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Post by superdave008 on Jan 16, 2012 0:16:12 GMT -5
Hey I need some wisdom and information . I've been working on the brad gt2 when I get spare time and want to either build a long block or have it built.
The guy at the local bug shop has a super beetle with a 1914 that will rev about 7k (there is a hill going out of Denver that everyone try's there car on I- 70 steep grade "real steep" a v8 going 60mph is pretty good) its one they built but it seems like its something he's always working on.
If I had time that would be nice . I'm looking for realibility and really don't like tinkering . Once I'm done building I don't want to fix it. No what I mean?
So far I've decided to go with a 1914 long block and kadron carbs 40's any in put would be appreciated.
thanks in advance
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Post by centralvalleygter on Jan 16, 2012 12:08:21 GMT -5
I will share what I know and my experience. From what I have read, it is better to not go larger than 90.5mm on the bore. As you go bigger, the cylinder walls get thin enough to be subject to distortion as they heat up. This is suppose to lead to reliability issues. That being said I know a lot of people who have run the larger bores without major issues. In fact, I actually have a larger bore in my VW bus, and have had no problems, but it is a relatively fresh engine. Only got it because it was a great deal.
I have been running dual Kadrons since the 80's and love them. They are one of those things people seem to love or hate, not much middle ground. They actually tend to tune better with vaccuum advance distributors. I have been using centrifigal advance distributors for simplicity sake which have result in a very slight hesitation under hard accelleration. Observable, but not objectionable to me. However, since they are single barrel, good gas mileage is not their major quality.
When using Kadrons with larger displacement engines, I suggest obtainning them from, or sending them to "A.J. SIMMS" (aka Mr Kadron). Give him info about your engine size, cam used, lift and exhaust system and he will put in the right venturi size and jets for you. Lastly, if you get an older set of Kadrons, they have brass bushings on the butterfly valve, which tend to wear quickly (letting in extra air), making idle adjustments iradic. He can replace those bushings with fiber ones, which seem to last forever.
Warmest Regards.....
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Post by superdave008 on Jan 17, 2012 1:04:12 GMT -5
tHANKS STEVEN, i HAVE HEARD KADRON'S WERE VERY DEPENDABLE, Can you use vacumn advance with the 40's ?( larger carberator)
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Post by centralvalleygter on Jan 17, 2012 11:05:01 GMT -5
"tHANKS STEVEN, i HAVE HEARD KADRON'S WERE VERY DEPENDABLE, Can you use vacumn advance with the 40's ?( larger carberator)"
Yes, still have smoother acceleration with vaccuum advance, even with larger venturis and engines.
Warmest.....
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