Cat c15 Sdp rebuild help

dustinbrock · Mar 16, 2019

superhauler said: ↑

The lag isn't from the 16:1 comp. It is from going to a single turbo over the twins. You can keep the twins with the low comp pistons and have as quick of response. The issue with an acert is the 18:1 pistons and the vva. lower the comp. And you WILL get a better breathing/ running engine. With the right tune a more efficient engine. You have to understand ,the vva, s bleed off the excessive cylinder pressure ( boost) caused by the 18:1 pistons. To a point.
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Yeah makes sense, the guy who does the tuning suggested going 16:1 but keeping the twins. Said I'd absolutely love this engine after.

BigRed389 · Mar 30, 2019

dustinbrock said: ↑

View attachment 229636

As you can see, the emission side is not my issue as to why I've kept them active....

Dustin - I am in the process of dropping the dpf, ard head, and cgi on my sdp as well. Looks like you put a different oil cooler on. What else did you do to make this work?
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dustinbrock · Mar 30, 2019

I swapped in a oil cooler from a mxs/nxs, I also plugged off my turbo pre cooler. Neither of these were necessary.

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