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Old 11-19-2017, 12:02 PM   #1
1320pro
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Default Attn Cobra Jet Owners

Hey Guys, I am looking at buying a '10-'14 Cobra Jet. I was wondering how many passes you can safely get out of a supercharged engine? I know Ford suggests a rebuild for the factory engine after 40 passes.

Thanks for any input!
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Old 11-24-2017, 08:54 AM   #2
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Default Re: Attn Cobra Jet Owners

Anyone? I'd sure love some input.

Thanks
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Old 11-27-2017, 01:17 PM   #3
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Default Re: Attn Cobra Jet Owners

We have one 2014 CJ and two coyote sc powered dragsters, all three have 2.9l whipple. All are over 100 passes pushing 200. The most we have done is replaced a couple of head gaskets on the dragsters, because of problems when we busted the trans input shafts causing the engines to rev high. You will need to replace spark plugs about every 50 passes and tires around 40. Those 9 inch tires don't last long with that hp and weight.
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Old 11-27-2017, 11:02 PM   #4
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Default Re: Attn Cobra Jet Owners

Thanks! On your 2014 is that on the original engine or did you have it gone through?
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Old 11-27-2017, 11:29 PM   #5
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Default Re: Attn Cobra Jet Owners

Also if you don't mind me asking, what brand of oil are you running in them and what kind of fuel? I just bought a '13 CJ so looking for some advice! Thanks again!
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Old 11-29-2017, 09:01 AM   #6
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Default Re: Attn Cobra Jet Owners

We run Royal Purple XPR 5w20 & VP C-16 in ours and have over 250 runs on the motor.
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Old 11-30-2017, 10:25 PM   #7
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Default Re: Attn Cobra Jet Owners

Great news! Thanks a bunch!! I can't wait to get this car here. Going to be a long wait until spring!!
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Old 12-04-2017, 06:50 PM   #8
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Default Re: Attn Cobra Jet Owners

Quote:
Originally Posted by 1320pro View Post
Great news! Thanks a bunch!! I can't wait to get this car here. Going to be a long wait until spring!!
^Your name Mike?
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Old 12-05-2017, 09:14 PM   #9
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Default Re: Attn Cobra Jet Owners

Hey Ross! Yep, it's me.
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Old 12-05-2017, 10:08 PM   #10
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Default Re: Attn Cobra Jet Owners

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Hey Ross! Yep, it's me.
Atta boy! Heard through the grapevine you got the car. Congrats on the purchase! Look forward to running with ya next year!
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