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bourbon · 03-21-2008, 12:55 PM

once again, i did make a mistake in talking about the crossover tube that goes from one head to the other in the back which is for the thermactor system NOT the EGR.

but, since you asked jwilliy....

i believe that the EGR spacer gets its exhaust internally. by that i mean i think it comes up from the heads through the intakes to the EGR spacer all internally through a special hole. when its called for the EGR spacer valve opens and the exhaust gets routed into the intake. there is an electrical connection and a vacuum line on my 89 mustang gt to the back of the EGR spacer. went out and looked and i see no external tubes from the exhaust.

cant help you with the other stuff

03-21-2008, 12:55 PM	#8
bourbon Registered Member Join Date: Feb 2005 Location: Minneapolis USA Posts: 31	Re: plugging the EGR crossover holes once again, i did make a mistake in talking about the crossover tube that goes from one head to the other in the back which is for the thermactor system NOT the EGR. but, since you asked jwilliy.... i believe that the EGR spacer gets its exhaust internally. by that i mean i think it comes up from the heads through the intakes to the EGR spacer all internally through a special hole. when its called for the EGR spacer valve opens and the exhaust gets routed into the intake. there is an electrical connection and a vacuum line on my 89 mustang gt to the back of the EGR spacer. went out and looked and i see no external tubes from the exhaust. cant help you with the other stuff