Thread: HIF6 vs HS6
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Old 11-21-2020, 08:10 PM   #1
spock345
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Location: Santa Cruz, CA
Default HIF6 vs HS6

I am trying to decide on which carburetors to put on my 122s in place of the weber DGEV that is currently on it.

I have a set of HS6 carburetors from an early 60s 122 or 544. They should have the correct needles for the car. The caveat here is that the throttle shafts have a good amount of play.

I also just acquired a set of HIF6 carburetors with the linkage and airbox that are from a 70s 140 (I think). There is virtually no play in the throttle shafts on this pair. From a cursory inspection these seem to be in much better shape, even if they are completely filthy.

Is there any reason not to go with the HIF6 given that the throttle shafts aren't bouncing around. They seem like a better design.

The motor in question is a B18D that I will be bumping up to B18B compression and a D cam.
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1967 122s, B20F, M40
1989 240 B230F (V15 cam, chipped EZK), M47 (Lost a fight with a Chevy express van)
2012 VW Tiguan 6 speed auto (oh the joys of carbon buildup).
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