TPI complete transplant, 83 k10

[LTZ C20]

I have never messed with any other fans other than GM vehicles but I've heard Taurus fans work pretty good. I would opt for the vette vans tho, the relays and wiring and such needed are all built into the harness in and around the vette engine bay, pulling power from the appropriate places, you wouldn't have to make anything, just detach it all from car and reinstall on truck.

As Rich84 said, I believe howell, summit, have TPI fuel pumps. The one that came with my TBI kit supplied ample pressure and the regulator in the TBI gets it down to where it needs to be for TBI. Might be the same pump for there TPI kits also. That would make things easy now wouldn't it?

As for the leak on vette trans, I'd say reseal it, drain fluid, new filter and fluid, new pan gasket and input/output seals, same with filter and oil in engine and new coolant and any seals on engine that you opt to replace while it's out and should be good to go.

I can't say enough make sure you get everything from the donor car as you can, fans, wiring, sensors, brackets, etc, trans and throttle cables, even if you think you have one from the truck already. Once you take all the parts and the car is gone, if you have a question or need to adapt something, having physical parts to test fit and work with is a heck of a lot easier and less stressful than trying to guess or search the web for a possible answer. Trust me, been there, done that.

I'd rather have some extra parts and an easy install than just enough and no hair cuz it's all pulled out.

[Brocksdad1]

Im not sure that its as easy as just bolting on the transfer case on that trans. I think the output shaft has to be changed.

PLus Im running out of cash fast.

[LTZ C20]

Running out of cash is never good but you would be surprised what will bolt directly in and what wont. Sometimes you can take a part from one vehicle and a part from another and to make them work together use a part from a third vehicle.

[Brocksdad1]

I'll Google it. But I think major changes apply.

I know a ton about modifying early Broncos with other vehicles lol

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[LTZ C20]

Good luck and let us know what you find.

[Brocksdad1]

Well I found out that the trans has to be torn down and modified with different tailshaft.
If I can get it free or next to it I'll pick it up.

I called about my engine and it's not out yet because of the snow. It's supposed to be out tomorrow. I hope
I sold my 94.z71 today so I am going to borrow my grandfather mini van until the truck is done.

I hope I get everything going soon.

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[LTZ C20]

Cool cool. Getting it for for cheap would be good. Also, tearing it down to swap tail shafts is also good. You will get the chance to double check the internals, fix anything that looks like it might be an issue. Also let's you throw some new gaskets in, including the leaking pump, new filter and fluid.

I wouldn't worry to much about performance upgrades as long as you leave the engine stock, if you decide to upgrade the engine later and if you do then upgrade the trans then.

[Brocksdad1]

As of now the only hitch I'm finding is fuel delivery.

Is it possible to use a 87 sending unit along with a high pressure in tank switched out from the lower pressure tbi pump.

The fittings are concerning me a little bit on the sending unit of the 87.

Only thing I can think is to buy a external hp pump and regulator. And use threaded style fittings.

Has anyone put a TBI in these trucks on here that can help me on this.

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[LTZ C20]

The later years of these trucks came with TBI, do you mean TPI? 1987 should be TBI stock.

I would think the easiest thing to do might be to use a sensing unit for a carb engine, say 77, 78, 79 or so, as long as it has the same amount of ports on top. Then just get an external TPI pump from howell or summit or whatever. That's what mine is. I didn't even drop the tank, just put fuel injection lines onto the sending unit, connected to external TBI pump from the kit and bolted to inside frame rail. Works perfectly fine.

[Brocksdad1]

Yea I meant TBI.

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[fitz]

Like Ltz C20 said, I would run an external fuel pump.
Have you looked into the VATS system I mentioned earlier?
What about you exhaust system?  If your running headers  you will need to weld in a bung for the O2 sensor.
For your air intake you have you have to deal with mounting the mass airflow sensor. The ductwork from an 1988 trans am / formula TPI car will locate the air filter box to the drivers side radiator support (it looks almost factory) using all GM parts.
I'm just trying to think of the small details so you can plan ahead.

[fitz]

  As far as the fuel lines/sending unit, my TPI system uses a 3 port sending unit (feed, return, & vent).
  My truck has a 40 gallon suburban tank mounted under the bed and uses an external fuel pump. There is rubber fuel injection  line  running from the tank to the pump. The pump is mounted to the frame rail near the tank. From the pump the fuel runs into a stock TBI fuel filter set up mounted with the bracket for a 87-91 tbi blazer.
From the fuel filter steel lines run along the frame to the front of the truck where they attach to the factory TPI braided fuel line. The return line is run the same way.
  Just make sure to use rubber lines & hose clamps rated for fuel injection.

[LTZ C20]

Fitz pretty much covered it. Don't worry, fuel injection rubber hose is not expense,  just a different type than carb hose.

I'm sure there's a couple ways you could mount a MAF sensor, including the trans am setup. Welding a bung on the exhuast is not hard either or buy a header with bugs already. But I just welded mine to the exhuast pipe right behind the header collector/exhuast pipe joint. I didn't want to ruin my nice ceramic coated headers by drilling and welding to them.

[Rich84]

The stock TPI pump will mount directly to the 87 sending unit just like the TBI pump did. 87 tank has baffles to keep the sending unit from starving for gas when below a 1/4 tank. This is the "best" set up.
The easiest setup is an externally mounted pump as close to the fuel tank and below if possible. Use the existing steel lines and replace all rubber with FI hose.

[Brocksdad1]

Thanks Rich

I work for a company that has all the tools for crimping ends on hoses. Ill buy the correct fittings and hose along with a electric frame mount pump from summit or my local speed shop. Then ill make all the hoses the right way. Along with return hoses.

As Im going All this ill be taking pictures and doing a step by step install. And ill also list part numbers

Im looking forward to the install I just wish it was in warmer weather.

Bryce

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