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I found that 18 psi worked good with my 275/60/15 BFG drags

I just replaced my alternator with an optima lifetime 120 amp alternator from oreilly's and it charges about 13.5-13.7 but when I turn on the ac it barely gets over 12 volts. It says ac delco on the back of the alternator but just doesn't perform like I think it should. Should I go with a...

I have a brand new GM pressure switch never even been plugged in that I'll sell you for $160.

I'm using the GN1 T&D 1.55 ratio rockers. So far so good, they look sweet too!

I use Autolite 103's, which are the same heat range as the AC42's or Autolite 23's used in stock heads. The plugs for the GN1's just have longer threads.

I just used good old teflon tape. No leaks.

The other day I went to drive my car and all of the sudden the speedo was not working. It's in the tranny securely and seems to be connected under the dash. Any ideas?

If your 9/16 has a little play you could use a 14mm which should fit rather snug.

I use the stock GM gaskets, no o-rings. So far, so good.

I havent been able to run the car yet because I've been working through some bugs and what not but I am expecting a final result of low low 10's with this combo. Some have dipped in the 9's with the parts I have but I dont know if I have the guts to push it there, simply because my only other...

What effect will all those codes have on the way the car runs? I'll check in with Steve Yaklin about my maxeffort. Thanks.

The car has not been running right lately and we hooked up the turbolink and it showed 7 trouble codes. codes: 34 42 44 52 54 55 53 According to Turbolink, all the codes could be ECM related. I have a modded ECM for 72 lb. injectors with a maxeffort 16 pos PROM. The prom is...

Does anyone know the size of the bolt that attaches the ac lines to the compressor? I'm trying to get my ac blowing cold again and can't find that bolt. Hopefully someone here will know the size so I can go match one up. Thanks

I hope you mean pump gas and not 87 octane:eek: .

I just blew out my third wheel cylinder on the drivers rear last night. This has all happened within the last 2 days after thorough examination of the brake system I think the problem lies in the proportioning valve giving too much pressure to the rear brakes. I noticed that the button on the...

Well the moment I've been waiting for since January finally came tonight when we started the new motor up. Everything went good with the exception of the car not maintaining fuel pressure. Pressure would hold constant for a few seconds and then immediately fall off causing the car to die...

As to whether your car will hook decently with a regular radial(non-drag), it just depends on how powerful your car is and how good of a suspension setup you have. I couldn't get my old street tires to hook for the life of me, even from a 50-60 mph roll. I always ran 23 psi boost with my 110...

My GN is the only car that I own so I drive it everyday and havent had a problem in the rain yet. Thank goodness I have a motorcycle for times like this when the GN is out of commission. I'm on my second set so far. The 275/60/15's have a deeper tread than the 50 series.

I got 6K miles on my last set of BFG Drag radials 275/60/15 and would have gotten more but one of them blew out on me so I just decided to replace the set.

I think he was talking about putting away his stock uppipe and using the mandrel one he got off the board.