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My motor blew at the last event. Apparently spun a rod bearing. Did not see the oil pressure drop. Did not hear a noise. Spare engine is ready to install. First i need to clean up the engine bay from the fire. Hood burned too. Install the Holley ecu sine we have chase an issue with the car running rough at idle sometimes.
Yes we plan on running at least one event before Nationals. Need to meet you and the locals and see if we can get some tips, I learn alot better by following. The problem is taking advantage of the tips, maybe by the end of the second day i will have learned the track and turned a decent lap.
We only care about running in socal to get qualified for Nationals.
We had a spare engine. Ready to go in. Since we had a fire, the firewall needs to be repaired. We also put the clutch line inside the car.
We always had an issue how the car starts and idles sometimes. Sometimes the car would start right up by just pushing the start button, other times we had to turn off the injectors and turn the car over and than try and start the car. Other times just a little gas it would start, revving to 1500rpms until it sounded right. Other times it would not take of easing into the gas, keep dying. Hopefully the Holley will clear it all up.
A have spent many hours sorting out this car the way i want it to be. Biggest issue was braking. That seems to be fixed. The front straight at Utah is about 3500ft. Speeds for me will be some where around 180mph i am guessing. Willow Springs front straight is around 2000ft. Going to make sure i have new pads and rotors for that event. Will update when things progress.
My c7z with 573 wheel, eos zr1 wing and small front splitter hit 156 to 158 depending on session temp. 2:00 flat on falken rt660. Friends zl1 1le's hit 152 to 159 one stock, one Calloway 2300, one ported blower. 2:05 to 2:01 lap times. Yoks
180 would be huge. My cars was slow above 145 though with lg cooling kit.
My c7z with 573 wheel, eos zr1 wing and small front splitter hit 156 to 158 depending on session temp. 2:00 flat on falken rt660. Friends zl1 1le's hit 152 to 159 one stock, one Calloway 2300, one ported blower. 2:05 to 2:01 lap times. Yoks
180 would be huge. My cars was slow above 145 though with lg cooling kit.
I already figured i was wrong. Want to go out there and play with you fast guys soon.. Best way to learn the track is find the fast guys. Engine is still out of the car, just finished fixing the firewall where the fire was at.
Do you think it slowed down ( i would never call your car slow) because the lg cooling kit? Strange? Was the ait high at that point causing the timing to drop? You Z has a vented hood? Gearing maybe, if you had to shift at that speed?
Last edited by slow04cobra; 01-01-2024 at 05:32 PM.
Loved the video in post 6!
You asked for driving tips so here goes.
(I spent 27 years at pro-solo at a high level, where you only got 3 runs to pull off a perfect one, so turn analysis was critical.)
This is the entry to the main straight. Maybe 15% of the way into the turn.
Ideally you would like to at WOT for 75% of the way thru this turn. It would gain you a couple mph on the whole straight.
The other two cars pull away from you on the straight this time because they did it better.
To do that, brake hard early, turn early, straighten the car some and go to WOT at 25% of the way into the corner.
Not far past where the silver car is now. Yes you shorten the little straight you are on now. But you just made the main straight longer.
I heard you hit the gas at 50% corner, a little late.
I would aim for a little straighter here a bit longer. You are still on the gas here, a little too long. There is no time to be gained on this tiny straight.
He just turned at this spot. He winds up with a very late apex, later then yours, but he may have gone too far because he does not drift to the outside curb.
You do not apex quite as late but drift to the curb better. He gained 1 or 2 mph on you and held it the whole straight. If you jumped on the gas earlier you would have to lengthen/straighten the turn out more.
If you can find the sweet "spot", by braking earlier, be at WOT at 25% of turn, apex it very late like at 75%, and drift all the way to the curbs without having to lift, you nailed it. You will have more speed and it will last the entire main straight. So this is the most important corner to nail. It begins at this spot.
He apexed really late but left room at the curb at the end, you turned too early and apexed too early. Neither was spot on. I would push the earlier/brake/turn/gas and late apex until you do not drift to the curb. Then that is a tiny bit too far. If you have to lift to avoid going over the curbs, or have to wait past 25% to hit the throttle, you apexed too early.
At the other end of the straight you did much better than they did, by doing exactly the opposite to extend the straight.
You braked late on an angle, early apexed, braked til mid turn, turned late, drifted all the way to the curb, and caught both cars. They were in mid track at turn exit and did not nail that one..
Been really busy with other customers cars. Bought a Holley Terminator X Ecu. In the process of wiring up the whole car. One reason is the factecu gave up inconsistant idle. Sometimes it was great and other times in impound i had to keep my foot on the gas while moving forwards and i touched the brakes and pushed in the clutch. Died so many times. No power around idle rpm. About 2000 never an issue. I am running e85 and most of the time just turn the key and it start right up. Other times you would to try and start it many times before it did start.
I turned the intake manifold around so the the intake tube was a straight shot into the intake. Mostly for better down force dince zhe throttle body and intake tube is not blocking the air extractor hood.
Well, i will be running inTTU with Nasa. Looks like there will mostly be 2 of us. In TTU they have betwe4 and 11 people. I just finished wiring up the Hollry Terminatot X. Starts right up all the time from outside the car. Dyno at the track on Friday.
I was thinking about Utah, around 150 to 160 mph is not good for acceleration with the aero most of our cars have. My inteliable Mti sequential transmission has a .877 5th and with a 3.90 gears my car has it shpuld mph slightly higher than stock geared transmission.
Just a thought.
09-27-2023, 07:38 PM
