https://www.ghtuning.com
I bought the 5 star tune. They never came out with a tune for the tuner I bought. I bought the mpt tune. Ran it for a couple hundred miles. It was the 91 prx that I was running. The gear head tune has been in for 8000 miles, never modified. And I am not looking for...
TOuring and sport are basically identical. The only difference that I can find is the high flow trap door. Sport has 1 and touring 2. So sport will give you a more aggressive idle sound.
Weigh front and back axle. Grab a tire chart and see
what pressure caries that load. That will give you a
minimum pressure. 35 front , 32 rear on stock tires
Is what I am running. BUt you have to know weights.
OR chalk the tires and see how they lay
Looks good. The fail safe is a plug with a spring loaded plug. As you screw the hose on it dpresses the plunger. As well you screw a brass plug over hose threads when not draining oil.
Gearhead tune works for me. Truck is responsive and trans is perfect. Cruise set at 50 and you pull gear selecter to manual and you are in 8th. Pull a trailer no problem. Somebody else driving and they put regular in, no problem.
Not too many 18 whealers out there without a turbo. I think 250 uses a turbo diesel rather than pure displacement. If the epa allowed a two stroke diesel , that would be a motor
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