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dragmanEX 11-11-2003 07:01 PM

turbos and carburators
 
is there any difference in turboing a carburated car instead of a fuel injected car? what's the best way to get enough fuel?

Dr.Boost 11-11-2003 07:12 PM

Re:turbos and carburators
 
There is a big difference. You tune with jets instead of injectors and computers.
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shortyz 11-11-2003 07:25 PM

Re:turbos and carburators
 
yeah and jets are the ghey

Dr.Boost 11-11-2003 08:03 PM

Re:turbos and carburators
 
Haha, yeah and jets are a son of a mother fucker to tune right. I swear as soon as the elevation changes by anything more than 50 feet you need to re-jet. >:( Go down a steep hill, re-jet. Go up a steep hill, re-jet. Computers are so much easier.
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cua0 11-11-2003 08:06 PM

Re:turbos and carburators
 
yes there is a difference, you need to either have a positive air carb setup, or you can be kind of ghetto and put the carb before the compressor so the compressor sucks the air/fuel mixture and atomizes it.

yes jets can be a pain in the ass, but jetting a carb isn't that big of a deal.

Dr.Boost 11-11-2003 08:12 PM

Re:turbos and carburators
 

Originally Posted by cua0
yes jets can be a pain in the ass, but jetting a carb isn't that big of a deal.

I take it you have never tuned a street bike. Try changing the jets in ALL FOUR carbs eveytime you need to make a change.
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dragmanEX 11-11-2003 09:05 PM

Re:turbos and carburators
 
as far as the basic mounting the turbo on the manifold and running cahrge pipe to the airbox/carb and hooking the oil lines is it all the same? and is there a jet(not any particular one) that i could run to make it rich enough all the time. i've seen turbos on bettles before, just curious how they do it without rejetting.

Honda16hb 11-11-2003 09:10 PM

Re:turbos and carburators
 
why would you want to make it rich all the time? that's like taking a perfectly fuel ineffecient car and making it even more ineffecient. max boost has a pretty good chapter on carburated turbo set ups, you should buy that book, it's very good. it says a blow through is the only way to go with a turbo and you have to do some crap to make it work right.

Dr.Boost 11-11-2003 09:14 PM

Re:turbos and carburators
 

Originally Posted by dragmanEX
i've seen turbos on bettles before, just curious how they do it without rejetting.

They jet them. What makes you think they don't jet them? A friend of mine has one in a rail and the lag is insane. You have to play with the gas to build boost, but once it gets up there it goes.
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dragmanEX 11-11-2003 09:23 PM

Re:turbos and carburators
 
i wasn't sayin they don't jet them, i was just reading another post that said something about jetting them every time you go 50ft uphill or 50ft dwonhill. i might sound like a dumbass but i am not a carburator person. i don't know, maybe i'm too young. i'm just asking is there anyway to keep from doing this and be able to leave what jets are put in when it is tuned.


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