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335 Series- 5.8/351M, 6.6/400, 351 Cleveland
Weiand Intake Problems

Weiand Intake Problems

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Old

Jul 2, 2014 | 07:48 PM

#16

BuzzLOL

Laughing Gas

Joined: Dec 2012

Posts: 801

Likes: 7

From: Toledo, Ohio

. Ran into similar problem with my Mercruiser 351W boat engine, don't think Merc ever changed the HP rating after Ford started blocking 3/4's of the exhaust port with an air injection boss(unused in boat engines back then)... bigger head combustion chambers... smaller valves...

. Does that porcelain throne really have a Holley float, inlet valve, butterfly, booster, and flush jet in it...? Do you choke over it?

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Old

Jul 2, 2014 | 08:30 PM

#17

Gary Lewis

Thread Starter

|

FTE Legend

Joined: Jul 2010

Posts: 32,875

Likes: 48

From: Northeast, OK

Those exhaust bumps were huge. I ported a set of W heads and left a 2bbl and the thing ran like it had a 4bbl on it. Would wind right on up.

As for the throne, it seems like a Holley 'cause the float leaks and it uses a lot of liquid.

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Old

Jul 3, 2014 | 12:02 AM

#18

BuzzLOL

Laughing Gas

Joined: Dec 2012

Posts: 801

Likes: 7

From: Toledo, Ohio

. Yeah, ported W heads out till I struck water... gave a good boost in power... still a quantum leap more in power though when I added World Windsor Sr. heads...

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Old

Sep 26, 2022 | 04:21 PM

#19

BD2064

4wd Low

Joined: May 2022

Posts: 11

Likes: 0

Was any of your carb bolt

Where any of your intake carb stud holes drilled to far into the intake and does yours have a weird milled surface that leans towards the front

And, I weighed the manifolds: Eddy Performer 400 = 15 lbs; Chinese Weiand 8010 = 17 lbs; US-made Weiand 8010 = 21 lbs. Let the buyer beware.[/QUOTE]

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Old

Sep 26, 2022 | 05:52 PM

#20

BuzzLOL

Laughing Gas

Joined: Dec 2012

Posts: 801

Likes: 7

From: Toledo, Ohio

Carb. surfaces lean forward because engines lean back...

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