Don't get me wrong as you are doing pretty much the same with the GT350 as some of my generation did back in the late 60's with the Boss 302's and the Camaro Z28's.The dragstrip is fun because it returns definitive results. There are a lot of factors that go into et & mph, but I have fun establishing a baseline for the cars performance when they are bone stock and modified. I went 12.3'[email protected] in my 12 Boss and 12.1'[email protected] in my 17 350, both bone stock, I'd be shocked if the 18's go quicker then that, at least the manuals.
All of us knew back then that the '67 Camaro Z28 and the '69 Boss 302 cars were more at home on a SCCA road course than at the drag strip based on poor low end torque from these high revving 302's but that didn't stop us from heading to the strip with these road course based cars.
Case in point a friend of mine namely Mike M. who lives in Mission B.C. traded in his '67 Mustang GT (390 4 speed) in 1968 on a brand new '68 Z28 Camaro and decided that he was going to the local Mission drag strip and going to race his car 1/4 mile at a time.
Off went all of the smog equipment, Doug's headers in place of the stock exhaust manifolds and a Hurst shifter in place of the stock Muncie unit and away he went.
Mike knew that his Z28 was more of a road course car that a quarter mile terror but still wanted to race it in a straight line and had a lot of fun doing so.
Last time that I was at his place his '68 Z28 was still parked in his garage in Mission with his cat sitting on the roof of his car and parked right beside the Z28 was his White '97 Acura Integra Type R that he also bought brand new.
I have not talked to Mike for some time and hope that he is well and still has a couple of these great cars in his garage.
Getting back to your GT350 keep us all posted as to what progress you make going forward with respect to your quarter mile adventures as it will be fun to watch!!