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Topic: which heads??
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NEIGHT
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Member # 8741
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I am no engine builder but I like to think things through in my head of what would work and what wouldn't. I'd say lift has absolutely no role in PTV clearance because I see it like this. The valve(s) can open as far as they want or can what matters is when it opens at it's peak so I'm guessing that's overlap N duration, as long as the piston isn't at TDC when the valve is fully open it shouldn't matter, right? I don't know like I said that's just my guess on this whole thing, I hope one day to build my own motor from a bare block to the end. ![[patriot]](graemlins/patriot.gif)
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18531 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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Tom Renzo
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Member # 13165
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NOPE the intake is the closest at or around 5*-15* ATDC. The exhaust is the closest at or around The 5*-15* BTDC. This is on the fifth cycle of engine rotation. Whenever the lift is increased in most cams the overlap lifts are higher. This is because the acceleration ramps are more aggressive, So normally more lift means more lift across the board on the cam profile. Is this clear enough!
[ 2014-01-21, 05:17 PM: Message edited by: Tom Renzo ]
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I spend money i don't have. Building cars i don't need. To impress people i don't know.
Posts: 557 | From: CT | Registered: Sep 2013
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NEIGHT
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Member # 8741
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posted
quote:
Originally posted by Tom Renzo:
NOPE the intake is the closest at or around 5*-15* ATDC. The exhaust is the closest at or around The 5*-15* BTDC. This is on the fifth cycle of engine rotation. Whenever the lift is increased in most cams the overlap lifts are higher. This is because the acceleration ramps are more aggressive, So normally more lift means more lift across the board on the cam profile. Is this clear enough!
No it's not clear enough fucktard. I CLEARLY said I am no engine builder so it was just a fucken guess I don't need your smart remarks. ![[Roll Eyes]](rolleyes.gif)
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18531 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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Duncan Motors
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Member # 7045
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lol nieght he wasn,t talking to u lol please dont ban him hes helpfull if he dont get side tracked.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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Tom Renzo
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Member # 13165
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posted
I was not being a wise guy. Just trying to make a point and it was not directed at anyone. Is there a reason i am what you called me. That was not very nice at all. Duncan normally i do not get what was it. Oh yes SIDE TRACKED. Sometimes i fix dog tracking but what is side tracking. Just messing around be COOL GUYS!!
Note if it was not clear enough i would have gone in to more detail. It was not meant to be a wise crack. There is so many things to know about cams it is ridiculous. i have been messing with them for years plotting them dynoing them so on and so forth Thank YOU!!
What is a FUCKTARD??? Never heard that one before!!!
[ 2014-01-23, 02:36 PM: Message edited by: Tom Renzo ]
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I spend money i don't have. Building cars i don't need. To impress people i don't know.
Posts: 557 | From: CT | Registered: Sep 2013
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redvenom
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Member # 12651
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quote:
Originally posted by Tom Renzo:
What is a FUCKTARD??? Never heard that one before!!!
a fucking retard.... He is insulting you because hes taken offence of what you said ...... Is that clear enough ![[Big Grin]](biggrin.gif)
[ 2014-01-24, 01:12 AM: Message edited by: red5o ]
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1990 Gt
Some what stock
1993 GT vert-(stolen)
Posts: 623 | From: cali | Registered: Dec 2012
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Tom Renzo
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Member # 13165
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posted
CRYSTAL!!!
crystal clear - transmitting light; able to be seen through with clarity; "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent crystal"
Or crystal clear on how PV clearances work!! I think??? Thanks . Sorry for the confusion. Carry on folks!
[ 2014-01-24, 03:41 PM: Message edited by: Tom Renzo ]
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I spend money i don't have. Building cars i don't need. To impress people i don't know.
Posts: 557 | From: CT | Registered: Sep 2013
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