Grose jets tend to stick. I had a pair on an MGBGT. They didn't stay
there very long. I suggest going back to stock.
TeriAnn
On 7/5/14, 5:23 PM, Jeff wrote:
> I've been trying to get my TR4A on the road before winter sets in again.
> I'm having a heck of a time getting my SU HS6 carburetors tuned. I pulled
> the floats and checked the fuel in the chamber. They have Grose Jets in
> them. Both chambers have fuel about 1/2 way up the bowl. I've done the
> tuning on both carbs to where when you lift the piston the engine RPM seems
> to rise and fall. The engine runs great, I can rev it with no hesitation
> and it seems very smooth. I pulled the plugs and they were normal color.
> When I take it for a spin though I can only get about 2 blocks and it starts
> missing badly. I get it home and pull the plugs and they are really sooty.
> What am I missing?
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