Retune needed after new OEM motor?

jwick · 07-14-2014, 02:06 PM

Quote:

Originally Posted by TopgunZ

Yeah my engine let go. I lost grip at redline and went slightly above, maybe 300 over. Piston head blew in half. I think I ran out of fuel up there.

I am the buyer of that fresh 109 miles motor that was for sale here. The guy selling it lives here in CO. It was wrecked by a guy transporting it from one dealership to another.

My motor had 10K on it when I installed the kit and had it tuned. The ECU will not be swapped.

What did you pay for this motor? Unless it was a steal, I think I would have went built since you were running E85 already.

What power level/psi were you running when it let go?

TopgunZ · 07-14-2014, 02:15 PM

Well I can tell you that I paid $4,000 less than I would have had I gone the built bottom end route.

I was on 11lbs. But again it wasn't the power that did it. It was fuel.

A contributing factor was the fact that I added a boost controller after I had been tuned. IT was a spring style MBC. It held boost a bit more up top which is why I think I must have leaned out some. This combined with the higher HP I was making around 7,700 rpms, is what caused it.

07-14-2014, 02:15 PM	#2 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6836	Well I can tell you that I paid $4,000 less than I would have had I gone the built bottom end route. I was on 11lbs. But again it wasn't the power that did it. It was fuel. A contributing factor was the fact that I added a boost controller after I had been tuned. IT was a spring style MBC. It held boost a bit more up top which is why I think I must have leaned out some. This combined with the higher HP I was making around 7,700 rpms, is what caused it. Mitco39 likes this. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

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