L33 with BTR stage 3 n/a PTV issues?
02-15-2019, 08:38 PM
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L33 with BTR stage 3 n/a PTV issues? Ok guys, I’ve searched and can’t find this exact setup anywhere. Is anyone running an L33 or any 5.3 with flat top pistons and no valve reliefs with a BTR stage 3 LS1/LS2 N/A cam? My heads have been milled .020 as well. I’m worried about piston to valve clearance, I got all the parts for next to nothing but don’t want to just destroy them. Should I be ok or no go?
02-16-2019, 08:10 AM
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That’s what I was thinking, I don’t have any solid lifters or anything like that to check with. Will the hydraulics collapse and give me a false reading? Also any idea what kind of clearance I need?
02-16-2019, 08:18 AM
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I had .040" intake and .060" exhaust and ended up cutting .030" valve reliefs with the setup in my sig.
02-16-2019, 10:03 AM
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That will keep the lifter from bleeding down any
EDit: just check the link above and that seems like a pretty good way to check!
02-16-2019, 10:52 AM
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Thanks guys. I’ll check measure it Monday before bolting the heads on. Hopefully I have enough clearance. Not wanting to machine more parts. Fingers crossed
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12-23-2021, 10:59 AM
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