>I put my engine back togather, cranked it but still no. suction from the
> rear SU carb.
> Twice now I've took the intake manifold off, finding the new gaskets all
> well and good and so I still don't know where the vacuum leak is on the
> rear
> SU. The head/intake manifold gaskets are also brand new! All gaskets are
> new. Attempting to spray starter fluid while it's sputtering on no 1&2
> cylinders doesn't really reveal any leaks around the manifolds. I guess
> this time when I have the intake manifold off, I should also crank it. I
> would think that at each intake port that I should feel a distinct vacuum.
> Is this true?
> Paul Dorsey 60 TR3A
>
Paul:
Are you sure the throttle butterfly is actually opening on the rear
carburator? If the little clamp thang that couples the two throttle
butterfly shafts together is slipping, then the rear butterfly would not
open, hence the apparent lack o'vacuum.
Michael Marr
1960 TR3A
2000 Jag XK8
Naperville, IL
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