Pro Touring vs Grand Touring?





Richard
Summit has them- http://www.summitracing.com/parts/am...FWVp7AodMVAAAA
I did a 67 Nova SS a few years ago. Stroked LS motor to 427 cubes. Chassied dynoed at almost 500 rwhp. New coilover front clip and four link rear. Was it fun to drive? Yes. Was it a little scary with all that power? Yes. Had to be careful. My wife driving it (she's a very good driver) lit the tires up at 45mph and got a little sideways while passing a car was a bit scary.
My latest project is a 71 C3 vert with a stock LS1/4L60E combo. I really wrestled with how much motor? Bigger cam or not? How much brakes? How much suspension? Settled on stock C3 brakes with upgraded pads. Composite rear spring with Bilsteins all around. Nothing crazy just good parts. Borgesen steering box.
I don't need air since I'm in MN. Do need cruise control. The old foot get's tired after awhile. Heater and defrost is required along with good wipers. Great cooling system required.
We won't take 3000 mile trips in the car but we will hit a few legs of the Power Tour from time to time. Last year in our 73 Camaro LS3 combo we spent 3 hours idling in traffic getting into the WS Dells venue. Never overheated at least not the car. Needs to have that level of reliability.
Truly the best road car I've done so far is the car I built last winter. It's 1999 BMW 3 series vert. I put a built (mildly) LS1/T56 magnum it and upgraded the suspension. Super nice car to drive. Kind of like a M3 with 150 additional horses. Again more of a grand tour car than pro tour car.
Well everyone have Happy New Year. Thanks for all help on the LS swap.
I modeled the C2 after to 60s era track cars and plan to do the 68 after the L88 track cars like the C3 Lemans car. Both cars are more hot rods than anything else.
In both cases, Ive gotten carried away with hp. Ill see what the chassis can handle and then detune with a milder cam and less lift, lol.
They have to do everything, and do some long hauls.
As I recall they were very well built, and went fast!
Anyone have some examples?
R
Looks very good, those Flares are perfect. Finally got the Grand Sport back from Jeff after only 7.5 years. Sold it 2 weeks later, it lost it's luster with all of the stress of that fiasco! Anyway keeping the 68 White Vert. Good Job on your build, you have a talent!!
Regards, Michael
At first I was pumped about muscle cars getting upgraded w/modern parts. Resto Mods are still my favorite.
Then they started competing! Now they are race cars.
750 hp and NASCAR spring rates do not make for a car that is really driveable to me.
I want to get back to the idea of the Grand Touring car. Something that was driven long distances cross country back in the day.
Perhaps what they need is a 50mi road test, w/ride quality factor?
Something more real street, that can be driven a long distance.
Building up something that can't be driven on the street does not interest me.
Who has a Grand Tourer?
Any thoughts?
R
I just grab what i like and build my car,
PT or GT?
I dont care what wiki, websters or carcraft says its definition is the simple fact is its something that has a different definition to each person you ask.
While i find some builds all about poustering, bragging rights and many times those are the ones that never see tracks, maybe the tracks parking lot, if those cats are happy, more power to them.
Other over the top builds are just what the builder desires and i fully support that but it might not be my cup o tea at all and the next guy not liking a build shouldnt but does get some guys butthurt because they build to placate their egos, big as mountains fragile as glass.
I deeply love many builds here but to own and drive them, no, like with my 81 wide body sometimes too much over the top takes the fun out of it for me.
My 81 was actually more fun to me bone stock.
So call it PT GT whatever you like, build to please yourself keeping a bit honest with what you will do with the car and i would bet you a Coke you will have more fun with it, i know i will with mine.
your battery solution is wicked btw, I didn't even know Optima made 6v batts let alone would have thought to split them up like that, very pro-mod!
The Best of Corvette for Corvette Enthusiasts






I may add fuel injection at some point but I've given up on doing an overdrive transmission. I have about 400 horsepower 355 gears and a9" 2800 convertor. I can cruise at 80 all day long and still pass people.ive upgraded the suspension the side pipes are loud, and it's about perfect for me.
I'd jump into that Car and take out from here In Florida and go to new York and not think twice about it. My car and ones like it have something these hi buck builds will never have and that's soul.
Mike
Last edited by v2racing; Aug 29, 2018 at 12:13 PM.





Grand touring definition: Wallowing through every curve in the road, gutless low MPG motor, marginal braking ability. Mainly do to the 255 tires that after a few heat cycles lost most of their traction. Grand touring does not mean Sports Car or Protouring.
Year ago I was at the Mid-Ohio road racing track for a Historic Can-Am racing event. We always arrived days early and set up the transporter tent and got all the cars prepped and cleaned. Well Mid Ohio was part of the Hot Rod Power Tour. The power tour does every kind of event during the tour. So we got to see all these muscle cars of every age taking on the road course. Some of them were extremely well setup with talented drivers. It was real bragging rights to fast time the events.
So these highly modded cars fit in the Pro-tour class.
When I was younger I drove across the US in my vette a couple of times. My longest by myself single continues drive was 1680 miles with just gas and go stops. I was looking at my Odometer last night and it was over 170,000 miles. So I qualify as a pro-tour car.
I just wish that we didn't have speed limits in the US. I really like driving in the EU




Last edited by CiroRacing; Dec 7, 2018 at 08:10 PM.
I could hardly stand up straight after the day at the wheel-the stock seats I had cleaned up and fixed were fine examples of '60's ergonomics. Looked good and stylish-no support. The 4.30 rear axle allowed the original little motors, later enlarged and strangled with smog controls let it scoot at low speeds, but it was miserable on the highway. The car was too noisy at cruise, the top leaked when up. Etc. Etc.
After that weekend I resolved it was time to stop trying to make it look better or go faster. It was time to make it enjoyable. This entailed a switch to 3.90 rear gears, nice high quality aftermarket seats, installation of later model hood inner lining, a nice smaller slightly smaller leather covered padded steering wheel and more.
Ultimately I got it developed to the point where is was comfortable and fast for what it was and I put many thousands of mile during long distance road trips on that machine. I changed things many times slowly getting on target. It was never off the road for long as opposed to being a ground up high spec garage build. I think it is valuable to make incremental change as it is easy to get carried away over building the car and ending up with something you don't really enjoy.
For me enjoy is something that is fast fun, good handling and a pleasure to take long road trips. If it can't do that I don't wnat it. No disrespect to those that build track rockets, quarter milers, show cars etc. I love visiting shows and seeing what you have done










