i have a 1990 f250 with a 5.0 so its speed density for one and not the roller block like the mustangs. i have no idea if the heads are the same. can i put 1.7 roller rockers on stock valve spring? will i get coil bind? and if they wont work will 1.6 work? if none will work is it just because the springs arent deep enough?

 

If it has the stock cam your ok . Just going to give you a little more lift . The springs will be fine . Lew

 

should the valve covers clear?

 

Yes they should . Lew

 

Sorry to hear about that.

Yes it is.

Actually is the exact same block as the Mustang, so it is a roller ready block, just doesn't have a roller cam in it from the factory.

Yes they are exactly the same E7TE casting.

Yes no problem.

Not even close.

1.6 will work too but that's the same ratio as stock.

 

As far as them clearing the stock valve covers, worst case scenario you will have to cut out the baffles.

 

will 1.7 rockers still work with a good size cam? and where do i find a mass air conversion that is resonable?

 

Depends on the cam, total valve lift can't exceed about 0.520".

 

I think the mass air conversion is about a 1000.00 ..Summit . Jegs . E bay . If you go with a biger cam & 1.7 rockers you might want to think about after market heads & long tube headers so it will breath ..Lew

 

The cheapest way to do a mass air conversion is with junkyard/used parts, get a mustang computer and meter, and a MAF wiring harness that you can pull the extra wires from to add to your existing harness. There are a couple companies that make MAF conversion harnesses as well that are significantly cheaper than the Ford kit, see link..
RJM Injection Tech 5.0L Universal Harness

 

Forget it. Yank out that 302 and drop in a 351 HO long block. That ought to take care of all your questions.

 

Yes you can go to the junkie & get alot of stuff you need . Harness & computer but i would go with a performance meter ... promracing.com & Bill when are we going to do the 302 HO swap into your truck LOL ... Lew

 

One of these days, Lew.

 

i would love to have a 351 but i already rebuilt and bored out the 302 with headers and full exhaust. would the 302 top end and headers bolt up to a 351? and does anyone know how far you can stroke a 302 before you half to start notching the block?

 

This thread has gone from 1.7 rockers to 347 stroker quick . On a 351 the heads will fit the intake wont the headers will bolt to the heads but wont fit So 347 .. How much money ya got ??? Lew