Gale Banks engineering are working on diff covers that passively cool the diff fluid. They've been researching the problem for big trucks and find the high shearing action from the ring/pinion gear really heat up the oil with normal use. Under high loads the diff fluid overheats easily. They...
GRM interviewed the CAM GM guys and they said they were using anti-lag to keep the turbo spooled up for off-throttle. That means dumping a bunch of fuel in a cylinder and a bunch of air in others and letting it ignite in the turbine. It's essentially an E85 powered turbine which is extremely...
For the first year or so, focus on driving and having fun with the sport. Run your car in whatever class it goes in and don't worry about the times other than trying to improve your own. If you get hooked and start getting good at it but are stuck in a tough class due to mods, that's the time to...
+1, to all of this. We'll see how it goes. If so I'm in! One other thing that ST allows is a tune that could raise the rev limit, albeit not without risk.
-Brian
Upcoming rule changes
So I keep hearing about possible changes to the rules for STP including long-tube headers and wider rear wheels. Anyone have the scoop on what specifically might change and when? It could make a difference in whether I keep the car and then what wheels I get, among other...
I'll be there for the Pro and Championship, Friday thru Friday. Fingers crossed and hoping to beat at least a few BMW's, because 'Murica!
-Brian Meyer
96 - FS
I was hoping the answer was already in this thread but since it's not I'll go ahead and ask. Does anyone know what the stock PP spring rates are?
Thanks,
-B Meyer
In FS class the PP brakes and fluids are fine, no need to change them. If I manage to wear mine out I'll very likely replace them with OEM pads - I like them that much.
No need to change the oil more frequently. I do run the Motocraft Full Synthetic because it gets plenty hot in the summer and...
For what it's worth, in the videos I posted earlier the shocks were full stiff in front, 1 1/2 turns in the rear. I haven't been able to do enough testing to determine if going softer in front and stiffer in the rear would be better and the courses for the Pro and NT were more momentum and less...
In general, I agree completely with your assessment that the front bar is more stable. I talked with Sam a little bit and I agree with him that on the stock bars and shocks the car tends to lift the inside front wheel a lot on corner exit. This is something seen a lot on RWD cars that have...
I can't recommend replacing the brake pads for F-Street. The stock pads will do just as well as super duper or even semi-super brake pads. You don't hit the kind of speed in autox that you can on the track and the brakes have plenty of time to cool off between runs, so there's really no benefit...
Really stiff rebound (like excessively stiff) will "hold" the inside wheel up as the chassis rotates, lifting the inside rear wheel and throwing more weight on the outside rear. I don't mean to suggest it's holding the wheel up off the ground, but it's reducing the dynamic load transfer on the...
A Torsen diff works by using the friction in the differential gears to "lock up" the diff. It works on the principle that some gear mechanisms work well in one direction but not the other from a driving/driven context. Think of a worm gear, easy to turn the worm forward but difficult to drive it...
I agree with your assessment. To me, your car felt more responsive in the slalom and the corner entry. I'm not sure how much of that is the front bar or the shocks but it did feel different (I'm still waiting on my Koni's to show up). In the middle of sweepers the outside front tire would slide...
In general, the advantages of coilovers are adjustable suspension height, the ability to do corner balancing, and they make it easy to change spring rates.
By itself, corner balancing doesn't make a huge difference in handling. Taken to an extreme, setting the corner balances way off from...
Hi Des! Yup, bought a GT after kinda falling for the Coyote motor in Kit's Boss. Seems like mine doesn't have nearly as much high end power as his, maybe it's the cams or maybe just his long-tube headers and ESP tune. Maybe the quiet factory exhaust just makes me think it's not screaming ripp'n...