lq9 timing table copied to lq4 tune

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03-05-2015, 11:48 AM

#21

ullose272

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Quote:

Originally Posted by TXsilverado

people also swear up and down that the hyper tech tuner adds 35 RWHP...

that is true. Thanks for some of your guys help

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03-28-2015, 05:19 PM

#22

01ssreda4

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Quote:

Originally Posted by ullose272

And my motor is 300hp 01 2500hd. So either they didnt rate the motor correctly for the early hd lq4 or its detuned compared to later 325hp version.

Also i am running 91 octane

The earlier models had different (cast) heads so that may have something to do with it.

Quote:

Originally Posted by TXsilverado

can you throw a LQ9 tune into a LQ4? yes it will work. is it optimal? no. my bone stock LQ4 picks up knock at part throttle on 87 octane on the stock tune. why give it more?

It knocks on what tune? What mods? Winter or summer blend gas? Fresh tune up on the vehicle?