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Dutton Kit Cars and their owners

can anyone tell me what this manifold would have originally come off...just curious :-)

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Comment by Steve Kerswell on June 2, 2016 at 21:20

2.0s  Capri is what I have on the big lump photo, that one you have looks like it has been made to fit around the Sierra foot well. I suspect it's a custom made Capri job then chopped to fit.

Comment by Adrian Southgate on June 2, 2016 at 21:17

Exhausts produce a pulse every time the valve closes. If they all fire in order then the pulses all run in order down the pipes. If two of the pipes are different lengths then the exhaust pulses start to overlap, if two pulses collide then you have doubled the theoretical quantity of gas trying to occupy the same part of the pipe at the same time. This produces an uneven flow of gas up the secondary pipe and slows the gas down.

Thats a shit explanation but the only other comparison I could come up with is 'crossing the streams' on Ghostbusters...

Comment by Steve Kerswell on June 2, 2016 at 21:16
Comment by Brian (up north) Morris on June 2, 2016 at 21:13

ok iv text andy previous restorer of sierra. hes not shure but thins it may be 20l s capri. :-)

Comment by Brian (up north) Morris on June 2, 2016 at 21:01

why ade apart from the weight ..? cant make make that much difference can it...?

Comment by Brian (up north) Morris on June 2, 2016 at 20:55

oooooooooooooooo works for me......:-))))

Comment by Steve Kerswell on June 2, 2016 at 20:53

Tomorrow ill post photographs, unpainted, naked !!

Comment by Brian (up north) Morris on June 2, 2016 at 20:49

steve id be up for that. im sick of these tin manifolds that last a year. got any pics :-))))

Comment by Adrian Southgate on June 2, 2016 at 20:47

Sorry, CAST crossflow manifolds and proper 4 branchs are a world apart.

Comment by Adrian Southgate on June 2, 2016 at 20:46

yeah but crossflow manifolds don't provide the best flow rate.

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