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· Premium Member
22,931 Posts
I was just discussing a new lifter choice with Mike today...
Removed a 3 year old set of Red Zones over the weekend...all look just fine. LOTS of street miles and a "dozen" or so track runs. Spring pressures within the 300/800 range.
Was inquiring about rebuilding the RZ's or replacing.

· Registered
535 Posts
that 632 is the ONLY problem i've ever heard of with the ez rolls

with just a few runs on the dyno,there was a problem???

2 things i see are:

big chief heads requiring an offset lifter

dry sump [maybe too much vacuum?]

ROWDY has a more realistic engine combo that has 4000+ miles and lots of passes using the ez rolls
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