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Old 12-22-2008, 07:27 AM
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computer chip for 4.8 chevy v8

I have a 2001 chevy silverado with a
4.8 & automatic trans.Has anyone used any of
these computer chips & if so are they any good?
What are the advantages of these chips? Do they
do what they claim to do or not? If these chips
are good What ones are a good one to buy?
I am retired & dont have a whole lot of money
to spend right now.Any info would be a real
big help.Thank You. BOB
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Old 12-22-2008, 09:18 AM
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The 4.8 uses flash memory, not a replacable chip. It requires a plug-in computer to reprogram it.

They are all expensive and all pretty much do the same thing; lean out the fuel curve, advance the timing, and firm up the shifts. The result is a few HP that you can't feel and a lighter wallet.

Usually you can find someone on the internet who can do the same thing for $75. www.pcmforless.com has an introductory price that is higher, but subsequent reprogrammings are $50. check them out and see if they'll do your 4.8L. I've used them 4 times and have been very happy with my LT1.
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Old 12-23-2008, 04:23 AM
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yup , a custom tune is 100X's better than a hypercrap one size fits all programmer,no chips since 1994.
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Old 12-23-2008, 07:29 AM
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Quote:
Originally Posted by Jim Rockford
yup , a custom tune is 100X's better than a hypercrap one size fits all programmer,no chips since 1994.
true enough but the hypercrap allows the OWNER to tweak the settings and down load the original preferences of the stock config, if needed... custom 1 off , you are forever tied to the originator of the application, could be good thang but more then likely not a good thang, especially if they close the doors of Mr Tuner's shop, just cause you think you can does not mean you can ..
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Old 12-23-2008, 07:58 AM
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Originally Posted by pepi
true enough but the hypercrap allows the OWNER to tweak the settings and down load the original preferences of the stock config, if needed... custom 1 off , you are forever tied to the originator of the application, could be good thang but more then likely not a good thang, especially if they close the doors of Mr Tuner's shop, just cause you think you can does not mean you can ..
LOL I have Known the owner of PCM4LESS for a long time, I highly doubt he's going anywhere and no hypercrap is gonna give you the same power that a custom tuner knows about.
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Old 12-23-2008, 09:40 AM
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+1 for PCMforless and Bryan Herter. He got my buddy's OBD2 383 LT1 to pass CA emissions including plug-in testing. Its has fully ported AL heads that flow 300 cfm, a 222/230 cam, headers, 30# injectors, 11:1 compression, a 58mm TB, air pump deleted, and LT4 knock sensors. I've used him several times for my own LT1 that is mildly modified, but I was so impressed that he got my buddy's 383 to pass OBD2 that I'm duplicating that package for myself.

Try doing that with a hypercrap.
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