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#1
04-12-2016, 02:13 PM
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LS5 to LS7/ZL1/L88 valve springs????
I have a set of stock 290s on my LS5 454.
i also have a set of valve springs that were removed from a 1970 LS7 which i believe are the same as the ZL1/L88 springs along with thelong slot rockers that I want/need to switch too in order to run a bit more camshaft. anyone know if these are direct swaps without machining required? Or will the spring pads need to be cut? also - setup to stock LS6 specs (using the valves that are in my 290s) what seat/open pressures do these guys provide? Cheers 
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#2
04-12-2016, 02:44 PM
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Re: LS5 to LS7/ZL1/L88 valve springs????
The springs should work without any modifications.
I thought that the spring pressure should match your lift. For example.....a .520 lift needs 520 lbs./inch I would contact Comp Cams or equivalent and get their advice. Kurt
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 1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#3
04-12-2016, 09:34 PM
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Re: LS5 to LS7/ZL1/L88 valve springs????
[email protected]
(937) 836-5927 Contact Eric Jackson here on the SYC...he knows his way around a BB Chevy. wilma [img]<<GRAEMLIN_URL>>/biggthumpup.gif[/img]
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