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September 29th, 2008

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Q & A: Timing Advance, Higher Output Coil?

Wednesday June 27th, 2007
Q & A, MGA, MGB, MGC, MG T-Type, Midget
Mr. Twist,

I recently installes a Weber DGEV into my 79'Midget. After addressing the usual intake vac. leak and the ventilation problem(pressure buildup in the engine, causing oil to seep from unusaul places..), which I'm still fighting, I was told to plug off the vac. advance on the dist. and the carb, as Webers don't work well with vac. advance. I'm running a 25D dist. with a Pertronix unit, and after advancing the timing to about 16 dgrees, noticed the engine pulled a lot better under acceleration than before. My question is, with the Pertronix and Weber being the only mod., would there be any real benefit from a higher output coil? If so, larger plug gap(running spec right now), and I do plan on an aftermarket exhaust header.
Any other suggestions for a peppier 1500?

Jim!

There are four links in the chain: emissions, engine, ignition, and carburetion.

Make sure that the engine has plenty of chance to vent into the air cleaner. Otherwise the oil gets contaminated and ... read more