Quote:
Originally Posted by ICTsccaCamaro
In the Hellcat world (I've got a TRX) we have a lower crank pulley sleeve that bolts over the factory crank pulley, you add the new length belts and it adds about 1.5psi of boost good for about 50-60hp. The factory tune has just enough fuel it can add to compensate for the slight boost increase and keep AFR's happy. Does the factory ZL1 tune have any room to compensate for a slight boost increase?
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Quote:
Originally Posted by Z OH 6
You really need to get the crank pinned and use a proper aftermarket pulley. The stock damper and pulley has been known to spin on the Hellcat engine, even stock, but when you start adding more power, the chance increases. Pinning the crank really is a must if you do any mods to those engines.
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Yes, here's a nice install video about this with details that I recall watching back in 2019:
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq
Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods
JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune
1100 - 1/30/18 | 2000 - 1/31/18
3000 - 2/06/18 TPW 2/26/18
3400 - 2/19/18 | 3800 - 2/26/18
4300 - 2/27/18 | 4B00 - 3/01/18
4200 - 3/05/18 | 4800 - 3/14/18
5000 - 3/16/18 | 6000 - 3/19/18