XP camming the motor this month buying Springs today want to know which Springs you guys prefer 105 or 130? Can I run a stock chain with either? And can I run stock pushrods? Thanks!
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XP camming the motor this month buying Springs today want to know which Springs you guys prefer 105 or 130? Can I run a stock chain with either? And can I run stock pushrods? Thanks!
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Cool thank you sir
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Many say to go 130's to take full advantage of the xp's upper rpm power. But, either or would work. A stock chain will be fine for a good while, but eventually would need to be replaced along with the dampener.
Last edited by crbquist; 10-05-2013 at 06:51 PM.
Could I use 130# springs with a stock chain?
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130lbs springs for XP hot is complete overkill... its not a big cam
Not really, that depends on more variables than just the cam.
The XP needs 105s at a minimum. I think the reason most people get away with them is because install height in our cars is usually 1.78 with the retainers we use, not the rated 1.8. That makes the seat pressure a little higher.
To really handle the XP though, 130s are more desirable... especially on higher horsepower builds.
I used to think it didn't really matter... until I saw dyno graphs from various (and my own) setups, showing the 130s helped carry the power a little higher.
So 130# springs with a double roller?
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If I were you do the double roller now. Wether you use the 105s or 130s better to be safe. But get a double roller timing chain installed.
Yeah you're right... the difference is so small that there's pretty much no way anyone would be able to decipher between the two.
Yeah I feel a lot a members on the forum run single chains with no problem but I'll be safe then sorry.. I've heard that i have to machine the oil pump cover along with using 2 front cover gaskets iirc would I or could I just "install" one?
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Machine the gear and the cover, run 1 gasket.
Thanks would you guys use the cam install kit from zzp or just piece your parts from rockauto?
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