I guess it would make more sense from a cost perspective to try the 8.5", the GN guys use them and they make huge power. Maybe add a mini spool. I'm starting to think a trailer is the way to go... On Sun, Oct 23, 2011 at 10:55 AM, Robert Adams <elcam84@xxxxxxxxx> wrote: > > > On Sat, Oct 22, 2011 at 10:21 PM, Chris Lindh <chris@xxxxxxxxxxxxxxxxx>wrote: > >> I wanted to go drag racing to help me decide the direction I want to >> proceed with the '80. More power? Durability? T56? >> >> The drive to the "Atlanta" Dragway takes an additional hour on a Friday >> due to rush hour and the race track being 70 miles from Atlanta. > > > Texas motor speedway has been doing 1/8 mile on pit road for a > few years now. Not sure what they charge. It's not far from the house here. > Ennis is a long drive. 2 hours or so on a good day. > > > >> The lifesaver? Ear plugs: with no carpet and headers the '80 is loud. >> I arrived at the track 30 minutes early and was first in line. Paid $20 and >> proceeded to tech. The tech inspector passed the '80 without comments, I >> wanted to ask him what things he looked for, but I was in a hurry... to then >> wait 30 minutes for racing to start (hurry up and wait, this seems to be >> common theme for sportsman racing). >> >> First run, blew away the tires off the line and in every gear thereafter. >> Clearly traction, or the lack thereof, would be the theme of the day. 16.3 >> at 88MPH. I had hoped to be quicker. Although the Marauder in the other >> lane blew my doors off he red lit... so I win dammit. >> > > I see it as he lost. > > >> >> Next run 15.4 at 103MPH. This is more like it. 103 miles per hour >> calculates ~300 hp to the wheels, and the elapsed time should be 13 flat. >> So I'm not putting the power to the ground... should this be a surprise? >> Air shocks, Eibach springs and hard tires with little sidewall... like a >> recipe for no traction. I did lower the pressure in the air shocks, but I >> was afraid to lower it too much lest the 275/40s get into the fenderwell. >> >> I hotlapped the next 4 runs, all 16 something at ~97 MPH. Then I was told >> I had an oil leak, so I made a banzai run to a local parts store for a valve >> cover gasket and swapped it out in the parking lot. >> >> I came back and made 4 runs, getting into the low 15s at 97. I wonder if >> the 103 MPH run was correct? I took a break to snap some photos of other >> cars (night shots, mostly blurry, I need a monopod). Something happened on >> the track so the line to race got long, so I headed for home around 9:45. I >> was pleased to have made 10 runs, I data logged so I can tune places on my >> fuel map that I will never see in street driving (high load, high RPM). >> > > Must have had a good tail wind on the 103 run. > > >> >> Carnage to the '80? Header collector gasket (sounds like a log truck) and >> possibly the heater core. Not bad all things considered. Where do I go >> from here? For traction I at least need to install the load leveler springs >> and air bags waiting on the shelf, then maybe drag shocks? (I had planned >> on Bilstein shocks like the front) Drag radials or slicks are a >> possibility, but too much traction will no doubt lead to the demise of the >> original 7.5" rearend, driveshaft, or both. I have an 8.5" from my >> Malibu... or maybe go to a Ferd 9"? >> > > The 8.5 is more than strong enough and an easy bolt in. The 9" > has more friction due to the pinion gear being higher on the ring gear. > > >> >> A trailer would be nice, take the worry out of breaking something at the >> track & being stranded... I'm visiting my brother next weekend and I may >> come back with his trailer and my old MGB. Our driveway would look like a >> home for wayward cars... >> > > > > I would be leary of driving a car to the track to race. > Well anything other than a stock newer car. If you are going to make a habit > of it I'd look at buying a trailer. Real texans have a truck and a 16' > trailer... Well it seems like it here anyway. > > > > Robert Adams > >