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-   -   Want to use stock 1970 Z-28 springs, but spring seat pockets machined to ~1.47" (http://67-72chevytrucks.com/vboard/showthread.php?t=750108)

mattfranklin 11-08-2017 04:54 PM

Want to use stock 1970 Z-28 springs, but spring seat pockets machined to ~1.47"
 
I bought a pair of ~1970 Chevy small block heads (camel hump, 2.020/1.600 valves, casting # ‘186) for my truck.
The spring seat pockets have been machined to ~1.47” diameter for dual springs.
Can I still run stock 1.241” diameter springs with these heads (as long as I use shims that fit the pocket)?

Or do I have to buy some locators or spring cups to stabilize the bottoms of the springs.

I want to use the 3911068 stock Z-28 springs or equivalent. The plan is to use stock 1970 Z-28/LT-1 parts or equivalents as much as possible.

hjewell2 11-11-2017 05:41 PM

Re: Want to use stock 1970 Z-28 springs, but spring seat pockets machined to ~1.47"
 
yes you can


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