Intake manifold
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Cross-Country
Joined: Nov 2000
Posts: 73
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From: Utah
Intake manifold
I am looking at going to a 4V carb on my 1978 351M and was wondering what your opinions are on what the best combination of carb and manifold would be. My engine is completely stock and has no emmisions crap. I am going to eventually convert it to a 400. I don't want a hot rod just something streetable with a little more go.
Thanks,
Terry
Thanks,
Terry
Posting Guru
Joined: Aug 2000
Posts: 2,416
Likes: 4
From: PacNW
Intake manifold
Edelbrock only makes 2 flavors of manifold for the M series, Performer and Performer EGR. Both are dual plane but the EGR comes with an adapter for the stock 2V and EGR system. To put on a 4V and still keep the EGR you will need to get the 4V EGR adapter. Otherwise just go with the non EGR Performer. Stay away from the S2P2. It's an old design that they quit making years ago. There have been quite a few for sale on eBay and even the guys at Edelbrock recommended staying away from it.
New User
Joined: Apr 2001
Posts: 10
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Intake manifold
I HAVE AN EDELBROCK STREETMASTER 4V WITH E.G.R. PORTS{BRAND NEW-18 YEAR OLD MODEL} THAT I NEVER BOLTED ON. EX-WIFE WANTED THE RANCHERO GT(ONLY BECAUSE IT WAS MINE)SO I GOT THE HOUSE.ANYWAY,FLAT TOP PISTONS ARE YOUR "ONLY" CHOICE, BUT WITH A MILD GRIND LIKE A 266 TO 270 DURATION & 510 TO 530 LIFT YOU'LL HAVE A FAIRLY NUTSY COMBO.
Posting Guru
Joined: Aug 2000
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From: PacNW
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Fleet Mechanic
Joined: Feb 2001
Posts: 1,290
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From: Toronto, Canada
Intake manifold
If the wife wants the car, I think that we should tear the friggin thing apart and tell her she can pick it up whenever she wants, but its in pieces!
If some witch wants to take my truck, thats what I'm gonna do
1978 F250 4x4 - 351M
Don't crush them, restore them!
If some witch wants to take my truck, thats what I'm gonna do
1978 F250 4x4 - 351M
Don't crush them, restore them!
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Posting Guru
Joined: Aug 2000
Posts: 2,416
Likes: 4
From: PacNW
Intake manifold
Currently Edelbrock only sells 2 different manifolds for the 341M/400 motor, the Performer and Performer-EGR. Look it up for yourself dipstick. Nobody wants to buy an 18 year old piece of crap from you anyway. If you're that desperate to sell it then put it in the classifieds.
Junior User
Joined: Jan 2000
Posts: 92
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Intake manifold
There is (or was) a Weiand dual plane manifold available for the M block, that might be better for higher rpm power. Someone posted a link to a blower manifold a few weeks ago and you can use any 351c manifold with a set of adaptors. For the purposes of the original question the answer is probably either of the Edelbrocks or the Weiand.
