Kas,
Thanks for the info on the brace. We'll make one up and install it.
Simple and effective. "Elegant" as the engineers would say.
Tim
----- Original Message -----
From: "Kas Kastner" <kaskas@cox.net>
To: "Tim Murphy" <timmurph@fastbytes.com>; "Joe Boruch"
<jaboruch@netzero.net>
Cc: <fot@autox.team.net>
Sent: Saturday, August 09, 2008 12:10 AM
Subject: Re: [Fot] Intake manifold, long runner
> You make a nice little brace between the two carbs with sheet metal 1/16"
> plus then from the middle of the brace go down to the block at the flange
> of the oil pan with a brace made of a 3/8" steel tube. I made an
> adjustable screw at the bottom with a rubber pad on the end so that I
> could put just a tiny bit of compression on the tube. Worked like a
> charm.
> ----- Original Message -----
> From: "Tim Murphy" <timmurph@fastbytes.com>
> To: "Joe Boruch" <jaboruch@netzero.net>
> Cc: <fot@autox.team.net>
> Sent: Friday, August 08, 2008 4:05 PM
> Subject: Re: [Fot] Intake manifold, long runner
>
>
>>I did just that. Didn't have actual gussets put in but he did weld a nice
>>big
>> filet between the flange and the runner on top. Just about filled it in.
>> I
>> think we will also fashion some sort of support, which was suggested to
>> me but
>> I hadn't got to yet!! I've paid the price. Only problem now is the
>> flatness
>> of the flanges to the engine. I think I'll be okay using one of Uncle
>> Jack's
>> "crushable" manifold gaskets. If not I'll have to have the flange
>> skimmed on
>> a mill to straighten it out. Hate to take any more material off though.
>> What did the original factory manifolds and heads do to match ports?
>> Of
>> did they just live with the large port on the head and the smaller port
>> in the
>> manifold on the late TR4's and the TR4A? Really curious.
>> Thanks for all of the input and Terry's website with all the head
>> described with drawings was really nice.
>>
>> Tim
>>
>> P.S. Any suggestions on a support for the intake manifold with a set of 4
>> into
>> 1 headers?
>> ----- Original Message -----
>> From: Joe Boruch
>> To: timmurph@fastbytes.com
>> Cc: fot@autox.team.net
>> Sent: Friday, August 08, 2008 8:13 AM
>> Subject: Re: [Fot] Intake manifold, long runner
>>
>>
>> It is common for the manifolds to crack, especially since they are no
>> longer
>> supported by the exhaust manifold when using headers and because the
>> walls are
>> thin due to port matching. Have the cracks welded and then have gussets
>> welded to the top of each runner and they will not crack again. Joe(B)
>>
>> -- "Tim Murphy" <timmurph@fastbytes.com> wrote:
>> Are there two different types of long runner intake manifolds? I have
>> one
>> that has 1-9/16 inch dia. engine ports and one with 1-3/8 inch dia.
>> engine
>> ports. Both are marked "STANPART 305744". The one with the 1-9/16
>> ports
>> matches up to the head intake ports which are a bit bigger than 1-1/2
>> inch.
>> According to the Moss catalog there is only one long runner intake
>> manifold,
>> which is used on late TR4's and TR4A's. I either have to have the
>> cracks
>> welded in the 1-9/16 one that I have, open up the ports on the 1-3/8 one
>> I
>> have to match the head ports or find another 1-9/16 one to match the
>> head
>> ports. Anybody have a 1-9/16 port manifold they are willing to part
>> with?
>> Are these all modified 1-3/8 port manifolds?
>>
>> Thanks
>> Tim
>> 1961 TR4 #317
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