greggors84
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| posted on 16/4/04 at 11:59 PM |
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Twin Weber Trumpet Clearance
Is anyone else running a pinto with twin 45s?
We have noticed that even with just the trumpets on the engine needs to be tilted back a bit so that the trumpets clear the top chassis rail. We have
made some spacers to go below the engine mounts. This works, but we wondered if there was another way, maybe another manifold as we wanted to fit the
k&n filters but there is no chance of this at the moment.
Thanks
Chris
The Magnificent 7!
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mad-butcher
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| posted on 17/4/04 at 08:09 PM |
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thought i'd posted a reply but it seems to have got lost photo of twin 40's on long manifold in my area
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macspeedy
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| posted on 17/4/04 at 08:47 PM |
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i have twin 45's the trumpets fitted do not point straight out they are rotateable don't know how else to discribe it i have fitted a itg
air filter but had to make own back plate as it fouled the chassis.
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greggors84
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| posted on 18/4/04 at 06:45 PM |
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I mite have to get me some of those short trumpets then! Mine are much longer and dont curl back on themselves.
Thanks
Chris
The Magnificent 7!
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macspeedy
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| posted on 18/4/04 at 10:49 PM |
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will try and get some pics soon if you can hang on!
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mad-butcher
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| posted on 19/4/04 at 05:17 PM |
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just checked the burton power catalogue there are three lenghts of manifold availiable 30mm 76mm and 165mm
tony
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macspeedy
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| posted on 20/4/04 at 10:11 PM |
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getting the engine run in on a dyno tommorrow and fitting for the last time in rolling chassis the day after so should have loads of pics soon
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macspeedy
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| posted on 21/4/04 at 04:33 PM |
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as always there where some teething problems with getting engine running, we had forgotten to put the dowls in on the inlet manifold that we used to
insure it sat in the same place everytime and unfortuneately we had drilled through to the water jacket, dowls held in then a core plug that we had
not replaced had broken through rusting from the inside out, but after that she burst into life, tommorrow should have time to run her in and get the
carbs running properly! and get a bhp reading
photos to follow
[Edited on 21/4/04 by macspeedy]
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SteveO
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| posted on 22/4/04 at 09:21 AM |
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Hi
I'm having the same problem. got my manifold from burtons and got the shortest trumpets to fit. I took my indy for rolling road and they said as
the filter is soo compressed by the frame it acting as a choke on the first two trumpets and causes unbalance of the webers. so i asked them to get
angled manifolds so the trumpets will clear the frame and use the prefered longer trumpets.
Northampton motorsport asked burtons if they had any but they didn't but gave them the suppliers number, who say it'll take two weeks to
get or make. i should have them by weekend hopefully.
i'll keep u posted.
Steve
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greggors84
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| posted on 22/4/04 at 01:28 PM |
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Let us know how much they cost and who you got them from etc.
Thanks
Chris
The Magnificent 7!
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SteveO
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| posted on 29/4/04 at 08:52 AM |
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replaced manifold
Hi
Finally got hold of angled inlet manifold for my 40s and its now fitted, it clears the top frame and allow me to fit the longer trumpets. i got it for
£85 +vat from Tiger.
little advise: don't try taking off the water adaptor thing from the old manifold if you've run the engine for some time- it'll snap
off easily. get new ones from Tiger or ford the part number 6148087 J3 adaptor for the straight one but i got the 90 degree angled one.
Steve
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macspeedy
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| posted on 29/4/04 at 10:38 AM |
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gald to hear you got something sorted out 
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