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I am dealing with the same issue, first there was a cracked gear in the flap controller motor( just to the left of and behind the glovebox) now i think the head unit is acting goofy. ready to just replace that.

Yes, I am now based in Jasper, i travel a lot for work though. I grew up in Beaumont, and lived in Galveston while working in Houston a while back. What i am looking for gauge-wise in a matched set.....Boost and EGT and possibly a fuel pressure gauge. Would like a boost range up to 20 lbs, and...

Hard to find matching anolog gauges for both egt and boost in that range. I might just go with digital gauges.....

looking at these

no thanks Burning Oil, i'd rather have separate gauges, i am working on an overhead console to relocate my radio/video screen to, and if it works out i am going to make a plate to mount my gauges where the factory radio mounts

ok good deal, i am just checking, i want the lowest range needed, and want to make sure i am not going to surpass that range. i intend to get the att, a new chip with added fuel, and tow a 38' 11,000 travel trailer.

just wondering as i am getting one soon and also buying new gauges, wanna know how big of boost gauge i should get

on mine the gear that connects to the flapper shaft had split, allowing the plastic gear to spin on the metal hub. had heater all the time. pulled apart and glued the gear back together, retimed it and it works fine now. u have to clock the gear on the hub though, there is a reluctor that tells...

BK, thanks for sharing your hard earned efforts with us, i just ordered my set of injectors. Now to find a good injector shop here in the Dallas/Ft Worth area.....

Has anyone bought and installed these yet?

i used a dish towel, folded in half twice, and cut the hole in the middle, worked just fine

700r4 tranny in the IROC

OK I can get them from Rock Auto for $328 shipped. I'll try to get them in a couple of weeks. Sure would like to see 20mpg!

sorry, good point. the engine hasw 140,000 miles on it. AFAIK the injectors and IP have the same. I know when i first bought the truck the engine came from, I was getting 17 empty and 10 towing, over the last year it had dropped to 14 empty and 8 towing. Gained 2 mpg empty going to the 3.42's.

1995 CC DRW NV4500 3.42 rear..... Am averaging 16 mpg +/- not towing, 7.8 towing a 38' TT(10,000 lbs) at 65-70. Just pulled it about 300 miles, and have a coating of soot on my rear bumper by the exhaust. Average boost while towing 8 lbs, maxed out is 12-13 lbs with the vacuum system hooked...

have you looked at the plug under the hood by the firewall? there should be a flat 5 lead plug coming out of the cab under the master cylinder. check the voltages there.

This is an interesting topic, and good points are being brought up. To add, I wonder how much additional heat is created by the engine in powering the engine driven fan? I'm sure it requires a good bit of power to create that 100+ mph wind. I realize that alternators also create drag(and heat)...

i don't have the db2, but on mine it stops at 35-3600 rpms

brake and turn signals are on the same circuit. take a meter and check the plug back by the bumper with the running lights on. you should get 12v. do you have dash lights?

Has anybody else had a problem with the 6 bolts on the plenum stripping out? the 1 center bolts on the raised portion of the plenum have both stripped and leaking out..... any good fixes besides helicoil?