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The cam doesnt sound all that crazy, so is it more the tune thats the issue? Also did you keep all the sensors? So it does really run rough even in closed loop?

I was just reading your post, you say it runs great in closed loop, but then say it idles rough in closed loop. What do you mean?

Ive seen all those links actually. Ive been researching for a while, they have these GM TBI's running on just about everything. The biggest obstacle for me really is just fuel delivery. I need to know if any other G body tank fits with out changing the neck, and where to buy the hanger for an...

I actually have the distributor from the 307 CCC system. So Im good there. I just have to search the junk yards for a 4.3 car. Will the neck be wrong from the Grand Prix Tank? Im having trouble finding the hangers what would be a good source for a stock replacement? Also was the stock carbed...

Well think about it like this, I could buy a 403 Q Jet, then buy a lock up kit, Then test and tune and buy rods until I get it right. Or I can use the TBI and let the 02 tune it. The 350 tune should be similar to the 403 so I should have a decent baseline. If I remember right the 350 and 403...

I read that the aftermarket tanks had trouble venting, mostly during fill ups at a gas station, and that the baffles aren't done as well. But most of the posts I read were at least 10 years old. So who knows if the manufacturers have gotten them sorted out now. I was hoping someone would have...

I have an 86 Cutlass with a 403 and a 2004r, I originally wanted to run the CCC sytem on it. But I never got the carb set up right and the car has been sitting for the last 2 years because of it. I was cleaning out my garage yesterday and I got an idea. I have a TBI setup off of a 305 or 350...

I went out and checked and I made a huge mistake guys I am sorry its 2.56 Still not great but better than 2.5 I have a Monte SS 373 posi rear the previous owner gave me that I want to put in but water got in it and its seized. I also have never rebuilt a rear before so Im waiting to get the...

I don't think the gears should be too much of an issue at this point, the trans and rear are original to the car and worked with a 307. I know my 403 is putting out more power than a 307, it wont be amazing off the line but shouldn't be too much of an issue. As far as the headers Ive seen a lot...

Hi, Ive been away from my project for a while and I am forgetting things. The car has a 403 with a 2004r and the stock 7.5 inch 2.49 rear. I kept the CCC Carb set up. However I am running headers and never installed my O2 sensor which I intend to do. The short story is I got hurt went out on...

Hi, Ive been gone a while and really forgot a lot of stuff. I have an 86 Cutlass Supreme it has the factory Chrome 442 type wheels on it. Im running 205/60/14's in the front, how big can I go in back. Id like it to be a Radial T/A size so I can match them front and back. The car has a 403 with a...

Joe just helped me out and sent the adjustment procedures. The seem to rely about 90% on a tube shaped gauge, I think I found the right stuff thought. Before I order them I just want to make sure these are the tools I need http://www.autozone.com/autozone/access ... 59562_0_0_

What is the factory setting? Ill just do it that way.

In the rebuild kit it says there's a hollow tube im supposed to push down into the opening then adjust the screws. considering you just used rods, did u just adjust for best vacuum?

So my project kind of sat for the last year and I finally got back to it the other day. I have a 403 in an 86 cutlass with headers, and a comp 268 cam. The intake manifold is factory 403, I removed the EGR tubes and plugged them, the intake has been drilled for the temp sensors, and I have all...

I had the factory chrome rally wheels but they were beat to death. When I was working at the shop I fixed this guys 74 Vette, and he gave me the 70s American Racing wheels and tires off the car when he bought new ones. So the rims kind of look like the Vector wheels but with more spokes, and I...

I made a mistake theyre 2.56 gears.

Thats actually my problem the gear choices the calculators give me dont exist in real life, what can I do?

I have an 86 Cutlass with a 403, 200r4, 2.49 gears, and 235/70-/15 tires. I cant find a gear combination that will work with my car, what should I do?

I have an 86 Olds Cutlass, with a 403, the car has from as far as I know factory Rally gauges,however at a confirmed 800rpm the tach reads 11-1200 RPM, at 180-190 Degrees my water gauge reads 220 Volts are always 12.5-13, I know my charging system is in good condition, my battery is strong, and...