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Hey guys, I have a few parts laying around I need to sell. Stock Gn heads with 75k miles and LT1 valvesprings. make offer Stock GN lower intake plenum looks new make offer Stock GN intercooler good condition. make offer Stock GN D5 good condition make offer Make an...

Hey guys, I just got done getting the motor together after swapping heads and intake. Now I try to start the car and it wont start. The fuel pump doesnt prime. Any ideas why it wont start?? Thanx Don

How important is it to have the ground wires in the back of the passenger side head on. I was able to get one set on but the other is tuff. Let me know Thanx guys

Im currently tearing my motor down and swapping off the stock heads and intake for some ported ones. Should I go ahead and change the camshaft while I have it apart?? I was gonna just leave the stock cam in there. It already has a brand new cam button on it and the timing chain is brand new as...

I currently have a PT54 and 55lb injectors with all the bolt ons. Im currently swapping out the stock heads and intake for a set of nice ported ones. Im thinking about upping the turbo possisibly. Been looking at the PT67 or PT70. Was thinking about the PT70 now that cottons has a deal going...

So in the spring when the track opens, I am running my buddies LT1 Camaro. He had just gotten heads and cam on the car last year, and is saving for a rearend as we speak. Im sure he'll come out on a slick when he has the rear done. He has a built auto trans with a trans brake, and all the bolt...

Anyone have this intercooler and have some pix of it on their car? That would be great!! Thanx Don-

Every once in a while when I first start my car, it will smoke from under the hood for a few seconds. The drivers side breather is filling with oil seeping thro the filter itself and dripping onto the head thus making smoke. What causes this and is there any fixes?? Any help would be great Thanx

Hey guys, I am currently running a 93 octane street chip on 100 octane gas, seeing about 20psi of boost. Car seems to run great. Just wondering would I see a difference running on 93 and like 17-18lbs like the chip is designed for or no. Just a thought Thanx

Well I decided to take the GN to the track on Sunday even though it was almost a 100 degrees out. Knowing I wasnt gonna run stellar times, I went anyways. At least I could get to know the car, since I havent launched it much yet. Anyways, heres what my slip looks like. R/t - .069 60'-...

Hey guys, Like a month ago when I decided to pull the turbo off. When my buddy who was helping broke one of the nuts from the header studs loose, he lost it into the engine bay somewhere. We looked and looked, and could never find it again. Ive been running just two out of the three nuts on...

I was just trying to get the pcv valve into the grommet. The grommet i guess was old and ended up cracking in two pieces. The bottom portion fell into the hole, and is now lost in there. Am I ok, or do I have to pull the intake and get it out. Theres nothing moving or air going through that...

I finally bought the right brand pcv (ac delco). When i checked the old one i couldnt remember how far in its supposed to go. So i left it at just with the bottom nipplein the whole and the rest exposed. Is this right, or should it go all the way in to the lip around at the other end. I...

Hey guys, I have a atr external wastegate on it, stupid question. When adjusting the nut on it, what does bringin it in or out do. I have a boost controller on it now and I have it all the way out, and it still goes to like 25lbs still. The nut on the wastegate is like half way in and out...

Hey guys, My car still just has a mbc on it, and its fine when its warm out, but when its cold obvously it makes more boost. It makes too much boost when its colder out. I turned the mbc all the way out to the point where all the threads are almost out of it, still wouldnt lower it. I have...

Hey guys, I get a CEL when I let the car sit and idle after its warm. Say I'm driving the car, and I hit a long stoplight or traffic, the cel will come on til I start moving again then itll go off. What could this be, any ideas would be great! thanx Don-

So last night I was coming home and I heard something blow off under the hood, I get home and the tube from the throttle body to the intercooler blew off at the throttle body, so it was sucking air directly. So I put it back on today and go to start the car and it wont hold idle now and dies...

Hey guys, I still have this problem with smoking oil out the tailpipe every once in a while. It only seems to do it after the car is hot, and after boosting a few times, or come to a stop after getting on it. Itll only smoke for a few second and then usually stop. If i drive the car like a...

Hey guys, I have this problem with the car smoking through the exhaust sometimes after the car is hot, and usually when i come to a complete stop never while im in motion. I was told it could be my turbo seals, so i emailed Limit in AZ, and he just emailed me back and told me what it could...

One says MAG-IV, another just says 55 - 108 , and the last says ACX A 0942. Any clues, or thoughts would be great thanx! Don-