Yes. Early P6 had sliding jet carbs (for the choke). The later HIF is a far more stable carb. The reason it was produced.harvey wrote:SD1's had HIF carbs from the very first cars, and P6's only had HS6's before the HIF's and they were hopeless.unstable load wrote: That's what I'd do, BUT I would not get HIFs, go for the older stuff off a P6 or SD1.
You can find any possible fault in an SU by stripping and careful examination.