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Best sidedraft carb setup for a 13b?

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Old 09-23-03, 06:12 PM
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Best sidedraft carb setup for a 13b?

Hi all,

I am putting a 13b into my datsun 510. I am still quite new to the rotary engine but have been doing alot of reading on it.

Anyone here have a 13b carb setup?

I want to go with a sidedraft setup because this car is going to see alot of road racing and autoX time.

Also, What kind of intake would I need to be looking at?

The 13b is going to be a streetport setup on a freshly rebuilt motor. I am hoping for 220ish-250ish HP so I will need a carb that will flow enough for that.

Also, while I am here, what kind of clutch do you guys favor? This car will see some drag strip time as well so I will need one that will be able to take a little bit of abuse.

Thanks for everything!

Neil
Old 09-23-03, 11:07 PM
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if you are going to be doing a lot of road racing / autox, then you may want to look into a down draft rather than a side draft. grab yourself a weber 48 ida.

also, with just a street port, donot expect those numbers. 220 bhp is possible, which will only show you 175-180 to the wheels.
Old 09-26-03, 08:14 PM
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Re: Best sidedraft carb setup for a 13b?

Originally posted by nkohler
I want to go with a sidedraft setup because this car is going to see alot of road racing and autoX time.
yeah ... i'm kinda curious as well. what's the correlation between racing and side drafts?
anyway ... i second the motion on going with a downdraft Weber ... i'd say on the motor you're planning go with a 51 IDA ... but i guess it's going to depend on if you're buying new or used. while 250 is possible (it's pretty much the outer limits of big streetports) i would advise settling on something in the 215-230 hp range because you'll keep a lot more of the drivability you'd lose by going for BIGGER numbers.

just a tip - concentrate on a good weight reduction plan for your racing to compensate for the HP.
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