6.2/6.5 Injector Pump compatibility (H1)

[PavementPounder]

Putting a deposit down in a couple days on a second Suburban - an unfinished project with a beautiful southern body. This one is a 4x4 with a 6.2 in it, which will save me the hassle of an engine swap. I'll just swap my 87's re-geared D60/14bFF for the ones under it, making the re-sale of my 87 easy. The second truck is pretty complete, but missing the pump.

There's a newer takeoff listed on my local board from a H1 6.5 turbo. Guy says its a 24v, but easily converted to 12v. Questions:

1. Is it compatible? Is the comment about the 24v to 12v correct?
2. Since I don't have one at all, is it a good choice? Or should I buy something that will support more power since I'm starting from scratch anyway? This is the more important of the two questions. I don't want to end up dissatisfied with it and have to buy another one later if it can't support any mod I want to make.

 

[fallout232]

The 24v pumps can indeed be easily switched to 12v You have to pull the inspection cover off the top of the pump and change the fuel shutoff solenoid to a 12v one. Biggest problem with this route is finding a 12v fuel shutoff solenoid if you dont have one from your old pump. I would be cautious about the pump, Make sure it is a "DB2" injection pump and not a DB4, DB4 is electronic, less reliable and you would have to run a custom ECM in the truck. Any mechanical pump will have the fuel output capability to put you in the 200-220 hp range with 380-440 ft lbs of torque. With supporting engine mods (turbo, intercooler, etc.). Unless yoou are going to go crazy on internal engine mods I wouldnt exceed this level. Your next step up would be going to a marine pump, which again without supporting engine mods would be a waste.