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Can a 3.5l V6 be tuned not to ping on ULP? Using PULP

Tech Talk for Mitsubishi owners.

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Can a 3.5l V6 be tuned not to ping on ULP? Using PULP

Post by Adomw »

Lads,

My 3.5l Quad Cam goes like whale poo off an iceberg when you run it on PULP, but pings and carries on on ULP at low revs with wide throttle openings.

Can they be tweeked to not ping on ULP???

Ado
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Post by -Scott- »

Typically its ignition timing - retard the ignition timing and the pinging should go away, but you may lose some of the power on PULP.

That's the nature of the beast...

Scott
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Post by J Top »

I have found it false economy to run regular in my Harley.Any savings at the bowser are lost in reduced range,in the nature of 5%, or 10kms in 200.
J Top
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Post by Bitsamissin »

Later model 3.5 V6 DOHC (I think 96 sometime onwards) had an ECU change to adjust the timing to run either unleaded or PULP.
I just luv my "clacker Jabber"
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