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Wot stutter


galantrevolution
Member
431/2000


Galant VR-4 org Post #: 1141708 posted 09/23/13 06:24 PM     Remind Me!  Send Private Message   Edit Post      
In my 91 when I got past 4000 rpm will stutter it doesn't matter the gear I check the timing and is all good I have 510 yellow too injectors small 16g turbo 2g maf , new spark plugs Ngk bpr8 good wires no codes any ideas what it could be? The computer is stock good caps not leaking I had 450 injectors and after I put the 510 is when it start to happen



431/2000 with Galant RS swap sold
1991 Galant VR4 JDM

Posts: 129 | From: las vegas, nv | Member Since: 08/19/09 | IP: (173.245.48.189) | Report this post to a Moderator

James
Does lots of head


Galant VR-4 org Post #: 1141711 posted 09/23/13 06:36 PM     Remind Me!  Send Private Message   Edit Post      
Maybe one of th injectors are bad



1990 Summit White Galant GSX
Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

Posts: 1322 | From: Port richey Florida | Member Since: 04/08/12 | IP: (108.162.238.53) | Report this post to a Moderator

thecman02
too lazy to look
580/1000


Galant VR-4 org Post #: 1141716 posted 09/23/13 08:32 PM     Remind Me!  Send Private Message   Edit Post      
Personally I've never met anyone that had their car run worth a shit with 510cc and a 2g maf without atleast having a safc to fine tune.



580/1000
2013 Max Effort Winner
-Chris

Posts: 913 | From: Kalamazoo,MI | Member Since: 11/03/07 | IP: (108.162.216.137) | Report this post to a Moderator

transparentdsm
I have to say something dumb Member
138/2000


152/1000


Galant VR-4 org Post #: 1141752 posted 09/24/13 08:35 AM     Remind Me!  Send Private Message   Edit Post      
^ this.

you can not run your car like this. take everything off and put it back to stock. even the MAF

go to this website click email the man and ask him to burn you a chip for your cars needs.

all your doing right now is hurting your car. the ecu doesnt know how to automatically change its brain to match to what you add.

also go here click and start at the beginning of the 1G DSM tech guide. read everything.



138/2000
152/1000

Posts: 3675 | From: Klamath Falls, Or | Member Since: 07/27/11 | IP: (108.162.215.198) | Report this post to a Moderator

James
Does lots of head


Galant VR-4 org Post #: 1141755 posted 09/24/13 09:11 AM     Remind Me!  Send Private Message   Edit Post      
BigD on these forums can burn you a chip too. He burned mine and it's been great.



1990 Summit White Galant GSX
Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

Posts: 1322 | From: Port richey Florida | Member Since: 04/08/12 | IP: (173.245.50.165) | Report this post to a Moderator

prove_it
my racist jokes aren't actually funny
715/1000
1284/2000


Galant VR-4 org Post #: 1141780 posted 09/24/13 01:46 PM     Remind Me!  Send Private Message   Edit Post   
Why the hell are you running bpr8es plugs? Even guys making 500hp rarely run those. With your mods I wouldn't use anything but stock Bpr6es plugs. Yours are way too cold and my guess is that they fouled out also.



#1284/2K NB, Totaled
#715/1K KG, Rebuilding
02 Acura TL daily duty unit

12yr+ Vr4 owner.
Honda/Acura master tech.
Family Guy

Posts: 4201 | From: Sioux Falls, SD | Member Since: 07/04/08 | IP: (108.162.221.149) | Report this post to a Moderator


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