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 Craig S
A.k.a.: Craig
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| posted on November 13th, 2011 at 09:19 PM |
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Should J tubes be the same length as heat exchangers?
The reason I ask is that I'm converting an engine from a squareback to a beetle. It had heat exchangers on it, but I don't run heaters, so I bought
some stainless J tubes, because the rest of the extractors are stainless.
Now, to me the extractors look like they might stick out too far to fit a beetle, so I might be getting some new extractors, and this thought has been
heightened by the fact that today when I went to put the j tubes on, the don't reach the join by a good few cm.
I just would have thought the heat exchangers would have all been a standard length and that j tubes would be that same length.
Thanks
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita
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68AutoBug
A.k.a.: Lee Noonan
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| posted on November 13th, 2011 at 09:40 PM |
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yes
I would have thought they would all be the same length
or longer?? but not shorter??
You may have to fit flanges to them..
and bolt them to the extractors
Lee
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Joel
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| posted on November 14th, 2011 at 08:27 AM |
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Are they still the type 3 heaterboxes Craig?
Cos those are longer than beetle ones.
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Craig S
A.k.a.: Craig
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| posted on November 14th, 2011 at 08:54 AM |
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| Quote: | Originally
posted by Joel
Are they still the type 3 heaterboxes Craig?
Cos those are longer than beetle ones.
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Yes they are. Damn and bugger.
I had a sneaking suspicion that I would run in to problems.
I suspect that I'm up for a new set of extractors to fit under the valance.
More grovelling to the wife required.
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita
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Camo
A.k.a.: Kev
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| posted on November 14th, 2011 at 11:15 AM |
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Not knowing exactly how they look/fit, but could Westi shorten them for you. Do a cut and shut on the exhaust, he did on mine.
Kev
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 Bizarre
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The artist formerly known as blue74l
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| posted on November 14th, 2011 at 11:19 AM |
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cut them and get flanges welded on while you are at it
Futue te ipsum!!!
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Craig S
A.k.a.: Craig
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| posted on November 14th, 2011 at 11:30 AM |
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Thanks guys, I was thinking that might be a solution to the problem, I then have to think about whether they end up being equal length or not.
I'll try and do some measurements and put up photos later.
Otherwise I'll add the extractors to the pile of part 3 cooling and tinware parts that I'll be selling shortly.
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita
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Craig S
A.k.a.: Craig
Wolfsburg Wizard
Posts: 635
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| posted on November 14th, 2011 at 12:31 PM |
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Turns out I'm a bigger idiot than that anyway. Forgot to measure the pipe diameter. J tubes I bought are 38mm, extractors are 42mm. Duh!!!! 
Back they go!
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita
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