Alright so I don't know every bit of information but I have the basic. If you need something else just ask and i will go check. As of right now i have-

390 fe block bored .40 over
Keith black performance step dish pistons - 20cc i do believe
Eagle connecting rods
.292duration cam
comp cam lifters
comp cam valve springs
comp cam timing chain
3.98 crank (428 crank)
1968 390 gt heads
edlebrock performer intake
msd 6A
msd coil
accel spark plug wires
electronic ignition
electronic fuel pump
hedman headers
750cfm edlebrock carb
we also grinded some off the heads where the pistons go into the heads. the step dish would hit the heads.
otherwise that should be it, any questions just ask, any pictures just ask, and if you could help me out that would be great! thanks

 

I`d call it @ 500 and sleep good @ night

 

ha sounds good to me, im happy with over 450, i plan to get it dynoed once in the truck but not for awhile

 

I stroked out my `71 390 w/ Eagle kit to a 436 but it`s still on the engine stand. It should be simular to yours when it`s done.

 

Well i hope it turns out good, i just hope mine fires up when we get it in the truck haha. but i wish we would have went with a stroker kit, but the kit was just so much more expensive since we had it bored .40 over so we had to just buy all the parts seperate which wasn't really that bad.

 

I bought a `68 F-100 from a guy I work with for $250 after a tree fell on it from hurricane Ike in Houston.He put a 428 crank rods and pistons in a 360 along w/the Cobra Jet heads,but the block was cracked.I`m trying to locate another block to build another engine to put back in the `71 F-250.I want to put the 436 w/Edelbrocks in a `68 Montego MX.I`m looking @ a `66 T bird w/428 rebuilt for $1500 right now.

 

Well you got some pretty good deals there, and as for the block your looking for, i dont know if you have ever heard of www.cragslist.org but go there and put in that you are looking for a 360/390 block and within a week you should have some people contacting you. We bought two 390's off of craigslist, we got around 10 hit within 5 days so check that out.

 

About the pistons hitting the heads- did you perhaps buy +.040 390 pistons, and not +.040 410 pistons? If so, with the 3.98 crank, that's why the pistons hit the heads. The correct pistons for that crank would be just a bit down in the hole, shouldn't be up into the heads.
292 duration cam- is it a 292S, 292/605 lift? If so, it would probably be a bit over-cammed for a pickup, and wouldn't be real friendly with a small-port Performer manifold- more a fit with a Performer RPM. If you have the 390 pistons with the squish cut down, you're going to have more compression than you planned for, because the dish area is effectively smaller because of the longer stroke. How much squish clearance do you have between the piston and where your ground out the heads? The Performer intake should be hell-for-strong down low, and run out of breath on top.
If it's an F250, I think I'd go with a little less cam, and focus on torque, not horsepower- horsepower is just a calculated number based on torque and RPM, but torque moves the pork- hp sounds good when you're bench racing, but when you hit the pedal and instantly go back in the seat, that's torque. The big cam would help bleed off the excess compression, but you're going to lose low end and midrange in the tradeoff

 

the cam at 050 lift is 244int/244exh, advertised is 292int/292exh, intake lift .560, lobe is 110, and its the hydraulic flat tappet, as for the pistons, yes we just ordered 390 pistons and i guess i never thought about that but they do not hit anymore, i know they are close but im not sure on the clearance, and for being a truck, torque is an essential but its not like im going to race it at all, i plan for it to sound great as hell and have a bit of get up and go, and this motor might not be in the truck for to long, maybe a year or two and i'll get a car to put it in.

 

That cam sounds a little more like it, the .605 lift solid would have been a bit much for your truck- I actually have two 292s's (the solid Comp) out in the shop right now, for a 428CJ and a 428SCJ. I'm wondering how and where you ground the heads- what did you use to grind them, and how did you measure and lay out the cut? Might want to be a little careful at first and sneak up on the timing- just an unusual combination you have there, not sure how it'll react, flame travel might be "interesting"

 

Your build sounds real similar to mind. But I had the pistons shaved down to were they were sitting.004 thousands out. With the felpro head gasket I used it put the pistons around .036 from the head. You need to be more than .030 from the head or you will have issues. Remember that is a large rotating assembly that is turning and thier is always a little looseness in your rod bearings on both ends. At the crank and piston. i had all mine trued up before I built mine. It has seen 8k but ended up a pushrod so the valve train won't hold it but it will turn it. I figure mine is making around 500hp or so. Good luck!! Can't wait to see it run..

 

Go to OnlineDyno and punch in your numbers. It'll give you a good estimate. I dont think you're gonna be at 500hp though, you need some head work and a bit more intake. It'll probably be more like 420hp. that's still enough to get a 3200lb car down the track in the 12's. JMHO

 

Yeah i've been to that site a few times, i think im pretty close but i dont have the exact numbers on like 2 spots i think, so i know im atleast within 100hp of where i should be haha but that would be nice if it ran 12's, its just to bad it has 36in swampers so i dont know if it would stand a chance at those numbers?

 

I hope i can say the same and i hope i can atleast get above 450hp, i'd always have a smile on my face if i do. But the whole reason in building this is so that i can put those damn tuner cars to shame in town. i hate those little fart cannons reving past me all the time! haha, i do have a 99 camaro with a lil 3800 in it tho that can keep up with half of em.

 

haha yeah those 12's arent for f250s with 36 swampers. But on the bright side if you're making in the neighborhood of 420-450hp you are gonna be putting some serious torque down. Plenty to thow you back in the seat and smoke some weedeaters, at least on the streets. And if that doesnt work you could just run over them..haha