Seems obvious that the phenolic spacers were rattling....
On 3/25/2017 9:56 AM, Michael Oritt wrote:
> Bob--
>
> After further consideration--as well as impatience and laziness--I
> decided to skip the spacers. As you say, fitting the CAB is difficult
> enough without pushing everything further out under the shroud.
>
> Just took car for a shakedown and all seems good. In the process of
> removing, rebuilding and refitting the carbs I also managed to lose an
> annoying rattle that would only appear under acceleration between 3000
> and 3500 rpms. It has been there for about five years and no matter
> what I did I could not find its source. Good riddance!
>
> Best--Michael Oritt
>
> On Sat, Mar 25, 2017 at 12:03 PM, Bob Spidell <bspidell at comcast.net
>
> And, the CABs are a PITA to remove and attach WITHOUT any more
> spacers (probably why so many original ones are missing). We got
> a repop for our M, but I'm considering installing some other type
> of filter for normal, 'daily' use.
>
> Bob
>
>
> On 3/25/2017 7:00 AM, Michael Oritt wrote:
>> Bob--
>>
>> To clarify, the kit came with four phenolic blocks or spacers.
>>
>> Two are square with scalloped sides and four holes and mount
>> between the carbs and the intake manifold face.
>>
>> Two more are diamond shaped with two holes each to accept bolts
>> to mount either air cleaners or a CAB.
>>
>> I assume they would provide some insulating value to minimize
>> heat transfer from the carb body to the filter or CAB but I
>> really cannot see that this would have any effect on the
>> temperature of inlet air.
>>
>> Best--Michael Oritt
>>
>> On Sat, Mar 25, 2017 at 7:48 AM, Bob Haskell
>>
>> Michael,
>>
>> The the phenolic spacers are insulators. On other cars they
>> would be installed between the manifold and the heat shield
>> and/or the heat shield and the carbs.
>>
>> But these match the CAB side of the carb body, not the
>> manifold side? Interesting.
>>
>> Not much help, sorry.
>>
>> Cheers,
>>
>> Bob Haskell
>> AHCA 3000 MkI registrar
>> http://www.ciahc.org/registry_3000mk1.php
>> <http://www.ciahc.org/registry_3000mk1.php>
>>
>>
>> On 03/24/2017 10:40 PM, Michael Oritt wrote:
>>
>> I am reinstalling the H6 carbs after rebuilding them and
>> I hope to wrap
>> up everything tomorrow. The Moss kit came with two
>> phenolic spacers
>> about 3/8" thick that mount to the outer face of the
>> carburetor bodies,
>> assumedly between the face and the air cleaners.
>>
>> My car is a Le Mans and cold air box was mounted directly
>> to the carbs
>> without any blocks. Using them would make it just that
>> much more
>> difficult to get the cold air box and the hose and hose
>> adaptor in
>> place. It would also result in the fuel bowl overflow
>> tubes not reaching
>> the grommeted holes in the box.
>>
>> What function do the blocks serve, are they normally
>> found when CAB's
>> are mounted (as opposed to air cleaners) and if so what
>> harm might be
>> caused by not using them?
>>
>>
>> _______________________________________________
>>
>
>
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--
Mike
MGTD (long gone)
BN1 (long gone)
BN2-100M (gone but in good hands)
BJ8
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