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I've got a 6.5 on my engine stand right now, the SB distributor will drop in. BUT the oil pump drive in the SB is the "slot and spade", the 6.5 i have apart has an Allen shaped oil pump rod. Earlier engines may have an older style oil pump with the "slot and spade", the 2 engines i have are a...

I put a -8 on my '93 which came with a -3, bolt-off and bolt-on, nothing changed. Well i did fab up a turbomaster/boost controller for the -8, $10 and 30min later fabbing the mount i was ready to go. I got my gauges at summittracing, a 3 gauge pillar set. Boost, EGT, and tranny temp. Got a 3...

Yup, after those have been on there a while the sticky really dosen't want to come off. (If you don't care about the existing paint, laquer thinner is your friend) I've painted several cars/trucks in my home shop, good prep is the key - take your time and do it right the first time. Don

Ouch, i feel your pain. Several years ago i was moving from Houston to the Atlanta area, i was pulling a trailer with my GMC truck going to Houston and about Lake Charles LA the 5 speed goes poof! Well about $1800-2000 later i was back in business, had to get a shop to do it as i had no tools...

Buddy, If you notice the first sentence in my paragraph, it says it's powered on when the WTS (Wait to Start, or glow plugs on indication") is on. If you turn the key on but don't actually start the truck the pump will have power until the WTS goes out, not indefinatly if the engine isn't...

Yup, but his is a '93 and from the factory it should do that already. That's why i was saying that i'd fix what was broken by the PO instead of adding to the wiring mess. Don

I would be leary of tieing it to an ingition source, if the factory lift pump stuf isn't working i'd really try to get it working. It works good when it's in proper condition and had some safety measures built in as well. A mod that's been popular and works well is to utilize the OPS to drive a...

'93 lift pump operation Hi guys, According to my GM manual, it will energize the lift pump relay when the "WTS" (Wait to Start) light is on (that's when it cycles the glow plugs), "START" is true (starter is turning over) AND when the OPS is "true" (Oil Pressure > 6lbs). These early models...

On my '93 there is a pink wire for the shutdown solinoid, a green to the cold advance and 2 wires to the TPS on the side. Not a lot to it, if you pop off the top of the IP be very carefull how you put the cover back on as it done incorrectly the engine will run away. Don

That's pretty much it, not real complicated but the darned things are heavy if you do it by yourself. (did that once, got a nice bump on the noggin lol) Don

I've also got a set for my '93 and my '97. I got them at Helminc, they "repop" just about all the GM FSM's. Don

Good progress thus far, i've used the spray label and sicker remover that works fairly well and there's also weather strip remover that works pretty good too. Think i got those a autozone or somewhere like that. Don

I run a 180F in mine, it gets pretty darned hot here in Atlanta in the summer. In a cooler climate i'd run a 190/195F but keep an eye on the temp gauge as i don't like mine running over 210F at any time. Don

The DB2's have a TPS standard, or at least my '93 does which helps interface to the 4L80E along with the ECT. Don

They had it on the history channel or discovery late last night. Said it had a "GM diesel" that was "hardened" and higher HP than a stock engine. Showed a quick pic of the engine, looked like a 6.5 but the thing had a cover on it and it was like a 5 sec pic - kinda hard to see. Wish i had...

My '93 3500 DRW pulls pretty good, i've been up some pretty good grades pulling about 8000lbs at 65mph locked up in OD. I don't have the TCC mod, but i have a GM-8, 3" downpipe/straight exhaust and 1/4 turned up 4911 IP. I do have 4.10's too, i've found that mine really likes 65mph pulling. I...

I've seen a lot of methods for crack detection, but that's a good one. I'll have to remember that, good one Robyn!! Don

I'd clean the piston real good while i had it out, made darned sure it isn't cracked or gouged really deep or through and re-run it. Get the head work done, and put the thing back together. I've built a lot of engines through the years, it should stay together for a while. Also when it warms up...

Stuck valve? That's possible but a little odd, may have broken a valve spring and "dropped" it a little under load/rpm thus bending the valve head. Or something is holding it open, or it's "burned" a spot in the face/seat. Best case new valve/spring/pushrod, worst case replace head/piston and...

Very sorry to hear about your loss, our thoughts and prayers will be with you. I lost my dad in august, after a lenghty battle with lung cancer. He pops into my head at times, i talk to him when i need advice and i always know what to do after that. Remember the good times, and keep those close...