Cam before heads

[RogerK]

I'm planning out my performance upgrades for the winter and am looking for some advise. I have a stock 318 .030 over w/ flattop pistons.

I'll be working on a set of 273 heads ( mild porting, milled .030, bigger valves) but due to the cost I may not have them ready by springtime.

I have a Eddy Performer I'm putting on and I'm thinking that if I at least swap the cam at the same time, even with the 2843675 heads with the small valves and open chambers on the engine right now I'll get some performance gains.

I'm planning on using the Summit SUM-K6901 cam - Lift 0.441 int./0.441 exh. duration 218 int./228 exh. http://www.summitracing.com/parts/sum-k6901/overview/make/dodge

The question is will I be OK with this cam and the stock heads/valves/valve springs until I get the new heads completed?

Thanks FABO.

 

[krazykuda]

Yes. You should be ok...

 

[IQ52]

I'd go to the Summit website and read down at the bottom where it says.........valve springs required........yes

 

[moper]

What they said. Stick a set of Comp 901-16s on them and you're good to go with that cam.

 

[rumblefish360]

Get the valve springs recommended by Summit or the bolt in no machine work needed Crane springs. Not the machine work needed Comp springs.

 

[RogerK]

Thanks for the replies. I could replace the springs without removing the heads, I think I have the adapter for my air hose to keep the valves closed while I replace the springs.

I would then have to remove them to get the new heads ready putting the car out of commission for awhile.

I may just buy all the parts, build the heads and assemble the components at one time. The last thing I want is to ruin the engine because a valve spring broke.

 

[RustyRatRod]

Get the valve springs recommended by Summit or the bolt in no machine work needed Crane springs. Not the machine work needed Comp springs.

Why do you keep arguing the Comp 901 needs machine work when it does not?