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Custom TSI Talon (problem)

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Joelmemphis

Probationary Member
3
0
Aug 28, 2014
Memphis, Tennessee
I will Start with just a little bit about the car...

Engine
6 bolt motor
90 oil filter housing with larger external oil cooler
Balanced crank
wiseco 9:1 pistons
scat rods
bc288 cams
BC valve springs and retainers
Stainless Valves
light port and polish
jm fab race SMIM
75mm throttle body with stock IACV
single stage wet nitrous kit (80hp)
HX52 turbo
4" turbo back exhaust
air to water intercooler with reservoir and large front exchanger
Tial Q BOV
Dual 38mm external wastegates (22 psi)
Custom divided T4 manifold
4" intake with cone filter
AEM 5 bar Map
Custom Coil on plug with GSXr coils
Custom Half radiator with -16 braided lines
Dynatek ARC-2
Wired for DSMlink boost control
160 degree thermostat
Felpro MLS headgasket
MAP h11 headstuds
Prothane Motor mounts
Crower Cam Gears
Solid timing belt tensioner

Fuel
Balanced and tuned 1800cc injectors (by Thomas Dorris at ECMlink)
Dsmlink v3
Dual wally 255HP pumps run in parral with pre and post filters
12 gal fuel cell with cover
-8 tank to rail lines
-6 regulator to fuel cell
aeromotive FPR
-10 Anodized Fuel rail

Suspension
Custom made Billet strut tops
agx rear shocks
Stock style Front shocks
1200/lb rear springs
400/lb front springs
Front and rear Camber kits
Braided front brake lines
ABS Removed
Power steering removed


Transmission:
Stage 4 built transmissions
fidanza flywheel
finanza 4.3 clutch
welded center diff
LSD rear diff
Solid rear diff mounts
Solid drive shaft mounts
Complete Braided clutch line
Solid shifter bearings

Ok this is what its doing (idle of death)
So when i take the car for a run about 6 mins into it, it starts making the car run lean sputtering up to 3k rpm and then drops now im thinking it may be a boost leak or a cam sensor but if i reset the computer by unhooking the battery for about 20 mins it will be ok again. Any and all help would be AMAZING. Also the car runs on E85.
 
I would move away from the ECU and look into making sure your filters are clean. E-85 clogs them up, and 20 minutes of no run time could be enough to let some of the gunk fall from the filter
 
Thank you thomcasey i also failed to mention that a friend of mine put in e87 only a gallon i started to notice it running sloppy and i ask him he told me he might have so. i tested the gas and it had 87 in it not a lot but enough, so i pulled the plugs and empty-ed 6 gallons of gas and added all new and empty-ed it again. could it be the mix of 85 and 87 still doing this.
 
It is possible. I would make sure you have the correct "tuned for" fuel in it and then clean all your fuel filters and see how it does.
 
I would second checking the fuel filter. Ethanol is gunky on fuel filters in large quantities. As for the e87 it could but its doubtful any would be left if you emptied the tank and have driven a few miles.
 
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