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59 430 heads on 410 Edsel help

Posted: Tue 28. Sep 2010, 09:14
by edselman
I found a set of .030" over pistons, stock step profile for my Edsel 410 engine. I already have a set of 430 heads from a 59 Merc. that I was considering using on the 410. I also wanted to use a steel head gasket to keep the compression up.
I have had my 410 cam reground to match a 70 Boss 429 spec. I'm not sure about possible valve to head interference.
Here is the cam card specs from Oregon cam.

219/229 duration @.050"

278/290 advertised duration @.006"

.498" lift with a 1.73:1 rocker ratio

116 lobe seperation

you should degree the cam to an intake lobe center line of 110 degrees.

intake opens 0 close 40

exhaust opens 57 close -7
I was hoping someone in this group has some advice if this will work. Appreciate any advice. Tom

Re: 59 430 heads on 410 Edsel help

Posted: Tue 28. Sep 2010, 16:48
by KULTULZ
edselman wrote:

I'm not sure about possible valve to head interference.
Piston dome/head clearance must be checked regardless in a situation such as this, especially with a steel shim head gasket. You also need to CC the piston/cyl to confirm/adjust CR.

MEL used to double this type of gasket until a replacement block was cast .020" higher in 1958.

Re: 59 430 heads on 410 Edsel help

Posted: Tue 28. Sep 2010, 17:51
by Theo
Dial in the cam, do a mock up, put some clay on thop of the piston and see what results you get when you turn over the crank (slowly.
You üprobably know that you'll have to change the valve springs accordingly to the cam.

Re: 59 430 heads on 410 Edsel help

Posted: Fri 1. Oct 2010, 15:52
by edselman
No,I didn't think I had to do any changes to the valve springs. I'm gaining about .060" valve lift. Is that enough to create coil bind ? I'll have to look at that.
thanx for your info. Tom

Re: 59 430 heads on 410 Edsel help

Posted: Sat 2. Oct 2010, 04:03
by Theo
Stock FORD springs are known to take lift up to .050" valve lift no problem as a rule of thumb. But it's just a rule of thumb. Never do assumptions. Always double check w. the right tools.
So a .060" you're targeting is definitely going to ask for your extra attention.

Please remember that it's not just coil bind that matters but valve float too. Springs w. stronger spring pressure are a must. Consider buying a cam kit which includes the springs and the locks etc...Kits usually include the cam, springs, locks and lifters.

Purchase a degree wheel and read about how to install and degree a cam. Buy yourself a dial indicator w. a magnetic stand (Cheapo Chinese will do fine) and you're ready to do it the right way w/o guesswork.
Good luck