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i have an 81 f 100 i just converted from 300 6 to a high output 302 man what a differance tons of great advice from everyone on this site made the job a breeze. Ill talk my sis into helping get some pics down loaded
Im about to do the same but with a 351w. I look forward to see your pictures. Also tell us some more details, was it pretty simple? Do you have any pointers?
yes the conversion was pretty strait forward i would definetly try to get every thing off the same truck motor mounts,pulleys,brackets,radiator,fanshroud.watch the year of the motor.my 302 was out of an 85 lincoln and was fuel injected no place for a manual pump and they went with a hydrolic clutch setup in 84 or so and my truck is an 81 manual clutch i went with a little bracket that bolts to the back side of the bellhousing to keep the manuel clutch got it lmc just acouple little pit falls to watch for
What model car did the Lincoln engine come out of? I swapped a 302 out of a 86 Mark VII and it was not a HO engine.
Also, did you use the car oil pan? If so, it has two drain plugs and the front one can be hard to get to, I swapped in the truck pan.
I also changed the front of the engine around, swapping in the older style timing cover and cam eccentric so I could use the mechanical fuel pump. That also got rid of the serpentine belt waterpump and all that stuff, so I could use the conventional v-belt setup, and all the truck stuff bolted on.
I also swapped in the carbed intake(using the later model intake gaskets) and carb. So I had the later engine, but it looked just like the older engine that was in there before.
Same sort of thing on my truck. It originally came with an 351w, but at rebuild time an 89 351w block was used. Everything that Franklin mentioned was done, and the end product was as such that without running the block numbers, you wouldn't know it came off a F.I. vehicle.
Just look at the firing order. Follow the wires around the dist and see what cylinders they go to in what order. If they are in the order of a old 302, it's non-HO. If it has the 351w firing order, it probably is a HO engine.
I took my 86 Lincoln engine apart before I installed it. It did have a one-piece rear main seal, and roller lifters with the roller cam shaft(even though it's not a HO). It had pistons with a little dish to them, and the odd-ball small chambered heads they used in 86.
I believe the HO had the larger chambered heads(except in 86) flat-top pistons, and the HO camshaft.
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