Hard brake under boost? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 6 (permalink) Old 04-08-2014, 04:30 AM Thread Starter
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Hard brake under boost?

Ok so here's my problem I've noticed lately that when I'm under boost or high rpm my brakes don't want to work, the pedal is stiff until the rpms come down. It only does this under heavy acceleration. No flutter like warped rotors just really stiff then as rpms drop the brakes go back to normal kinda weird. This started after new injector/hotter tune install. Any suggestions would be helpful the combination I'm having is dangerous lol

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post #2 of 6 (permalink) Old 04-08-2014, 03:46 PM Thread Starter
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Re: Hard brake under boost?

Bump

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Warren 175/75's
Fass titanium 125 w/ sump
Volant intake
5" mrbp turbo back 6" tip
Reg. return w/6.4 banjos and oil and coolant filter
Sct itsx on iPad w/ Drew's tunes
Idp ficm tune
Snow water/meth
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post #3 of 6 (permalink) Old 04-10-2014, 01:59 AM Thread Starter
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Re: Hard brake under boost?

Thanks for all the replies I figure it out and you will never know what it was !

Pmax & batmowheel
Banks technicooler
Arp's
Warren 175/75's
Fass titanium 125 w/ sump
Volant intake
5" mrbp turbo back 6" tip
Reg. return w/6.4 banjos and oil and coolant filter
Sct itsx on iPad w/ Drew's tunes
Idp ficm tune
Snow water/meth
Empty bank account
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post #4 of 6 (permalink) Old 04-10-2014, 02:31 AM
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Re: Hard brake under boost?

What was it! Id help but I'm a 7.3 guy.
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post #5 of 6 (permalink) Old 04-10-2014, 03:54 AM Thread Starter
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Re: Hard brake under boost?

Tps issue, throttle was hanging a few second when I let off the go pedal so I was basically power braking the thing lol

Pmax & batmowheel
Banks technicooler
Arp's
Warren 175/75's
Fass titanium 125 w/ sump
Volant intake
5" mrbp turbo back 6" tip
Reg. return w/6.4 banjos and oil and coolant filter
Sct itsx on iPad w/ Drew's tunes
Idp ficm tune
Snow water/meth
Empty bank account
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post #6 of 6 (permalink) Old 04-10-2014, 03:33 PM
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Re: Hard brake under boost?

Your original post was a little confusing, but it makes sense now.
I was wondering why you were trying to use the brakes while accelerating.

2006 F-250 6.0 Auto CC SB 4x4
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