Will these Springs support .630 Lift ??

[Katmandu]

Will these Springs support .600 Lift ??

.....Custom Hydraulic Roller is the cam specs are 236/248 duration .578/.598


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[StangFireman]

I think you'll be pushing it very close since open the height is 1.8 and bind is at 1.195 That only gives you .605 between them.

 

[Daggar]

Your rocker ratio is going to come into play as well. You planning on 1.6 or 1.7? I would imagine that if the cam is ground the way you want it that you'll be using stock ratio?

 

[Katmandu]

I think you'll be pushing it very close since open the height is 1.8 and bind is at 1.195 That only gives you .605 between them.

Got ya. I see how the #s work NOW!

I'm learning!

BTW, I did just find this info that shows the springs are good for at least .600

http://www.motorpartscentral.com/ProductModelDetail.cfm?ProductModelId=2277


That info shows the Springs application is for Cleveland series engines. ???? The dude I bought them from pulled them off a Small Block. Any problems here ??

Also, with my Cam having a .598 Lift on Exhaust. is the .002 or .007 from BIND too close for comfort or are they gonna be OK ???

TIA!!

-ERIC

 

[Katmandu]

Your rocker ratio is going to come into play as well. You planning on 1.6 or 1.7? I would imagine that if the cam is ground the way you want it that you'll be using stock ratio?

I'm going back to 1.6s. My 1.7RRs are now on EBay.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=7990877399

 

[StangFireman]

For me personally, I think it's too close. But it sounds like you bought them and you're pretty much stuck with using them, unless you can sell them.
If it were my motor, I'd give the cam company a call and get the setup they recomend. But that's just me.