| Re: [GMCnet] GMC STOCK CAST IRON INTAKE [message #352796] |
Sun, 15 March 2020 23:53 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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The height is same as stock and the exhaust is blocked.
The unit fits wery well as compared to the older
models.
Go to our web site as see.
On Sun, Mar 15, 2020 at 9:50 PM Jim Kanomata wrote:
>
>
> On Sun, Mar 15, 2020 at 9:47 PM Jim Kanomata
> wrote:
>
>> We supply the AL Intake manifold that is custom machined to fit the
>> Motorhome a
>>
>> On Sun, Mar 15, 2020 at 6:51 PM Jon Roche via Gmclist > gmclist@list.gmcnet.org> wrote:
>>
>>> I am no expert, and maybe someone can put the engineering thoughts to
>>> the exact number. But my opinion there is very little to gain in
>>> performance
>>> by switching to any different manifolds. we run lower rpm, so really
>>> do not need huge flow. I am sure there is some improvement, but not sure
>>> it
>>> is worth anything. The reason to change manifolds is all based on other
>>> factors.
>>>
>>>
>>> my observations, is that many of the original manifolds are coming up
>>> cracked. So the idea of new manifold is appealing. People install block
>>> off
>>> plates, and also fill the crossover, but if you can buy a new manifold,
>>> why not? last year I seen a stack of 7 cracked manifolds, and at that point
>>> the GMC'r decided to order up the aluminum one rather then keep trying
>>> to see if manifold #8 or 9 was any good.
>>>
>>> I see many edlebrock performer manifolds installed. I have also seen
>>> people machining the carb surface to get it more level and also allow for a
>>> little more clearance.
>>>
>>> if you want to stick with the stock air cleaner, clearance is an
>>> issue. The stock manifold and the aluminum one that seems to be now
>>> sourced through
>>> mondello, keep that profile so you have more clearance and should not
>>> need to raise the hatch of a 455 engine coach. Even with my EFI,
>>> clearance
>>> is very tight to get the remote air cleaner to fit. just having a
>>> little thinner adaptor plate made a difference.
>>>
>>>
>>> --
>>> Jon Roche
>>> 75 palm beach
>>> EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
>>> St. Cloud, MN
>>> http://lqqkatjon.blogspot.com/
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
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>>>
>>
>>
>> --
>> Jim Kanomata
>> Applied/GMC, Newark,CA
>> jimk@appliedairfilters.com
>> http://www.gmcrvparts.com
>> 1-800-752-7502
>>
>
>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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