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Old 06-02-2016, 01:39 PM   #26
lilred2
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Join Date: May 2016
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Posts: 55
Re: 70 C10 SWB Makeover

I am definitely one that hates the optispark. I have been through 4 of them in 20,000 miles and you have to take the water pump off to replace them.

I don't think it is common i have never seen another one. The tach works I tried it on a BBC because I thought it was bad. It's cool because it goes to 7 or 8,000 rpm. I bought it from Manes truck parts in Kansas City back when he was selling parts out of his garage.
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