: 11.0018 @ 122.28
Bob West Nov 6th, 05, 8:50 PM The drag racing Gods have spoken, its not in the cards for me:sad: I made 10 passes today: from 11.00 to 11.11 and a first, spinning pass of 11.48, here tis:
.024-1.533-4.473-6.969@97.66-9.158@111.88-11.0018@122.28
I think I'm about at my limit with this converter, right Todd?
BillsCamino Nov 6th, 05, 8:54 PM Sorry to hear this Bob...some of us can't get a break! :(
Are you done for the year?
Bob West Nov 6th, 05, 8:56 PM Sorry to hear this Bob...some of us can't get a break! :(
Are you done for the year?
Not yet, 3 more sundays left in November, I'll be there every one of them, weather permitting.
kjett Nov 6th, 05, 9:40 PM Bob, hang in there like a hair in a biscuit. It ain't over till the fat lady sings. You got three more chance.
10secBu Nov 6th, 05, 9:59 PM Hang in there Bob...that is so stinkin close it ain't funny.
mr 4 speed Nov 6th, 05, 10:00 PM Bob,you'll get your NA 10.99 or better,and Bill will get his 9.99..I can feel it :)
..I know all about those ET goal pains!
JOHN WILSON Nov 6th, 05, 10:09 PM Diuretics & laxatives Bob, diuretics & laxatives.
It'll come. Good outing none the less!
Bob West Nov 6th, 05, 10:15 PM Thanks John, you sound like Garret :D I did use the 1000hp today too, on the last 4 passes, inlcuding the 11.OH pass, it ran 11.03,11.00(let it cool), 11.04 and 11.06, I guess there just isnt much difference between the 950 and 1000hp, ran 11.02 @ 122.28 last week with the 950HP :confused:
ak69 Nov 6th, 05, 10:24 PM FOR THE LOVE OF GOD MAN!!!!!!! PUT ON THE RAYSIN SHORTS!!!!!! You would have had it for sure!!!!!
JOHN WILSON Nov 6th, 05, 10:26 PM Bob, I figured the 1000 would be worth a few hundredths over the 950, but I doubt it's any quicker than an outta box hp1000. Now you know you can look elsewhere for significant et reductions.
DragRacer Nov 6th, 05, 10:36 PM Bob,
Wow that was SO close to a 10.99 pass. Hang in there. You've got the MPH and therefore HP. I think a converter change would land you in the 10.8x's with traction.
Have you thought about increasing the shift point on one all out pass? You might try getting on the chassis dyno to verify peak power RPM. If peak power is at 6500 you might be better served with a smaller cam to work better with your 6000 RPM max limit.
Bob West Nov 6th, 05, 10:41 PM I took it to 6300 on both shifts and ran the 11.04 (hot lapped it) right after the 11.00, I had to be careful not to get in the rev limiter set at 6500. It pulls to 6500 easy enough, think its worth much?
John, I'm about running out of "other places" to look. The obvious is a torque converter as Jason and Todd have suggested, probably a winter project, also thinking about a HR bolt on anti roll bar, and a rectangle port Perf. RPM intake, I'm not sure how much the latter will help, but its worth a try. Picking up almost 25mph on the backhalf its not doing to bad, need more help on the front half.
EMcIllece Nov 6th, 05, 10:44 PM Bob, I know your car has it in it, you just gotta have faith and it will come.:D
10secBu Nov 6th, 05, 10:48 PM I took it to 6300 on both shifts and ran the 11.04 (hot lapped it) right after the 11.00, I had to be careful not to get in the rev limiter set at 6500. It pulls to 6500 easy enough, think its worth much?
Have you ever tried 6500 or even 6800 rpm?
Try cooling the motor as much as possible and make the run with the engine pretty cold...maybe try to stay at 140 degrees (or below) entering the burnout box.
If it's a 7 quart oil pan, drop one quart of oil out. Synthetic engine oil? What viscosity? run 5w-30 if your currently using thicker oil.
Synthetic rear end fluid? Reduce the fluid level in the rear to bare minimum.
Pump the front tires up hard...maybe 45 lbs
run the rear tires with as much pressure as will hook well...trying to reduce rolling resistance.
Granted, not changes for a driver, but shouldn't hurt to try for a few passes if being trailered.
Bob West Nov 6th, 05, 10:57 PM 15w-40 Mobil 1 synthetic, 40 psi in the front tires, 19.5 psi in the drag radials, I am running dino oil in the rear, Moser said not to use synthetic in the rear, maybe it was just for break-in? I have never tried to shift at a higher rpm until today, going to 6300. I am running a GM waterpump and viscous drive clutch fan, hard to cool, usually have to sit and let mother nature do its work. Electric fans and waterpump and I'd probably already be there. Sometimes I do things the hard way ;)
10secBu Nov 6th, 05, 11:00 PM 15w-40 Mobil 1 synthetic, 40 psi in the front tires, 19.5 psi in the drag radials, I am running dino oil in the rear, Moser said not to use synthetic in the rear, maybe it was just for break-in? I have never tried to shift at a higher rpm until today, going to 6300. I am running a GM waterpump and viscous drive clutch fan, hard to cool, usually have to sit and let mother nature do its work. Electric fans and waterpump and I'd probably already be there. Sometimes I do things the hard way ;)
Change the gear oil to synthetic...use the thinner viscosity...it's cheap and you can easily change it back if it bothers you.
Definately put an electric fan/h2o pump on over the winter...being able to control the temperature is critical IMO.
Just those few things would have certainly given you your 10.99 by now.
crankitup Nov 6th, 05, 11:03 PM Bob, sorry to here you didn't make the 10's today. I think it is time for that crash diet. Hood, fenders, seats, mybe a spare arm or leg. Seriously, what about trying a electric radiator fan and a electric water pump. Might just be enough to get you over the hump. Just don't forget to turn the pumps off in the pits. By the way, how about our Missouri native Carl Edwards, two wins in a row!
Roadknee Nov 6th, 05, 11:15 PM John Lingenfelter said long ago, "Make more torque at your shift recovery point and your car will go faster." Assuming your TH 400 is sporting stock gear ratios, shifting from 1st @ 6,000 rpm will drop to 3,600 rpm in 2nd gear. Unless you're running a baby cam, your engine probably makes more torque at 4,000 rpm. Increasing the 1-2 shift to 6,600 rpm will do the trick, assuming the engine will hold together.
The 2-3 spread is not near as bad. You could continue to shift at 6,000 rpm and drop into 3rd at 4,000 rpm. However, if your engine makes more torque at 4,500 rpm compared to 4,000 rpm, try the 2-3 shift at 6,600 rpm as will.
I read some Superflow literature long ago regarding cylinder head flow and racing engines. It stated that race engines will typically shift up to 1,000 rpm above the HP peak. It's not uncommon to see a race engine with a 5,000+ rpm torque peak and a 7,000 rpm HP peak. With a TH 400, this race engine would need to go to 8,300 rpm on the 1-2 shift to achieve 5,000 rpm dropping into second.
Bob West Nov 6th, 05, 11:18 PM Decisions,decisions, I'm sure an electric fan will find its way into the engine compartment, I have a hard time trusting an electric wp on the street. Trey, I'd cheer more for Carl Edwards if he drove a chevy :thumbsup: so its TS or JJ :)
Bob West Nov 6th, 05, 11:21 PM Not sure about the cam, xr286r on a 107lsa, not sure where it makes peak torque in a 505 :confused: I think I'll try shifting the 1-2 higher and see what happens.
505Nova Nov 6th, 05, 11:36 PM Dang Bob, oh so close. I saw the 11.000000000 pass and was thinking dang just a bit of a breeze and you'd have it.
EMcIllece Nov 6th, 05, 11:38 PM I think I'll try shifting the 1-2 higher and see what happens.
That's how I got my 10.99 Bob, shifted at 7800 compared to 7500-7600 before.
Harold Sutton Nov 7th, 05, 12:07 AM Diuretics & laxatives Bob, diuretics & laxatives.
It'll come. Good outing none the less! Ain't it the truth, John. Sounds like about 5 fewer pounds and you'll be there bob. What was the weather like up there today? You might even look for a way to get five more pounds off the car. Oh i forgot one thing, when my son's car was stuck where you are right now a Dominator and matching manifold got him two more tenths and three MPH. (481" & 12.8 - 1 compression though).
Harold Sutton Nov 7th, 05, 12:15 AM That's how I got my 10.99 Bob, shifted at 7800 compared to 7500-7600 before. That might work with a glide but it will slow you down with a 350 or 400 Turbo because of the extra weight of the internal rotating parts. If your shifting below 6500 you might get a little but over 7000 you'll likely go slower. Great big RPM drop in a 'glide so it probably should go quicker with a little extra RPM.
70ss496 Nov 7th, 05, 12:50 AM Bob,
I don't know what elec fans you want, but there is a shop in K.C. thats selling the ones I put on my car. I know, don't laugh but they are off of a Ford Freestar minivan. The shroud and all fits perfect in my radiator and in whatever kind of traffic keeps the car at 160 degrees, they are dual 14". They are only $100, the guy bought like 300 of them. I could probably get some pics if you would like, they look real nice, let me know, good luck!
Matt
undee70ss Nov 7th, 05, 1:21 AM Not yet, 3 more sundays left in November, I'll be there every one of them, weather permitting.
:) My closest track (RT66) was done at the end of Sept. With the weather we are having here in central IL they could have stayed open at least a little later in the yr. 3 more chances, its not over yet!
Bob West Nov 7th, 05, 7:36 AM Yeah John, I think if I had let it sit til he said lanes close in two minutes, I probably would have had it, but no I couldnt wait, run 11.00, 11.04,11.06 in the last 30 minutes, racing like a circle tracker :D Your car is getting down there too. Are you going to the track any more this year?
driver Nov 7th, 05, 7:47 AM I went from a bigs 950 carb to a hp1000 and it picked me up a lot.It should have picked you up??.I was running the same numbers as you and i then went to 90 jets front and rear and cut a 10.98.Play with that carb you'll get that 10.I also play around with the fuel psi i noticed that helps as well.
Make a run and pull a plug or two,Im sure you already know all this but sometimes we forget or just over look it.Have fun at the track I got to go out west for a couple weeks.Bill
BigRed-L72 Nov 7th, 05, 7:53 AM Bob..do you have an air pan that seals to that hood?
If not, you might want to try one.
Do you run with an air filter? A good filter can actually help.
I agree, if you put an electric water pump drive on, you can get the temp down to 140* or less,that alone combined with 5-30 or 0-30 Synthetic should bag that 10 sec time slip for you.
I don`t agree on winding out 1st gear though, 6000-6200 seems about right. Shifting 2-3 a little higher might help though.
Bob West Nov 7th, 05, 8:08 AM I use a 14x5 K&N filter and K&N top. I may invest in another Moroso wp drive in the future, I had one a couple years back and after leaving it on,running the battery down, I took it off and sold it to a friend. Hindsite huh? Thanks for all the suggestions guys.
505Nova Nov 7th, 05, 8:13 AM Yeah John, I think if I had let it sit til he said lanes close in two minutes, I probably would have had it, but no I couldnt wait, run 11.00, 11.04,11.06 in the last 30 minutes, racing like a circle tracker :D Your car is getting down there too. Are you going to the track any more this year?
We were all loaded up and I was ready to jump in the Burb and looked up and there you were staging again.. You definately got a lot of passes in yesterday :-) I should have made another pass too but was tired after wrenching on the car all day.
I'm going to try and go again next weekend if Mother Nature cooperates, still have a lot more testing I'd like to do before calling it a year.
Eric68 Nov 7th, 05, 9:22 AM Congrats on the new best N/A time Bob :D You are so close its not funny . . .
You know with cooler weather this time of the year you could just plain remove the clutch fan (make sure you put shorter bolts in the pulley though) -- that ought to be worth a couple hundredths.
Thinner oil in the motor (like 10w30) in the motor might be worth some ET too. And I have used synthetic in the rear end with a posi and it worked great -- not sure why someone would tell you not to. Synthetic generally doesn't need the friction modifyer either.
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