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took my 87 gn out on saturday. car felt off right from the start. all original does have eric's chip and i have scanmaster. outside temps 85+ seemed like it couldn't build boost. all scanmaster readings were good except for ats read 103-104. after my drive put it in the garage let it cool down...

87 gn stock trying to get it running after 2 years. i have no power to the purple wire so it does not crank battery checked at 12 volts - checked large wire on starter 12 volts also where do i look next? fuses?? yes i have read every single thread on no power at starter. and i have looked at...

i am finally getting the car running again after 2 yrs. all the connectors are accounted for but where do these go? the square one is on pass side has a purple wire connector off of it (which i have found where that goes) this square one goes around to a solenoid next to the egr valve. the...

how much if any does this conversion change the backspacing. i would like to do one looking at a couple of different ones. one being the ssbc and the other the right stuff one. i am also going to be buying new wheels thats why i would like to know if it does change the backspacing. i was told it...

i see these terms alot here but what is the difference? does it matter for a strictly driven street car? or is it only on the larger size turbos? i did not see it in any of the sticky's. tom

i was looking at a thread yesterday in general topics and it went from f body radiator swap to chinese parts.i felt the need to post this. i own a machine shop so i see chinese junk all the time.i have to deal with this everday when i go out to buy tools/materials for my shop.i always buy...

i have goggled,gaggled,giggled i even ran these numbers thru the flux conbobulator with no luck. how do you find out what size injectors are by the numbers on them? the numbers on the ones i have are 3303 01d030b and 3293 010d030b. i know that this topic has been beaten to death but is there any...

i am installing a caspers knock gauge.wiring to ecm is straitforward.but the positive feed is any pink/black stripe wire? i found some going to the relay's on drivers inner fender but haven't been able to find under the dash. instructions say pink/black not on when cranking.so where are you...

i have the junkyard list.i know this has been beaten to death but what maf can we use.i know lt1 and ls1 but what vehicles are they on.do any newer 5.7car or truck work?the list i have stops at 1998. thanks

in my area we have several gas stations that sell ethanol free gas. would it benefit me to use it in the gn? it would still be 93 ocatane. or does the enthanol lower cylinder temps to help prevent detonation? as does the alcohol kits do. thanks tom

single diaphram or dual diaphram? i see pic's of duals and some vendors sell/show dual diaphram.gbody shows single diaphram. i am converting just need to get a pedal. thanks

87 gn i have a brake fluid leak.looks like it's the proportioning valve.i just received a new one yesterday from kirban.as i was looking at it all last nite i noticed that it looks like the master is leaking.i saw brake fluid on the firewall but it could be from when i changed the accumulator...

i am looking to get a new downpipe.all i am trying to do is wake the old girl up some.i am going to keep it fairly original just downpipe-exhaust-chip.the car is in excellent condition so that's why i am keeping it as original as i can.as far as the downpipe looking @ gn1's pipes and i am a...

i have searched for past posts on where to get cold air kits. but i have not found where to get what i want. i want one that mounts behind the headlite i don't want one that mounts in front of the wheel.where do i get one like i want?? thanks also i do like doing business with people that...

my gn badge was put on the passenger side of the trunk lid by the previous owner.last nite i finally removed it (it bothered me). now i need to locate it correctly.can anyone tell me what the location is from the point of the arrow to the edge and from the flat part of badge (under the...

i bought my 87 gn last november.before i bought it i really studied this site and i want to thank everyone here for their knowledge. anyways this car is all stock bought from a 79 year old guy who had it for 19 yrs.as i am going thru it. it needs just good maitenance and updating. one of the...