[Spridgets] Manifold flange thickness
Bob Spruck
raspruck at gmail.com
Tue Sep 8 07:34:06 MDT 2020
Take an appropriate washer, cut one in half and braze, weld, or JB weld
the half to a whole one and you have a stepped washer! Make a few spares
just in case.
Bob
On 9/5/2020 6:04 PM, Rick Fisk via Spridgets wrote:
> Since all 5 ports are right in a row only one gasket is used. Even if
> separate gaskets were used everything would have to be the same
> thickness because on 4 of the studs the nuts and washers are shared
> between two ports.
>
> Sent from my keyboard
>
>> On Sep 5, 2020, at 5:43 PM, derf <derf247 at gmail.com> wrote:
>>
>>
>> I sit corrected. It's been a while since I had a manifold off.
>> Seems like my Titan single HIF6 intake had a separate gasked, though.
>>
>> On Sat, Sep 5, 2020 at 4:39 PM Weslake1330 <weslake1330 at gmail.com
>> <mailto:weslake1330 at gmail.com>> wrote:
>>
>> On the A-series it should be a single gasket that seals both the
>> inlet and the exhaust ports at the head.
>>
>> On Sat, 5 Sep 2020 at 22:37, derf <derf247 at gmail.com
>> <mailto:derf247 at gmail.com>> wrote:
>>
>> I would carefully grind washers. Even if both flanges are the
>> correct thickness you will most likely have gaskets of
>> differing thicknesses.
>>
>> On Sat, Sep 5, 2020 at 4:31 PM Weslake1330 via Spridgets
>> <spridgets at autox.team.net <mailto:spridgets at autox.team.net>>
>> wrote:
>>
>> I would contact Maniflow and ask them what the correct
>> thickness is to establish if the exhaust is incorrect or
>> if the inlet manifold is correct and then invite them to
>> send a replacement part. I'd also want to be sure that
>> something that is claimed to be made by Maniflow really is.
>>
>> Regards
>>
>> Daniel S
>>
>> On Sat, 5 Sep 2020 at 20:12, Rick Fisk via Spridgets
>> <spridgets at autox.team.net
>> <mailto:spridgets at autox.team.net>> wrote:
>>
>> Send it all back to Maniflow and tell them to get
>> their shxt together. No excuse for this kind of BS.
>> They make both parts and they don't match? Ridiculous.
>>
>> Have you contacted them?
>>
>> Rick
>>
>> Sent from my keyboard
>>
>>> On Sep 5, 2020, at 2:45 PM, Michael MacLean via
>>> Spridgets <spridgets at autox.team.net
>>> <mailto:spridgets at autox.team.net>> wrote:
>>>
>>>
>>> Have the exhaust faces machined down 35 thou. Being
>>> both Maniflo they should have matched thicknan. I
>>> have the LCB header (I don't know who makes it) on
>>> my 1275 and a Titan intake manifold for my single
>>> HIF44 carb. They match perfectly. Supposed to be a
>>> standard thickness for the flanges.
>>> Mike MacLean
>>>
>>> On Saturday, September 5, 2020, 11:22:59 AM PDT, Hal
>>> Faulkner via Spridgets <spridgets at autox.team.net
>>> <mailto:spridgets at autox.team.net>> wrote:
>>>
>>>
>>> Listerati,
>>> Trying to get off my rear end and make some progress
>>> in my long term overhaul of FROG AYE, my 1960
>>> Frogeye. The engine is now a 20 over 1275 with some
>>> porting, oversize valves and VP-SP3 cam. I have
>>> replaced the old 3 to one exhaust manifold with a
>>> Maniflow LCB, the intake manifold is also by
>>> Maniflow, for the HS-2 carbs that came with the
>>> car. The concern I have is that the flange is
>>> thicker on the exhaust than on the intake. Torquing
>>> the manifolds until the exhaust just touches the
>>> block (no gasket for this measurement) leaves the
>>> intake manifold with about 35 thousands play. Of
>>> course, this can be taken up in the gasket, but that
>>> leaves the washer on the intake side (of the common
>>> studs) sitting at a noticeable angle, which ,if
>>> nothing else, doesn't look very cool. The attached
>>> photo shows about .035" of feeler between the
>>> washero and the intake manifold flange. The exhaust
>>> manifold is snug.
>>>
>>> What would you do?
>>>
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>> ------------------------
>>
>> spridgets at autox.team.net
>> <mailto:spridgets at autox.team.net>
>>
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>> ------------------------
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>>
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>
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