4bt cummins - Diesel Bombers



6.2L & 6.5L Performance Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines Related to Performance and Longevity

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Old 07-10-2011, 06:37 PM
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Default 4bt cummins

i thought about putting a 4bt cummins in my 93 1 ton dually chevy 2 wheel drive single cab it has a 6.2 in it now i'm either going to put a turbo on it or put in the 4bt cummins but not sure how much performance i can get out of the 4bt and still have a long lasting good fuel mileage truck engine any ideas would be helpful.

Last edited by fasteddie1_2003; 07-10-2011 at 07:20 PM.
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Old 07-10-2011, 10:23 PM
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4bts get great mileage even with perfromance goodies on it
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Old 07-11-2011, 12:26 AM
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i don;t know how much trouble it will be locating one but if i decide to go that route i hope the conversion is easy and parts are easy to find and i hope i can get around 200 horsepower at least.
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Old 07-11-2011, 01:07 AM
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The price of the 4bt has went up in recent history. The conversion would not be terrible but they are never just a quick deal. If all you are looking for is 200hp why not just turn the pump up and put a turbo on the 6.2 a factory 6.5 makes 200hp so with a turbo on a 6.2 you should be right around that.
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Old 07-11-2011, 01:13 AM
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Quote:
Originally Posted by 2MuchJunk View Post
The price of the 4bt has went up in recent history. The conversion would not be terrible but they are never just a quick deal. If all you are looking for is 200hp why not just turn the pump up and put a turbo on the 6.2 a factory 6.5 makes 200hp so with a turbo on a 6.2 you should be right around that.
any good parts always wanting parts
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Old 07-11-2011, 01:16 AM
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What kind of good parts are you looking for?
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Old 07-11-2011, 01:19 AM
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how much hp could i get porting the heads and turning up the ip and running four inch exhaust and marine injectors

---AutoMerged DoublePost---

want a turbo setup including manifolds for my 6.2 not much money but can trade if i have anything someone wants

Last edited by fasteddie1_2003; 07-11-2011 at 01:19 AM. Reason: Automerged Doublepost
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Old 07-11-2011, 01:33 AM
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You won't gain much by porting the heads or marine injectors. The best improvement is the turbo. That with turning the i/p up and 4" exhaust should get you over the 200 mark.

I may have a lead on a turbo. What part of IL are you in?
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Old 07-11-2011, 01:38 AM
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central illinois in windsor il. around mattoon il.
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Old 07-11-2011, 01:54 AM
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I'm in south west indiana. Just north west of Evansville. I will see if the turbo is for sale. It is the completed 6.5 turbo setup off a 93.
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