I've read conflicting info on the pros and cons of going to carb from EFI, so I'm trying to clear this up. So, what are they?
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your engine might breath a little better with a carb setup and that might give you a couple hp over a stock rx7, but there is no comparison, in programmable fuel injection and a carb
fi= better in every way shape and form carb= less complicated |
Carb:
cheaper simplier more hp vs stock efi: no afm, less restrictive intake manifolds tuning can be a hassle, every 10 deg jets need to be retuned hard cold starting/running harsh, abrupt powerband Aftermarket efi more expensive more complicated WAY more control WAY more tuneablilty Makes more power than carb Moral of the story if you have money; you have aftermarket efi |
Oh, I mean stock FI. I sure nothing beats programmable FI, that goes without saying.
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If its a street car don't waste your money with a carb, save up for Programable EFI. And a carb isn't a lot cheaper than EFI unless you can do ALL the work your self (this includes tuning).
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carbs were great about 20 years ago https://www.nopistons.com/forums/pub...IR#>/bigok.gif
I would never want one today. |
Originally Posted by Scott 89t2' date='Dec 18 2003, 05:58 PM
carbs were great about 20 years ago https://www.nopistons.com/forums/pub...IR#>/bigok.gif
I would never want one today. |
I'll take a nice set of Webers for an SA
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carb:
easy to tune cheap not verry good for turbo setup hard start on cold weather, speacially 30 and below great power sucks on fuel mileage FI(stock): non tunable not cheap sensors on N/A you cant put a turbo or in turbo II is verry limited great HP but limited great fuel mileage and with the right stuff is easy to start on the winter FI(tunable): from what i heard is hard to start in the winter depends of the tuning it can suck or be good on gas depend of the engine configuartion can get alot of HP can be tune for turbo not cheap at all pic your choice. https://www.nopistons.com/forums/pub...#>/biggrin.png |
there are NO advantages runing a carb then EFI
the power u are gettign is nto coming from a carb but the manifolds that u have to change out to put teh carb on which flow a lot better then the stock ones, if u get the racign beat lower manifold and then some twm fuel injection throttle bodies u will be able to make same if nto more power because of the better tunning tha tu can achieve with the EFI. carbs are not cheap and goign with the twm is either it pretty much comes out to be the same price but EFI is much better. |
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