84-86 Hypertech chips for 305's! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Classics (Star Chief and 1957 to 1986) Converse about your Classic Bonneville.

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Old 09-22-2004, 10:41 PM   #1
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Default 84-86 Hypertech chips for 305'*!

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Old 09-23-2004, 04:14 PM   #2
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Thanks for thinking about us older bonnevilles but I believe that this is a hoax. Carburated cars cannot be "chipped", all my computer did (before I removed it) was monitor emissions. The computer doesn't control the fuel ratios as in a fuel injected car.

A quote from my boyfriend who knows about these things:

"The engines do not have a “chipable” computer. They must be reprogrammed. The only GM PCM that can be chipped is the vette or that with a MPI/TPI LT-1. Your car in 1984 came carbureted as is yours in 1986. I would think its for the 3.8L V6 which might be/is downdraft fuel injection. In this case, it would still be the EPROM setup (not chipped) Chipping involves removing the EPROM and replacing it with a new one. As far as I can remember, there never has been such a thing for these cars. Certainly not an 1984."

If anyone wants to dispute me on this go ahead.
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Old 09-23-2004, 04:40 PM   #3
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According to www.hypertech-inc.com, they've got chips for the 5.0 and the 3.8.
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Old 09-23-2004, 04:40 PM   #4
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I didn't do any digging, just happened to come across it. What you say makes sense, but then again, Hypertech is a well-known name. I wonder if they even MAKE a device like this?
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