How to Choose valve parts?

Post by DuckRyder » Tue Aug 28, 2012 8:14 am

OK, lets regroup.

We are talking about a
small Block Windsor 302 with 1969 heads?

According to Edelbrock.com the 5822 springs you linked are only listed for the Performer Plus cam:

204° / 214° .448" / .472"

According to Summit Racing they coil bind at 1.200 and have a 300lbs/in rate.

These have a 90 lbs seat pressure.

For the larger Performer RPM and Torker Plus cams:

224° / 234° .496" / .520"
214° / 224° .472" / .496"

They list 5722.

According to Summit Racing they coil bind at 1.140 and have a ?lbs/in rate.

These have a 110-120 lbs seat pressure.

So my gut is no the ones you linked won't work. (but I did not do the math on the lift either.)

Additionally I would try to get a spring / retainer set to minimize installation/set up issues.

Did you cam come with a "cam card" and does it specify valve spring specifications? If not I would call Melling and ask for them, if they can't give you specs I would return the cam and get one and the matching springs/retainers for it. Unless you can get someone (barryR maybe) to help you. There is more to picking them than just lift.

"An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." -- Jeff Cooper

Robert 1972 F100 Ranger XLT (445/C6/9” 3.50 Truetrac)"An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." -- Jeff Cooper

So I've just learned how to take valves down and I'm pretty fascinated by the whole mechanism. I got a C-clamp compressor and took two valves out just to try. Went smooth.

A question: is it important to keep the order and put each valve and other parts in its initial spot? Or can I reinstall them randomly? Because keeping track of positions takes more work.