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Since we switched to XFI (2.051) it seems to take longer cranking time before the engine fires. Going to check the crank sensor but what are good settings for cranking fuel table (60 lb injectors) and global setup parameters? Anything else? I know most GN's are not great at instant starts.

Since I am new to this kPa thing I worked on conversion to values that make sense to me. Please check and let me know if this look right. kPa table kPa psi manifold pressure 300 43.5 28.8 249 36.1...

Just started working with this system and thought starting with refining the idle would be a good place to start. Motor is stock internals, Hemco, 60# injectors, 3 inch downpipe, Precision 6360 BB billet turbo. In my opinion this motor should idle at 750 rpm all day long with no problems...

I give, can't get the cold idle and off throttle working right. Tried, new O2, MAF, IAC, Plug wires, ECM and chip. Live in Fenton area, would like to be within 70 miles.

http://www.ebay.com/itm/ACDELCO-PROFESSIONAL-213-3454-Mass-Air-Flow-Sensor-/140977586345?pt=Motors_Car_Truck_Parts_Accessories&hash=item20d2eb40a9&vxp=mtr No I do not want to spend the money and time for a translator or going mafless. Just want a working MAF and they are really hard to find.

Do not have scanner at this time, crapped out as I was working on this problem. Hope to have them soon. Symptoms: on cold start car will start fine, go to 1600 rpm's then drop to 1200, 800, 400..... die. If I use the throttle to warm it up it will drive pretty good except for slow response...

http://www.ebay.com/itm/GM-CHEVY-BILLET-ALUMINUM-LS1-LT4-LT1-MASS-AIR-HIGH-FLOW-PORTED-MAF-ENDS-BLACK-/310392358453?pt=Motors_Car_Truck_Parts_Accessories&hash=item4844d38635&vxp=mtr They just look cool, do they work?

Was having a slight hesitation off idle when the GN (87) was cold. After it warmed up was fine. I just put new spark plugs and wires on it. Car is close to stock. We thought that the Casper heated O2 sensor sounded like it would get rid of the problem so I made the change. First drive was...

I have a great local tranny builder so just need to start collecting some hardcore parts. Is there any difference in the billet parts?

Boosted 455 is running pretty good now but having a problem in 3rd. The problem happens on full throttle runs only. 1st gear is great, 2nd is great, hit 3rd and spins for a second and then totally lets go like I shift into neutral. Drive it around normally and no problems. We are do a big...

This is not a turbo Buick question but a supercharged Buick question. I am just finishing up my GSx(not real) 455 Procharger project. I plan on running 5-8 psi. Does not seem like much compared to the GN but I am starting out with 450 hp and 462 CI. Looking to be about 700hp this year...

Does the GN have the brace that connects the rear control arms. This would be the one that goes from the upper to lower bolts at the frame.

Looking for a hood that only has a good bubble section. Want to make a fiberglass mold for weird project.

I am looking for a complete AC/PS/ALT setup.

I have a CZ series 200r4 that has had some mods to it. Shift kit, hardened parts, billet servo, Bowtie overdrives TV setup. It is in my GSX with 455 running about 460 hp. I also have a D5 converter with 2800 stall. I run a 3:73 gear. Basically this setup works great if I manually shift...

Got the following back from Amsoil. They seem to understand the problem and have solutions. Had to play around to get this in so sorry about the format. OBJECTIVE: Provide facts outlining lubrication requirements of flat tap-pet and camshaft style engines and the effect of motor oil...

Fun event that you should not miss. Saturday morning, track opens at 9 AM trophies around 1 PM. $45 to race $10 spectators kids under 12 free. Will have tree brackets. This is a nice low key event. Had some complaints last meet about GN's not showing up much any more. Need to make these...

Who make the best wires for GN's? These motors make more heat than most and would like to put on the most reliable set.

We have been kicking this around all summer and I ran across a new car show that might work well for us. Classic car show at Tyrone Presbyterian Church just south of Fenton. It will be just off of US-23 on White Lake Rd. (exit 78) So close you can see the X-way. They are going to have a...

We had our 87 GN at the track yesterday. Was down .6 from normal. Usually runs 13.7 So I took it for a run. Shifted nice and firm from 1st to 2nd at 5200, then it short shifted at 4000 rpm from 2nd to 3rd. This was with the shifter left in 3rd gear position. This car has 40k on it and very...