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Re: Piston top thickness [Re: RapidRobert] #1417942
12/07/13 11:54 PM 12/07/13 11:54 PM
Joined: Dec 2013
Posts: 403
Romulus, MI
GTS340 Offline
mopar
GTS340  Offline
mopar

Joined: Dec 2013
Posts: 403
Romulus, MI
Quote:

Hey I am a stickler for accuracy & I am wrong on occaision. I'll check that site out. EDIT I'm thinking (Area X Pi X radius squared) times .035" would be the addit'l volume removed then you'd convert from cubic inches to CC's then you'd add that number to the original valve relief CC amount. Sound good or bogus?



If the floor of the valve relief were parallel with the piston top, or if the existing relief is deep enough that it is a full diameter that would work but on a small block the valve reliefs are 18 degrees from being parallel and generally not deep enough to be a full diameter. Or just break out the burette and piece of Lexan if they are flat tops.
Re: Piston top thickness [Re: GTS340] #1417943
12/08/13 01:16 AM 12/08/13 01:16 AM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
R
RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
Quote:

or if the existing relief is deep enough that it is a full diameter that would work.

Alright now I grasp the tilted cyl in the site

live every 24 hour block of time like it's your last day on earth
Re: Piston top thickness [Re: RapidRobert] #1417944
12/08/13 10:51 AM 12/08/13 10:51 AM
Joined: Jul 2009
Posts: 413
Norway (old world)
Oyvind Mopar Offline
mopar
Oyvind Mopar  Offline
mopar

Joined: Jul 2009
Posts: 413
Norway (old world)
I would have pulled that engine and find out all about the internals before doing anything destructive...Something is wrong, and small corrections may not be enough. My

Re: Piston top thickness [Re: Oyvind Mopar] #1417945
12/08/13 04:16 PM 12/08/13 04:16 PM
Joined: Jan 2003
Posts: 75,082
U.S.S.A.
JohnRR Offline
I Win
JohnRR  Offline
I Win

Joined: Jan 2003
Posts: 75,082
U.S.S.A.
Quote:

I would have pulled that engine and find out all about the internals before doing anything destructive...Something is wrong, and small corrections may not be enough. My



I might have first wondered why no reply 8 months ago before deciding to drag this one up from the dead .

But for the OP , I would have pulled a piston also , this sounds like a small block also ...
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