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V8 Intake manifolds - Differences


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#1 _rohan_

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Posted 18 July 2006 - 10:56 PM

Ive got an LH with a red 253 in, that is running a 2-barrel manifold.
It has the EGR port, but its blanked off, and it has the heat tubes for the auto choke.
There is a single bolt hole next to the EGR port & heat tubes, and a single bolt hole on the opposite side of the carby

I picked up a 4 barrel manifold at a Wreckers, but the manifold has two bolt holes next to the EGR, and two on the opposite side of carby mount.

Is this a later model manifold?
Is it useless on my red engine? Or can it still be bolted up?

The wrecker had a pre-pollution manifold there aswell, but it looked different again. No mount for heat tubes or EGR port.

Anyone know what I need to get?

Thanks
Rohan.

#2 TerrA LX

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Posted 18 July 2006 - 11:03 PM

yes and without mods, yes.

there should be a part number on it.

there are three main polution manifolds L shape port, square port and U port.
look for one with the same port and bolt hole.

also if buying second hand check the water passage section preferably with a screwdriver and dig it in a bit as the corossion may not be quite thru yet but only last a couple of months in service.

Edited by ALX76, 18 July 2006 - 11:07 PM.


#3 _rohan_

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Posted 19 July 2006 - 06:43 PM

Thanks for the reply.

I'll take the manifold back and try and chase up another.




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