Quote:
Originally Posted by Psy-q
The DENSO unit will most likely be 100% backwards compatible with older models. Because the 2017 will have 2 engines - Red Top/ Black Top.
I am sure they would use 1 fuel pump for both, so we can use the new 2017 pump on our older engines.
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I hope you are correct...
However your premise does not support the conclusion. They have demonstrated that they are perfectly willing to run two different engines with minor variations when inventory cost would doubtless be cheaper for a single variant.
Perhaps the most interesting counter argument is, if you read the change document closely, that they claim to have actually altered the camshaft to reduce the throw of the fuel pump eccentric...
There are LOTS of little changes between the "red top" and "black top" engines... will the new pump be totally interchangeable? Will the difference in throw be within tolerance? Will the new pump with the old cam have acceptable flow and pressure? WIll the pump still chirp with the old camshaft eccentric? I have no idea...
"Hope springs eternal" - Bill S.
