i have a 1966 f250 with a tired 352, i was wondering if i can swap in a 1968 long block and run the 352 intake, flywheel, harmonic balancer and brackets?

 

Yes, but there's a good chance your 66 intake will have ports about 1/4" taller than the ports in the 68 heads.

 

The blocks are basically the same, so the aft parts are bolt up. Have you thought about building the 360 into a 390 and going in that direction?



John

 

so do i have the intake planed down or do i have to get an intake for a 68 motor?

 

yes i have thought about building the 352 into a 390 but the local performance shop wants $3200 to do the job! i can get a brand new rebuilt long block create for $1600! So i figured why spend twice the amount!?

 

The 68 360 already has a 390 bore block, not sure why you would build the 352 instead.

The local either doesn't want the job or has priced you something way out on a limb.

Get another opinion/price. Keep looking.

BTW, Where are you located, this is a huge site with lots of readers, maybe a local can help point you in the right direction.




John

 

sorry if i made that sound like i wanted to build the 352, i was actually just going to buy a 390 long block and drop that into my 66 4x4 cuz the cost is half the price! i am located in New Glarus, Wi

 

Hey welcome FchasE post up some pics of that 4x4 if you have some. Nice seein other
4x4 guys here. How close is New Glarus to Horicon where they build John Deere

 

buzz, isnt horicon up by beaver dam? if so that is only like 1 hour from me!

 

Believe the balancer/damper and pulley changed in 68, if not mistaken, should be able to use the 66 balance and pulley on the 68 but can't use the 66 damper w/ later pulley, the bolt pattern is different. In meantime, might want to keep an eye out for 2-3 sheave damper pulley in event later decide to go with p/s upgrade.

 

then i have one question also, what do they mean by the 68 390 heads do not have an intake/exhaust crossover?

 

Yup it is very near BeaverDam. My wife has relatives that live there. We travel there from time to time.

 

Buzz, well maybe when i get this ox on the road we'll have to meet up sometime!?

 

Everything that bolted on to your 352 will bolt to the rebuild 390. Flywheel to balancer, heads to oil pan.

As to the heads being taller in the intake dont worry about this unless you are building a screamer. This can be cured with an aftermarket intake. There millions of rebuilds out there with mis matched heads.

Garbz

 

can i have my intake milled down or is it easier just to go with a aftermarket intake?