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335 Series- 5.8/351M, 6.6/400, 351 Cleveland
need more power

need more power

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Old

Jul 19, 2004 | 07:42 PM

#1

78_ford_F150

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Senior User

Joined: Apr 2004

Posts: 116

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From: canada

need more power

i was thinking if i got a set of headders could i put the gasket on the head and grind the ports till they fit or would that get into the water jakets. is this posibale or just a stuped idea would it help the hp or tq.

any info would be good

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Old

Jul 20, 2004 | 03:55 AM

#2

Torque1st

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Joined: Sep 2001

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As a general rule do not gasket match. Leave the ports alone unless you are experienced and have access to a flow bench.

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Old

Jul 20, 2004 | 09:40 AM

#3

beartracks

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Joined: Nov 2000

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From: Albuquerque

If doing it on the engine I wouldn't even think about it.

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Old

Jul 20, 2004 | 07:19 PM

#4

78_ford_F150

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From: canada

the heads are off and i am sending them away to get rebuilt after

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Old

Jul 20, 2004 | 09:39 PM

#5

Torque1st

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Unless you know what you are doing leave them alone. The Cleveland style heads used on the 351M or 400 flow better than most anyway.

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