesel!
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Postby Richie O » Sun May 18, 2008 6:48 am

Like he told you over there it will spool quicker but as you add more fuel it may have to much restriction and get a little toasty. :)
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Postby 89silverbullet » Sun May 18, 2008 7:45 am

just pay attention to your tranny. its not the cummins that breaks its every thing around them ;)
1989 d250 muffler delete diaphram turned, fuel screw turned, the lowes special intake
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Postby cummins king » Sun May 18, 2008 10:09 am

alot of guys with 12cm and autos are dispointed, i have never tryed a 12cm with an auto but the 16cm is a great mod with quick spool up and low etgs
93 4X4 auto
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Postby bradshaw106 » Sun May 18, 2008 11:14 am

cummins king wrote:alot of guys with 12cm and autos are dispointed, i have never tryed a 12cm with an auto but the 16cm is a great mod with quick spool up and low etgs

what about the mod disappoints them?
92 4wd 180k auto, 366 spring, turned fuel pin, loaded
first diesel!
bradshaw106
fuel screw!!!!
 
Posts: 55
Joined: Sat Apr 12, 2008 5:36 am
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Postby cummins king » Sun May 18, 2008 12:51 pm

hot etgs and spool up isnt much beter then the 16cm with an auto,
if your going to stay with stock injectors then the etgs might be okay but if you put bigger ones in then they wont be good
stick with the 16cm

generaly
12cm = std
14cm = std/auto
16cm = auto

stock
18.5 = std
21cm = auto
(dont know if thats right for ALL the years)
93 4X4 auto
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