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6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum

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Old 01-07-2010, 03:27 PM   #21 (permalink)
Horse-Power
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Your boost gauge looks just like mine and its in the same spot!....I had to do a double take.

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Old 01-07-2010, 09:13 PM   #22 (permalink)
cbr600rx7
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LOL. Yeah it fit near perfect in there and for a little over 20 bucks the gauge works great.

I went about 100 miles of mixed driving on 1/4 of a tank. My truck is a 700R transmission with 4.10 gears and 275 tires.

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1994 F350 4x4 ZF-5 7.3 IDI Turbo. (SOLD AND NOT LOOKING BACK)
1993 ext cab 3500 4x4 6.5TD 360,000 (SOLD)
1985 K10 6.2 banks TD (SOLD)
2000 Turbocharged WS6 TA 524rwhp 498Torque (SOLD)
2001 LQ9 IRON 409, T56, 9 inch, 471rwhp 450Torque (SOLD)
2005 GSXR-1300 (SOLD)
2002 2500HD LB7 4x4 (PPE valve, MBRP 4 inch, AFE stage 2, Profab horn, EFI live) (SOLD)
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1985 Toyota PU 4x4, Solid axle, 35 MT's, duel lockers, 5 speed.
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Old 01-07-2010, 09:19 PM   #23 (permalink)
RCpullerdude
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Quote:
Originally Posted by cbr600rx7 View Post
LOL. Yeah it fit near perfect in there and for a little over 20 bucks the gauge works great.

I went about 100 miles of mixed driving on 1/4 of a tank. My truck is a 700R transmission with 4.10 gears and 275 tires.
Should be a 4L80E unless it was swapped at one time, which would be crazy, though not impossible. 4L80E was the only auto behind the 6.5TD in a GM pickup/SUV from the factory.
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Last edited by RCpullerdude; 01-07-2010 at 09:20 PM.
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Old 01-07-2010, 09:29 PM   #24 (permalink)
cbr600rx7
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Hmmm maybe i read the factory option list wrong then. Its a 4 speed auto but when i was looking up some of the option numbers i must have miss read it as a 700R.
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1994 F350 4x4 ZF-5 7.3 IDI Turbo. (SOLD AND NOT LOOKING BACK)
1993 ext cab 3500 4x4 6.5TD 360,000 (SOLD)
1985 K10 6.2 banks TD (SOLD)
2000 Turbocharged WS6 TA 524rwhp 498Torque (SOLD)
2001 LQ9 IRON 409, T56, 9 inch, 471rwhp 450Torque (SOLD)
2005 GSXR-1300 (SOLD)
2002 2500HD LB7 4x4 (PPE valve, MBRP 4 inch, AFE stage 2, Profab horn, EFI live) (SOLD)
2002 3500 DRW LB7 4X4 ZF6
1985 Toyota PU 4x4, Solid axle, 35 MT's, duel lockers, 5 speed.

Last edited by cbr600rx7; 01-07-2010 at 09:30 PM.
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Old 01-10-2010, 07:48 PM   #25 (permalink)
cbr600rx7
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Finaly got a good idea about MPG. Right now the truck is getting about 17-19 MPG in mixed driving on 4.10 gears. I have also noticed a lot more pick up during normal driving. The biggest improvement i would say is going from stop light to stop light where before the truck was making 2 pounds under light load its now making 4-5 and i dont find myself puting my foot on the floor trying to keep up with traffic any more.
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1994 F350 4x4 ZF-5 7.3 IDI Turbo. (SOLD AND NOT LOOKING BACK)
1993 ext cab 3500 4x4 6.5TD 360,000 (SOLD)
1985 K10 6.2 banks TD (SOLD)
2000 Turbocharged WS6 TA 524rwhp 498Torque (SOLD)
2001 LQ9 IRON 409, T56, 9 inch, 471rwhp 450Torque (SOLD)
2005 GSXR-1300 (SOLD)
2002 2500HD LB7 4x4 (PPE valve, MBRP 4 inch, AFE stage 2, Profab horn, EFI live) (SOLD)
2002 3500 DRW LB7 4X4 ZF6
1985 Toyota PU 4x4, Solid axle, 35 MT's, duel lockers, 5 speed.

Last edited by cbr600rx7; 01-10-2010 at 07:52 PM.
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Old 01-12-2010, 02:04 AM   #26 (permalink)
dat1truk
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i have the same gauge lol and did this with a piece of all thread a lock nut and spring to my 95 just bent the all thread into a hook and hooked it in the turbo cost less than 5 buks lol
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Old 01-15-2010, 03:17 PM   #27 (permalink)
cheap9665
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i just removed the actuator and wired it fully closed. . . .gettin the gauge put in next week, wonder how much i can get out of it. only trouble i have had is when its under full load. . . .(gcvw over 25,000) it overboosts and takes away fuel
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Old 02-20-2010, 07:18 PM   #28 (permalink)
hydrotech
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Since you are now making a few more pounds of boost over stock, shouldnt you turn up the pump a flat or two? I bet you could find some kind of progressively wound or 2 seperate springs to allow you adjustment for high and low throttle.

cheap9655- If you wire the wastegate shut, all exhaust gas will be pushed through the turbine wheel and the turbo will make as much boost as it can; boost pressure will now be fuel limited. Usually one would upgrade to a much larger turbo when going to a wastegateless design

Last edited by hydrotech; 02-20-2010 at 07:23 PM.
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Old 03-05-2010, 10:32 PM   #29 (permalink)
Chevysrule454
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If I find a older wastegate can i redo it to work on my 98 "f". Im not the brightest bulb in the room, but the picture of your 94 put the wastegate in a completely different spot than mine. I know iv read the other thread on the newer wastegate but i was just wandering that the older style seems allot easier to modifie (ie not having to search for the right spring etc.) and can i mod. an older one and use it on my engine?
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Old 03-06-2010, 08:00 PM   #30 (permalink)
extremeyoshi
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Quote:
Originally Posted by cbr600rx7
LOL. Yeah it fit near perfect in there and for a little over 20 bucks the gauge works great.

I went about 100 miles of mixed driving on 1/4 of a tank. My truck is a 700R transmission with 4.10 gears and 275 tires.

Should be a 4L80E unless it was swapped at one time, which would be crazy, though not impossible. 4L80E was the only auto behind the 6.5TD in a GM pickup/SUV from the factory.


if his truck is a 93, its mechanical, and those indeed did come with a 700r4 behind them, no electronics for the 4l80 to talk to so they put in the 700r4.
i used to have one, and when taking her very easy down the highway i would get extremely good mileage, as she was only spinning at 1400 rpm at 65mph, like 25mpg or better.

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