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instead of just getting the gt 40 heads off of a 95 explorer how about the whole engine and putting it in my 88 f150? would it work not worrying about the speed density versus mass airflow? or can i change my computer as well?.
The 95 explorer engine is a much better choice than your current engine. MAF measures air intake much better than a map sensor. It'll be a little tricky to get it swapped over. Get the engine, transmission and the wiring harness and swap the whole thing over.
I am thinking the underhood harness for the Explorer is not going to plug into your firewall connections. If I am right, you will want to source that stuff from a mass air truck with the 302.
Get the engine, transmission and the wiring harness and swap the whole thing over.
That’s not good advice, IMO. That puts a medium/light duty automatic in a full size truck plus changing the driveshafts. Not to come across as a jerk but instead of keeping everything about this engine from troubleshooting and disassembly in one or two threads so people know what is going on, the OP has around 15 threads about this engine from removing the water pump, removing the heads, finding a burnt valve, finding a bad head gasket and now replacing the whole engine. Rewiring the truck doesn’t at seem like something he should be doing.
dremtofford, You have probably read threads about using the Explorer engine. I’d only use the long block, bolt on your accessories, plug in your wiring harness and call it a weekend.
@My4Fordtrucks Dang. You got me on that one. Late 80 f150 used aod or c4 auto transmissions, while mid 90s explorers used 4r55w transmissions, which are based on the c3 transmission.
That being said, I think there is merit and an argument to be made for using a complete explorer 5.0/transmission package that's electronically controlled with a lockup torque converter vs a newer engine and older transmission.
I tried looking up the gcwr of a 1996 explorer 5.0 vs a 88 f150 5.0, but it seems to have been lost to time.
There is an easier way. When stripped to the bare longblock the truck intake and distributor willl bolt right on as will the truck accessory brackets, if the timing cover and pump are different those can be swapped too. Then the motor will plug right in with all the original truck wiring, and yes it will run.
The 5.0 Explorer used the 4R70w trans same as the pickups but it is computer controlled so using it would not be easy, you would need to find an OBD1 computer and wiring harness for a 5.0/4R70w combo
If you wanna keep your transmission and transfer case, why not grab an engine, harness and computer out of a 1989-1992 mustang 5.0 ho. They often came with manual transmissions so the mustang ECU won't care what's behind the engine. 225hp out of the box with roller cam.
The "5.0 'sploder into random vehicle" swap has been done many, many, many times over. You should be able to find a guide detailing exactly what parts of the harness you need to keep. I think the OG step by step guide was posted to Classic Broncos.
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