Need direction...... Again 528 build

So thanks to Andy brown hooking me up with a great deal on a crank I'm now finally off in the right direction with my bottom end BUT I'm still stuck on my cam and top half
I'm trying to push my little 73 mustang down into the 10.5-10.8 range with a good C-6 and 3.73 gears and still be able to hit the cruise in on weekends and car shows.

What I've got going on so far is a scat 4.3 crank, ported C9 heads, fully machined and preped C9 block with oil mods. .060 over. A set of KB icon forged pistons with standard valve placement and 39 cc dish, roller lifters, timing sets.

I'm not afraid to swap out the heads and pistons for something else. I'm just in need of direction again

swap the pistons and put on SCJs or P51s
Lem has great deal on the SCJs

Keith

Do the P-51's come bare with valve job and guides installed? I have a good solid roller that If I managed to get up to 11:1 comp on pump gas would work great

Maddmattmustangs wrote:Do the P-51's come bare with valve job and guides installed? I have a good solid roller that If I managed to get up to 11:1 comp on pump gas would work great

I guess you can get them ether way.

The 850BG is gonna be a little small!

BB94STANG wrote:The 850BG is gonna be a little small!

Yea I was thinking 1050-1150 dommy this time

dfree383 wrote:

Maddmattmustangs wrote:

BB94STANG wrote:The 850BG is gonna be a little small!

Yea I was thinking 1050-1150 dommy this time

USE the 850 for now............. PUT IT TOGETHER AND RUN IT !!!!! UPGRADE LATER !!!!

Be nice if I could

Local shop has an 1150 laying around for 140. Probably going to get it and have prosystems go through it

res0rli9 wrote:swap the pistons and put on SCJs or P51s
Lem has great deal on the SCJs

Keith

My thoughts as well. With the dish on those pistons and the C9's you're compression is going to be down a bit and leave a bunch of hp on the table... not to mention the power potential of either of those 2 head choices and the price of the SCJ's for what you get. The ported C9's may flow well but not like either of those. I'd think you'd be further ahead to ebay the pistons and heads right quick and do as described. Then you'd be definately making the power numbers to get that '73 to the ET you're after.

Alright so I'm convinced, I'll shelf the iorn heads and save them for a milder project

I can find new pistons in the about 500 dollar range, probes so I'll be ok there. What compression should I be looking for? Would 11:1 be to much with either head?


I still have a set of caltracs for this car from ages ago, never installed, as for the wheels department I'm a total loss on what's good and what's not. Going to go ahead and upgrade my stock 3rd member to a strange case. I've got adjustable QA1 shocks on all four corners. Haven't swapped the front springs yet as I want to have the motor set in the car before I start picking at that. The car WILL get a good cage before I even start it up

Here is a flat top SCJ aluminum bowl blended 528 that will put your car in the mid 10's .................... follow this build and your there.

https://www.429-460.com/t4799-my-build-my-fox-transformationlotsa-pics

Got some detection, stay tuned

For the money spent the complete P51 heads from Lem are hard to beat. I'm running a set out of the box on my 514. They come "ported as cast" so they'll flow more than a SCJ out of the box. I'm running a flat top and figure the CR to be ~13:1.

I havent ruled out the P-51 yet but i do like the idea of having the smaller cross section of the scj's for better bottom and midrange torque production on a smaller motor such as mine