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Diesel Conversions Convert gas to diesel, or convert to a 6.2/6.5/Duramax/Cummins/Navistar/Isuzu/Perkins/Detroit/or ... diesel engine. Go here to see completed projects, works in progress, share your conversion or ask the experts.

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  #1  
Old 10-25-2012, 04:55 PM
DieselPickUp DieselPickUp is offline
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Join Date: Oct 2012
Location: Ohio
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Default Diesel to gas engine swap

I have a 1990 Chevy K2500 with a 6.5 V8 Turbo Diesel in it. I was woundering what kind of motor(s) I could swap out for a gas and also what else I would have to swap for the gas motor. And could I keep the turbo for the gas.
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Old 10-25-2012, 06:44 PM
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Edahall Edahall is offline
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Posts: 342
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Quote:
Originally Posted by DieselPickUp View Post
I have a 1990 Chevy K2500 with a 6.5 V8 Turbo Diesel in it. I was woundering what kind of motor(s) I could swap out for a gas and also what else I would have to swap for the gas motor. And could I keep the turbo for the gas.
The easiest would probably be a big block such as a 454. But why?? There are many gas trucks out there of the same vintage of yours that are relatively inexpensive.
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1990 ton 4x4 Chevy Suburban
-Cummins Diesel - 12 valve - factory rebuilt
-6 speed bullet proof manual transmission - NV5600
-Gear Vendors Overdrive
-Upgraded Holset HX-35 turbo
-NP205 iron transfer case
-3.73 gears

1982 ton Chevy Suburban
-6.2L diesel - high nickle crack free 1982 block
-Stans headers
-Ported heads
-Timing gear
-4 speed automatic
-3.08 gears
-30 mpg on freeway
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  #3  
Old 10-26-2012, 10:43 AM
AKMark AKMark is offline
Building another 6.2L powered vehicle
 
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Location: North Pole, Alaska
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The 6.5's Turbo won't help you....

It's not a drop in. You need a different torque converter, computer, wiring harness....etc

I've driven 454's while I like the power, I hate having to fill the tank.
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05 2500HD CC LB LLY, 4x4, 3.73s 235/85R16's, webasto cab heater, to keep it warm.
03 Buick Rendezvous - When you average over 80 miles per day driving around, you need one of these.
85 K-5, 6.2, SM465, Rockwell T221, 1 tons, 36's. More goodies to be installed as time and money allows.
82 K20, 6.2, SM465, NP208, stock except for bed rack, snow plow, and glow plugs are on a toggle switch. It works great for plowing!
72 Postal Jeep - Yet another project
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Old 11-14-2012, 03:02 PM
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Mark Rinker Mark Rinker is offline
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  1. Sell that truck to someone that wants it.
  2. Find a truck with a gas engine in it.
  3. Proceed.
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2005 GMC Yukon Denali 6.0L gas (hey its paid for)
  • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW
  • Total GM diesel miles to date : ~950K
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