[TR] TR4A carburetors woes

TeriAnn J. Wakeman tjwakeman at gmail.com
Sat Jul 5 21:53:19 MDT 2014


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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