Modx - Decreased flow rate

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Modx - Decreased flow rate

Postby xStatic » Wed Jul 09, 2014 8:36 am

Hi Guys

Got a weird issue from ODI this weekend...
I did my first 1km run and I exited @ approx 227km/h, when slowing down I had a bit of vibration on the front of the car (from my brakes - need to upgrade them soon)
The very next run I only did 206km/h and the car didn't feel too good thereafter all afternoon

Just viewed my logs now and I noticed that on the 206km/h run the car was only flowing at a peak of 173g/s, usually it flows around 195 g/s on Modx
The rest of the 1/4 mile logs shows a max flow rate on one of the runs at 176g/s for the rest of the afternoon so obviously something is not right...

Just wanted to know what could cause the sudden decrease in flow rate? Im not too technically clued up so any help on what I could look for will help :lol:

I cleaned the BMC filter about 3 months back and only did about a 1000kms since then....
None of the induction piping seems lose as I thought that vibration could have loosened something...
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Re: Modx - Decreased flow rate

Postby Boolee » Wed Jul 09, 2014 8:38 am

dirty maf and map sensor?
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Re: Modx - Decreased flow rate

Postby Bloubul7 » Wed Jul 09, 2014 8:42 am

Collapsed air filter?

Might be a boost leak
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Re: Modx - Decreased flow rate

Postby Drifter » Wed Jul 09, 2014 8:47 am

Juan boost leak.
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Re: Modx - Decreased flow rate

Postby xStatic » Wed Jul 09, 2014 8:51 am

Oh damn thanks guys, mission to find a boost leak lol
I never touched the MAF or MAP sensors so that could need a clean as well.... will check on the weekend

Another sick DS ST from ODI :lol: :lol: :lol:
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Re: Modx - Decreased flow rate

Postby Mexican » Wed Jul 09, 2014 8:57 am

Drifter wrote:Juan boost leak.

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Re: Modx - Decreased flow rate

Postby Mexican » Wed Jul 09, 2014 8:57 am

xStatic wrote:Oh damn thanks guys, mission to find a boost leak lol
I never touched the MAF or MAP sensors so that could need a clean as well.... will check on the weekend

Another sick DS ST from ODI :lol: :lol: :lol:

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Re: Modx - Decreased flow rate

Postby robotST » Wed Jul 09, 2014 8:58 am

227 ? epic speed , best of the day for stage 2 ST ?

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Re: Modx - Decreased flow rate

Postby xStatic » Wed Jul 09, 2014 9:07 am

robotST wrote:227 ? epic speed , best of the day for stage 2 ST ?


I got 3rd place apparently.... not sure in the class or overall
Awaiting results to be posted

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Re: Modx - Decreased flow rate

Postby ClemR » Wed Jul 09, 2014 9:25 am

That is a top speed 227km. I think Avish only exits 225 (correct me if i am wrong) on the 1km so that is flying.

yas i think your MAF is dirty
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Re: Modx - Decreased flow rate

Postby xStatic » Wed Jul 09, 2014 9:29 am

ClemSt wrote:That is a top speed 227km. I think Avish only exits 225 (correct me if i am wrong) on the 1km so that is flying.

yas i think your MAF is dirty


Avish got 232km if im not mistaken...
I hope its a dirty maf and not boost leak lol
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Re: Modx - Decreased flow rate

Postby ClemR » Wed Jul 09, 2014 9:29 am

xStatic wrote:
ClemSt wrote:That is a top speed 227km. I think Avish only exits 225 (correct me if i am wrong) on the 1km so that is flying.

yas i think your MAF is dirty


Avish got 232km if im not mistaken...
I hope its a dirty maf and not boost leak lol


i got a boost leak tester for you to use bru
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Re: Modx - Decreased flow rate

Postby Quick///M » Wed Jul 09, 2014 9:57 am

this happened to me it was dirty sensors m&h sorted it out. Hope its just sensors in your case
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Re: Modx - Decreased flow rate

Postby nanovapour » Wed Jul 09, 2014 10:06 am

xStatic wrote:
ClemSt wrote:That is a top speed 227km. I think Avish only exits 225 (correct me if i am wrong) on the 1km so that is flying.

yas i think your MAF is dirty


Avish got 232km if im not mistaken...
I hope its a dirty maf and not boost leak lol



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Re: Modx - Decreased flow rate

Postby nanovapour » Wed Jul 09, 2014 10:06 am

SeanT wrote:this happened to me it was dirty sensors m&h sorted it out. Hope its just sensors in your case



Unlikely sensors will get dirty from one run to the next. Probably popped a clamp off.
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