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#1
02-18-2006, 09:35 PM
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RB25DET high rpm sputtering....
Hey guys. It's been a while since I've frequented this board, but I was hoping for a little direction. I have a '93 (ECR33) Skyline GTS-T. Yesterday I decided to install a rather large intercooler along with an RSR downpipe and a straight-pipe replacement for my cat. My car was basically stock prior to this - except for an HKS catback and HKS intake - running stock boost (0.5bar). Once we started the car up it sounded great, but once we took it out on the road we started having problems. Now, at around 5000-5500 to redline it sputters horribly. It feels to me like there isn't enough fuel or too much air - one of the two. I realize without you guys here it's difficult to troubleshoot a problem over the net. I guess what I'm really asking is are there any associated problems that can happen when putting a large intercooler on a bascially stock car? If this is the case, what is the remedy? One of my fellow club buddies suggested running higher boost would fix the 'malfunction', but I'm a bit sceptical. Once again, any insight is appreciated and thanks again for the time.
Eric. USAF - 67th Fighter Squadron 
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#2
03-01-2006, 07:22 PM
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Re: RB25DET high rpm sputtering....
have you changed your spark plugs?
If not, do that. make sure they are .3 of an inch, or .25 The intercooler wouldnt make you run that badly, unless you took one the size of your hood and straped it on with a mile of piping...
__________________
 My new RHD project! Solid Crew (Circa 2002)
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#3
06-21-2006, 02:22 PM
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Re: RB25DET high rpm sputtering....
Clean your MAF
__________________
 R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper.
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