Yes, yes indeed. Chime in I will. The situation you're describing with your DGV sounds like a lean one to me. I never had much luck with my worn out DGV either though. Not as easy to adjust and too many dumb things to mess around with/replace to tune. Another thing that made me want to switch so much was the fact that the SUs are sidedrafts, so instead of coming down the progressive throats of one carb, and doing a 90 degree turn, then splitting unevenly into 4 different cylinders, they go through two evenly sized throats and are split into even length runners and then go into their respective cylinders. Better from a performance standpoint, well, in some ways. In other ways, having dual carbs on a straight four has some unhappy pulsing going on, but it's alright.
So yes, I'm voting for you to get to understand how the HIF6s work, (we can all help ya, I've been going through the process for the past better part of a year now), and toss them on there and see what you can do. Let us know how it goes and we'll help you through the tuning and such. Peace!
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Kyle - '68 142? - Oregon Volvo Tuners?
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