1049528
hi folks,new at this jeep thing and was reading about TFI ignition upgrade but not sure what the TFI or HEI stands for.i`m driving an 88 jeep wrangler yj 4.2(258 cid) carter bbd with stepper motor.from what i have read these engines and carbs have troubles with idle,pickup and hesitation so mine is no different.
		 [addsig]
	 [addsig]
				
			hi folks,new at this jeep thing and was reading about TFI ignition upgrade but not sure what the TFI or HEI stands for.i`m driving an 88 jeep wrangler yj 4.2(258 cid) carter bbd with stepper motor.from what i have read these engines and carbs have troubles with idle,pickup and hesitation so mine is no different.
 
	 
	 
 
		 
 
		 
 
		