Recently I had a stalling problem with my 6.5. Chevrolet told me it was the lift pump but after they changed the lift pum it was no different. Then they told me it was the Injection pump to the tune of $1700.00. I sent an email to Walt and told him my...
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From: Dan M.

you guys are great. ordered the chip this morning and you helped me through every step of the way.. man awsome service. i will be back i own five of these things
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From: Layne