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Old 01-17-2010, 11:54 PM   #2
ChevLoRay
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Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
Re: 1993 Topkick: convert tbi/governor?

Since your truck is OBDI, a scan tool may be what is needed to help. If there is a way to disable the governor, that would be a good thing. Whether or not it can be done, I don't know.

I drive an '03 Bluebird with a high torque Cummins and an Allison 5-speed. If it has a governor, I've never hit it. But, since it is a school bus, and I drive it according to the laws which limit us to 65MPH....except for rare occasions when passing a big truck or trying to avoid becoming a bottleneck in traffic. It has seen "over 70" when it was just me in it. But, I don't know what the upper limit is on the engine revs. It will go around 25-2700....so, maybe that is the limit. Kinda hard to push a box that is 8 ft wide, 10.5 ft high and 40 ft long to the rev limit in 5th gear.
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'96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed.

'69 C-10 SWB; 350/TH400 - in limbo

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