Intake Manifolds ?
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Posting Guru
Joined: Dec 2000
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From: Racine WI
Intake Manifolds ?
Any auggestions on an Inatke manifold for my mild 390 ? I read the Edelbrock performer 390 was a dog, the performer rpm would probably be better but is kind of pricey, Weiand or Offenhauser maybe ? possibly the stock cast iron one could be used, its a 1965 casting if that matters.
What are you guys runnin on your FE's ?
What are you guys runnin on your FE's ?
Post Fiend
Joined: Feb 2001
Posts: 6,624
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From: Missouri
Intake Manifolds ?
The performer isn't much better than stock, the weiand has no advantages that I have heard of. Its a single plane, but is a very low rising intake. Which equals less throttle response than the performer RPM and probably less power. I don't know much about the offy's. I would either go and find a 390GT or a 428 CJ intake or spend the cash on the performer rpm.
Senior User
Joined: Jul 2001
Posts: 298
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From: Oztralia
Intake Manifolds ?
I have a Weiand manifold and would not recommend it, except as a basis for a blower manifold.
I have an old Offy dual-port I put in the same class
I think the Edlebrock Victor is excellent - but not for a card on street engine - efi would be good.
The Edlebrock dual planes need to be slected according to desired usage.
I have a Holley X type manifold for my injection setup and it is pretty good - was pretty good with a carb but not a lot below 2400 rpm
The Edlebrock streetmaster was a similar design
In OZ and seeking 427block /428crank
Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
Intake Manifolds ?
I run with the Edel RPM and can recommend it. Better to spend more money now then regret it later.
If your knuckles ain't bleeding you did something wrong.
'72 F-250 "Hi-Boy" 4x4, Dana 60/HD44, FE428 @ 400+ ponies , NP435 4-speed, custom suspension w lift, mud on black.
If your knuckles ain't bleeding you did something wrong.
'72 F-250 "Hi-Boy" 4x4, Dana 60/HD44, FE428 @ 400+ ponies , NP435 4-speed, custom suspension w lift, mud on black.
Cargo Master
Joined: Jul 2000
Posts: 2,281
Likes: 18
From: Northern California
Intake Manifolds ?
The RPM is a pricey piece, but you should consider that the FE intake is very large and changing the intake makes more of a difference that probably any other V8 engine just because of how wide the intake is. The Performer 390 is supposed to be a alum version of the 390GT S code intake and not that great of a choice for performance apps.
Tuned
Joined: Jul 2001
Posts: 430
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From: Deatsville, AL
Intake Manifolds ?
Look for an old Edelbrock F427. Those things work real well; I wouldn't take the time to install any of the other Edelbrock's unless I was building a low RPM motor for towing.
Bob
'66 7 Litre, top loader, 3.25 Traction-lock, Sidewinder Intake, SCJ Exhaust
'88 F150 LWB 4x2, XLT Lariat, 302, 5 speed, 3.08
'99 Ranger, 4x2, 3.0, 5 speed, 3.73 posi
Bob
'66 7 Litre, top loader, 3.25 Traction-lock, Sidewinder Intake, SCJ Exhaust
'88 F150 LWB 4x2, XLT Lariat, 302, 5 speed, 3.08
'99 Ranger, 4x2, 3.0, 5 speed, 3.73 posi
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Posting Guru
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From: Racine WI
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Senior User
Joined: Jul 2001
Posts: 298
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From: Oztralia
Intake Manifolds ?
I might keep the cast iron Ford piece, who knows
Your back will appreciate you going for an alloy manifold :^)
In OZ and seeking 427block /428crank
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Senior User
Joined: Jul 2001
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From: Oztralia
Intake Manifolds ?
well I guess I'll have to spring for the performer rpm then
I suggest the performer unless you want top end and can put up with the "gooey -er" low rpm. CI to weigth ?
In OZ and seeking 427block /428crank
Elder User
Joined: Jun 2012
Posts: 850
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From: Florida
Since this post was first started a long, long, long time ago, Jay Brown wrote a book testing over 40 intakes on 6 engines
http://ep.yimg.com/ca/I/yhst-4987827..._2271_32486863
Survival Motorsports News and Literature
There are a lot of popular myths about what works and what doesn't that gets exposed.
http://ep.yimg.com/ca/I/yhst-4987827..._2271_32486863
Survival Motorsports News and Literature
There are a lot of popular myths about what works and what doesn't that gets exposed.
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