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06-14-2015, 04:13 PM
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#1 |
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Senior Member
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Location: Mahopac, NY
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Re: Clearance piston to valve
Mark you have a pm.
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Joe DeMarzo 1317 STK |
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06-14-2015, 04:45 PM
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#2 |
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Re: Clearance piston to valve
deck is .015 gasket .039 total .054.
but i want know? Have you ever seen this in stock eliminator for a hydraulic roller cam? |
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06-14-2015, 06:36 PM
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#3 |
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Re: Clearance piston to valve
Late model LT-1 minimum total deck with gasket is.062" IIRC. Your short .008" and would fail a tear down. I had one and built my own engine and had plenty of clearance with CP pistons and a Bullet cam. That cam was pretty aggressive so it seems odd to me you would have so little clearance.
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Rich Biebel S/C 1479 Stock 147R Last edited by Rich Biebel; 06-14-2015 at 06:40 PM. |
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06-14-2015, 07:21 PM
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#4 |
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Senior Member
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Re: Clearance piston to valve
Same thing I was thinking Rich.
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Lee Valentine 1661 STK |
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06-14-2015, 07:52 PM
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#5 |
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Junior Member
Join Date: Oct 2012
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Re: Clearance piston to valve
I run with with Fel-Pro 9966 pt the thickness is .049 not .039 (it is my mistake) But it changes nothing to my question.
Rich ... you don't need to swear at me |
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06-14-2015, 07:52 PM
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#6 |
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VIP Member
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Re: Clearance piston to valve
It's been quite a while since I had that LT-1 Stocker Lee but I do recall doing that engine and being real happy I did not have to worry about a tight P-V issue. Still wish I had one as they are great fun to drive. Not fun to work on! Swear at you ? I don't have a clue as to what that statement means.
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Rich Biebel S/C 1479 Stock 147R Last edited by Rich Biebel; 06-14-2015 at 07:57 PM. |
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06-14-2015, 08:51 PM
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#7 |
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Re: Clearance piston to valve
To answer your original question: I would not try to run it that close. Closest I have ever run my SS LT1 is .036" intake (I prefer .040") and .065" ex, measured with checking springs, using a dial indicator, not clay.
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Ed Wright 4156 SS/JA |
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06-14-2015, 09:08 PM
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#8 |
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Re: Clearance piston to valve
ghost, Did you check valve clearance with valve springs that you are going race with? you need a solid roller lifter the same height as your hydraulic roller to check cam lift & valve clearance, you will have more valve clearance with heavy springs. Tom
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Tom Moock 5704 STK |
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06-14-2015, 09:35 PM
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#9 |
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Junior Member
Join Date: Oct 2012
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Re: Clearance piston to valve
Thanks for your help
tomorow, i check again with my race springs and solid lifters with same height |
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