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Author
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Topic: Question for Kid V
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 11-18-2004 11:02 PM
  
This question is mainly for Kid Vishus, although anyone who wants to jump in please do. Kid, I read a post about your experience with a performer manifold and an Xcelerator manifold on your 351C 2V. My car is a 71 Mach one originaly equipped with a 351 2v, FMX auto trans, 3.00 gears. I have had the car since college (1975).
The engine has been completely rebuilt .030 over, align bored, balanced, new 9.5 pistons, ARP bolts, comp cams 292H cam, Ford racing roller rockers, full length headers, 2.5 in. pipes with X pipe and flowmasters. Msd 6AL box, Msd billet dist., double roller timing chain, BG 650
Mighty Demon and performer intake with a 1 inch four hole spacer.
The heads were gone through with new valves and seats, but were not ported.
My question is will the Xcelerator intake be a noticable improvement without any port work done to the heads? Also the ports on this manifold (2V) appear to be larger than the ports on the heads. Will this work properly?
By the way,I have changed to a Tremec 3550 5 speed and 3.89 gears. What shift points would you recommend. I use the car mainly to have fun on the streets on weekends. Thanks for any input.
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kid vishus
Gearhead Posts: 6098
From: middle of NC
Registered: Oct 2000
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posted 11-19-2004 07:51 AM
When I changed mine, my 2v heads had minimal porting, and were not gasket matched. They were the first set I ever touched with a grinder, and what little work was done to them was done under the valve. On my car, shifting at 5400-5500 rpm, it ran high 13's with the performer (around 13.80 is the number that sticks in my head.) With a simple intake swap, it ran low 13's, still shifting at the same rpm (13.20's is what I remember.) If I get a chance, I'll dig that old log book up and see what it really ran. I would think your motor would be 'happiest' shifted up around 6k after the intake change (the performer literally quits at 5500 rpm.) PS, my motor wasn't built very much. It was standard bore with a cheap rebuild kit from PAW, cast factory flat tops, stock rods with factory bolts, standard crank, Crower hydro cam, stock rockers, headers, and even still ran the factory single point distributor.
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jsracingbbf
Gearhead Posts: 2751
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 11-19-2004 09:02 AM
quote:
Originally posted by kid vishus:
PS, my motor wasn't built very much. It was standard bore with a cheap rebuild kit from PAW, cast factory flat tops, stock rods with factory bolts, standard crank, Crower hydro cam, stock rockers, headers, and even still ran the factory single point distributor.
But it ran like a scalded Ape!  ------------------
JS
"never submit yourself to scientific tests no matter how bad you need the money, for all you know they could have erased your memory and YOU WERE REALLY SOMEBODY BEFORE"
69 Mustang Pro ET Drag
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kid vishus
Gearhead Posts: 6098
From: middle of NC
Registered: Oct 2000
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posted 11-19-2004 06:49 PM
quote:
Originally posted by jsracingbbf:
But it ran like a scalded Ape!
That one really didn't. I don't consider low 13's terribly fast, especially one slicks.
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jsracingbbf
Gearhead Posts: 2751
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 11-19-2004 10:33 PM
quote:
Originally posted by kid vishus:
That one really didn't. I don't consider low 13's terribly fast, especially one slicks.
heck i thought you were talking about the last one, my bad.
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 11-20-2004 12:57 AM
Called Edelbrock today. Performer RPM Air Gap for 351 2V could be availiable as soon as the first of the year............I'll wait.
P.S., aluminum heads for Clevelands are on the way as well.
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kid vishus
Gearhead Posts: 6098
From: middle of NC
Registered: Oct 2000
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posted 11-20-2004 08:16 AM
IMHO, I'm not impressed with either of Edlebrocks newest offerings. The Xcellorator already acts like a tall dual plane intake. What is really needed is a good single plane race style intake for 2v heads (something that doesnt cost an arm and a leg like the aussie intakes), something modeled after the Victor intake line. And the heads they are offering don't appear as if they will flow much more, if at all better, than a properly ported set of iron 2v heads. The ONLY advantages they will have is they are aluminum, and they have a better combustion chamber.
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Mpcoluv
Gearhead Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001
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posted 11-20-2004 09:03 AM
quote:
Originally posted by kid vishus:
IMHO, I'm not impressed with either of Edlebrocks newest offerings. And the heads they are offering don't appear as if they will flow much more, if at all better, than a properly ported set of iron 2v heads. The ONLY advantages they will have is they are aluminum, and they have a better combustion chamber.
I am curious as well. I hope that they just didn't copy the iron 2V heads and make an aluminum version. Hopefully the heads will flow as much as the 185cc aftermarket "W" heads.....
A 190cc, 280cfm @ .600 lift head would be a great success IMHO.
[This message has been edited by Mpcoluv (edited 11-20-2004).]
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 11-20-2004 12:48 PM
Kid, I take it you would lean toward the Xcelerator over the the Air Gap? I do have one other option, and that is a freind of mine has either a street dominator or a strip dominator for a 2v. I forget which one it said it was. He has two of them, but both look like they're for a spread bore carburetor. Are they all like that? If so, would I use a spacer? Thanks.
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kid vishus
Gearhead Posts: 6098
From: middle of NC
Registered: Oct 2000
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posted 11-20-2004 02:06 PM
quote:
Originally posted by Mach won:
Kid, I take it you would lean toward the Xcelerator over the the Air Gap? I do have one other option, and that is a freind of mine has either a street dominator or a strip dominator for a 2v. I forget which one it said it was. He has two of them, but both look like they're for a spread bore carburetor. Are they all like that? If so, would I use a spacer? Thanks.
I am undecided about the airgap intake. I really just think it was a poor decision on their part when there already is a pretty good intake that fits in that same rpm range. Especially since used xcellorators can be picked up fairly cheap (cheap; something that the airgap probably wont be considered for quite some time.)
Nope, the dominator intakes use square bore carbs. They bolt right up without an adapter. I cant remember the exact reason for that strange plenum shape, but I beleive it had something to do with one of Ford's factory 4 barrel carbs being spread bore with a square bore bolt pattern.
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 11-20-2004 09:14 PM
How does the street dominator compare to the Xcelerator? I've found a used street dominator for $100.
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Mpcoluv
Gearhead Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001
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posted 11-21-2004 07:40 AM
From what I have seen the Windsor Air-Gap is a very good intake. However it is the same height as a 351W Victor Jr.
So the Cleveland Air-Gap intake may be very tall also. This may cause hood interference problems.
Air Gap Vs. Xcellerator?
Who knows yet. The Xcellerator has been proven over the years to be a good piece. Much like the 4V strip Dominator.
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 11-21-2004 10:57 AM
Thanks Kid V and Mpcoluv. Right now I'm leaning toward some head work and the Xcelerator. It's hard to argue with the results Kid V had on a somewhat similar motor. Who Knows, the new edelbrock may be a dud anyway. Thanks, again.
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