Re: 2.19 INTAKE VALVE IN EDDY PERFORMERS???
[Re: Thumperdart]
#1109987
11/09/11 03:15 AM
11/09/11 03:15 AM
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Joined: Nov 2004
Posts: 2,825 Sk. Canada
RemCharger
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master
Joined: Nov 2004
Posts: 2,825
Sk. Canada
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Quote:
as long as the rest of the port can support it. If I get 8-10 cfm(16-20 hp),I`ll be good with that cos I need every hp I can get to get my 9.78 timeslip.
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Re: 2.19 INTAKE VALVE IN EDDY PERFORMERS???
[Re: tboomer]
#1109991
11/09/11 10:09 AM
11/09/11 10:09 AM
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Joined: Jul 2010
Posts: 2,091 Delray beach, Florida
Performance Only
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Joined: Jul 2010
Posts: 2,091
Delray beach, Florida
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don't forget t make sure your pistons valve reliefs will handle the 2.190 valve radially. some do, some don't.
machine shop owner and engine builder
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Re: 2.19 INTAKE VALVE IN EDDY PERFORMERS???
[Re: Labratt]
#1109993
11/09/11 12:07 PM
11/09/11 12:07 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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My ... you won't notice the difference anywhere except for your bank balance. Unless Jeff K says differently (and his experience obviously far exceeds mine), your combination isn't going to see a significant benefit from a increase in valve size. And if you don't spend the additional $$$ on bigger valves, that'll leave you w/ that much more $$$ to buy a new carburator (unless you've already made that purchase).
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Re: 2.19 INTAKE VALVE IN EDDY PERFORMERS???
[Re: BradH]
#1109994
11/09/11 12:12 PM
11/09/11 12:12 PM
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Joined: Feb 2003
Posts: 1,646 Ontario,Canada
firefighter3931
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Joined: Feb 2003
Posts: 1,646
Ontario,Canada
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Quote:
My ... you won't notice the difference anywhere except for your bank balance. Unless Jeff K says differently (and his experience obviously far exceeds mine), your combination isn't going to see a significant benefit from a increase in valve size.
And if you don't spend the additional $$$ on bigger valves, that'll leave you w/ that much more $$$ to buy a new carburator (unless you've already made that purchase).
Leave the 2.14's in there and save for a new carb
I'd also have MCH flow a few ports before & after to see what improvement you could/should expect with the cnc work
Ron
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Re: 2.19 INTAKE VALVE IN EDDY PERFORMERS???
[Re: tboomer]
#1109998
11/09/11 01:12 PM
11/09/11 01:12 PM
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Joined: Jan 2003
Posts: 9,875 Weddington, N.C.
Streetwize
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Posts: 9,875
Weddington, N.C.
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I'd call Patrick and get you a tweaked Pro-Systems 1000hp 4150, I have 2 of them (one on my 517BB and one on my 414SB) and they are night and day over an OOTB unit for not much more $$$. As said the 2.19 will tend to pick up the mid range and on a big block they would typically have a similar effect on torque to running a 4-8 degree larger @.200 duration cam. The gains on a conventional height BB port tend to be limited by the short turn and low runner height, not to mention the relatively poor valve to piston wall (shrouding) clearance, so a bigger valve doesn't always help as much (% gain) on a BB standard port head as you might see with a raised port Max Wedge. I've run 2.25's in an old set of 67' 915's but it was tight and if I didn't notch the bores I doubt it would have helped at all over a 2.19.
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