Mini Maxx "Hot" safe without FASS?? - Chevy and GMC Duramax Diesel Forum
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Old 11-10-2012, 12:32 PM   eBay Motors  #1 (permalink)
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Mini Maxx "Hot" safe without FASS??

Guys, is it safe for me to run my mini maxx on "hot" without installing a FASS or AirDog?? I'm not planning on driving it hard and definitely wont be racing so will I be ok??
Thanks
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Old 11-10-2012, 12:34 PM   eBay Motors  #2 (permalink)
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If you're not hammering on it then you'll be fine. Its only at or near full throttle that it'll drain the fuel rails.

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Old 11-10-2012, 12:35 PM   eBay Motors  #3 (permalink)
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Would you be able to feel a loss of power when that happens?
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Old 11-10-2012, 12:37 PM   eBay Motors  #4 (permalink)
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I remember when i used to say i wouldnt race lol
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Old 11-10-2012, 01:14 PM   eBay Motors  #5 (permalink)
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Quote:
Originally Posted by T Jr. View Post
Would you be able to feel a loss of power when that happens?
Ya your truck will hang shifts. Usually 3-4 is when it does


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Old 11-10-2012, 03:23 PM   eBay Motors  #6 (permalink)
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Quote:
Originally Posted by SickLB7Crenshaw View Post
I remember when i used to say i wouldnt race lol
haha ya I know.. I wont be goin to the track but if a little civic rolls up and wants to go, well.. I'm a guy lol
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Old 11-10-2012, 07:16 PM   eBay Motors  #7 (permalink)
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Yeah dude, it doesn't matter what gear you're in. As soon as it runs out of fuel it will fall on its face. I've done it in ever single gear on Hot.
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Old 11-10-2012, 09:35 PM   eBay Motors  #8 (permalink)
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you really don't wanna hurt the cp4, and running it dry is'nt good for it. some guys (very small percentage)are losing their hp pumps just running stock tune (have not heard any solid reasons why yet, wether its fuel quality, or just the design) and just hitting 'passing' gear will run out of fuel on hot. I vote yes on lift pump
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Old 11-11-2012, 07:04 AM   eBay Motors  #9 (permalink)
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Yes you can run it without the lift pump on Hot.

Yes, you do not want to drain your fuel rails. This is not good for the cp4, as Ken has stated.

Yes, we have had to replace a cp4 at 40k miles on a stock duramax. I'm sure it was the lack of lubrication in the fuel. Running opti-lube now to prevent future foul ups.
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Old 11-11-2012, 07:42 AM   eBay Motors  #10 (permalink)
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risen from the dead mr armalite?
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Titan 57 gal saddle tank, linex color matched bedliner , Trekstep bed steps x2, RBP rail steps, Nitto Mud Grapplers, B&W Gooseneck

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