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Old 01-24-2019, 02:29 PM   #12
Long & Winding road
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Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
Quote:
Originally Posted by Mustang46555 View Post
My understanding is if you have an E-350 or E-450 chassis you have the 2 valve engine. The 3 valve is only used in the F-53 chassis. The larger 3 valve heads won't fit the tight E series engine compartment.
That is my understanding as well. Hence the differnce in HP and TQ rates when you look at the Thor website for each RV.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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