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I picked up a set of heads the other day and I would like to know a little more about them. They have been CNC ported on the intake and exhaust, and the chambers. Best I can tell with a pair of calipers and the valves still in the heads they are 1.77, 1.50. Only marks I see on them are "ESP 48"...

Same old story. Pulled the pan to change fluid and filter and found chunks in the pan. Anyway, I had made some changes and it was really starting to spool up nice on the brakes. So did my changes help or is it just dumping charge pressure to the converter with all that stuff flopping around, and...

Has anyone went from the full throttle to a BMR, spohn, or hr bolt on drag bar? How much difference did it make? My Malibu goes 1.40-1.42 60' consistently with relocation brackets and the full throttle bar. I'm debating upgrading the Malibu and putting the full throttle bar on my GN.

Good guy to deal with.

I need a good core. Must be verified from BRF trans, and never restalled. Not interested in any from MCSS or 442. I have those already.

My compressor locked up a few months ago, and I decided to fix it today. The family gets unhappy riding in a black car with no air in 90°+ Alabama heat. Anyway, the correct compressor for the Buick is $200+ and a special order item. So I started investigating other options. A compressor for a...

Motor is fresh, trans is fresh with D5 converter. Everything seems good. Car drives nice, has good manners. But it is not as strong as it should be.I have it tuned in on 18psi on 93. Stuck a wideband on it today, and afr is 11.7 in high gear at WOT. It will not get out of the 9s in the 1/8 at...

Anyone have one for sale before I drop $250 on a new one?

I have not been happy with the shift points or firmness in my GN. I changed the servo the other day and it had a plain servo. I was under the car yesterday and noticed the tag was KCF. The 200C servo and pin helped the firmness a little, and I am going to block the second gear accumulator as...

Probably too good to be true, but but though I would share. Turbo T $1500 http://bham.craigslist.org/ptd/4818629614.html

Car had been inoperable since probably the 90s. I built the engine and it runs now. But not well. It wants to cut out like turning the switch off and back on at idle and low rpm. Throttle blade set, tps set. It will idle and randomly cut out and die. Cruises fine, runs okay in boost. Bang on...

First off, no I do not have a scanmaster yet. I bought the car not running about 6 months ago, and had to build the motor. I just got it back up and running yesterday. The chip says on the bottom 86-87 strt lthl. So part throttle is really nice, drives around great. But when it starts building...

I guess its a grommet...my motor was painted yellow, and was apart for some time waiting on the machine work. Somewhere between stripping that hideous yellow, and re assembly it has disappeared. Does anyone know where I can get another?

When I got my GN someone down the line had painted basically everything on the engine except the block and heads yellow. The intercooler, puke tank, windshield washer tank, and the radiator hold down were yellow as well. I will post some pics in a bit. Anyone else have any good stories and pics...

I bought my 86 Grand National not running. I got it home and after fixing some things, I got it running. The engine was knocking and I am finally getting the block and rotating assembly back this week. When someone rebuilt it, probably in the late 90s as the bearings were dated 97, they tossed...

I am doing a rebuild on my '86 GN. Someone was into it before me, and made some mistakes which led to me having to build it. I bought the car as a non running basket case with supposedly only a bad turbo. I got it running and put a kit in the turbo, abd discovered the motor was knocking. I...