View Poll Results: Do you stay in 3rd or shift to 4th ?
Of course I shift into 4th !
27
40.91%
No, way..I cross the line in 3rd !
22
33.33%
Sometimes I do, and sometimes I dont ...just not sure ?
10
15.15%
I do like Frosty and shift into second just before crossing the line ! lol
7
10.61%
Voters: 66. You may not vote on this poll
POLL: 1/4 Mile Racing - Do you stay in 3rd or shift to fourth ?
10-22-2003, 07:37 PM
#3
Dyno plot says I have the most area under the Administrator curve
Join Date: Jul 2001
Posts: 7,060
Err, really goes on a car by car basis. Some stock guys have had better results shifting to 4th while others have had better results leaving it in 3rd. I've looked at this in CarTest before and the difference for a stock max is less than like 0.01s. As you add mods though and accelerate harder, you'll have no choice but to shift to 4th unless you have an MEVI.
00-01 guys just leave it in 3rd with all the top-end.
shame on you
10-22-2003, 09:41 PM
#9
Humm... When I go to the track I leave it in third, or I shift into 4th. I get a faster trap if I shift into 4th, but crappier time. If I leave it in 3rd, I get a good time, but my trap speed sucks.
10-23-2003, 08:39 AM
#11
Not DAVEB the parts guy
Join Date: Aug 2000
Posts: 8,555
According to my dyno with the USIM, my car's ideal shift point on the 3-4 was at ~5900rpms or ~6100rpms indicated on the tach. With my car, shifting to 4th netted me a consistent drop .1 in ET and a gain of ~1.3mph in MPH. I can shift the 3-4 much quicker than my 2-3.
Now I have the MEVI and just hold on to 3rd the whole way. According to the shift points I calculated from Requin6's dyno of the MEVI/JWT, the 3-4 shift should occur around 6800rpms. It doesn't really matter though because I'm crossing the finish line at indicated 6700rpms in 3rd.
Dave
Now I have the MEVI and just hold on to 3rd the whole way. According to the shift points I calculated from Requin6's dyno of the MEVI/JWT, the 3-4 shift should occur around 6800rpms. It doesn't really matter though because I'm crossing the finish line at indicated 6700rpms in 3rd.
Dave
10-23-2003, 10:02 AM
#12
Dave, Sprint and I have had a long discussion on this in the past.
When my car was NA I ALWAYS found that I got better times holding 3rd to the redline. For awhile I didn't need 4th.
Once I started running 14.5's I found that I had to shift into 4th gear, but I still would hold 3rd to the redline before doing so.
Now that I'm boosted with a MEVI, I hold every gear to the redline for the best results.
When my car was NA I ALWAYS found that I got better times holding 3rd to the redline. For awhile I didn't need 4th.
Once I started running 14.5's I found that I had to shift into 4th gear, but I still would hold 3rd to the redline before doing so.
Now that I'm boosted with a MEVI, I hold every gear to the redline for the best results.
10-23-2003, 12:26 PM
#13
with a 6spd trans i believe you have to shift into 4th....atleast i do.....i hit the fuel shut off in 3rd about 150 foot before the traps......like to be able to keep it into 3rd,im sure the extra shift into 4th is costing me about a tenth or more in the 1/4
10-23-2003, 12:46 PM
#14
Old Maxima Legend
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i shift into 4th when third seems to sound like she is giving up ! it appears to be another 15 yards before the trap maybe more or less.
4th is giving the chariot better times !
4th is giving the chariot better times !
10-23-2003, 12:48 PM
#15
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Originally Posted by h2kFrosty
I Chose The Last One......... 
10-24-2003, 01:12 AM
#17
Spelled with a I not a L for Iilac. Prounced Ii-eee-ack.
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Join Date: Dec 2000
Location: Central Valley, California
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I seem to do better when I stay in fourth with ypipe and intake. I haven't gone out to the track with mevi and the jwt yet. Hopefully soon.
11-14-2003, 10:51 AM
#20
Originally Posted by JUDE
I usually redline third right at 90 (my trap speed) while crossing the finish line. I think that once I get the Y pipe, I will need to shift into fourth.
11-20-2003, 06:18 AM
#22
Moderator who thinks he is better than us with his I30
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Originally Posted by SR20DEN
With the 22" slicks and spray I have to shift into 5th. Every other (1/4 mi) scenario has to go into 4th.
I did not think 22" tires and a high trap would cause that. Wow.
11-21-2003, 08:53 AM
#23
Not DAVEB the parts guy
Join Date: Aug 2000
Posts: 8,555
Originally Posted by I30tMikeD
5th I did not think 22" tires and a high trap would cause that. Wow.
I did not think 22" tires and a high trap would cause that. Wow.Dave
11-24-2003, 12:34 PM
#24
Supporting Maxima.org Member
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With the USDM and y-pipe/b-pipe/JWT cone I was running 14.6 and needed to shift into 4th (trapping close to 97mph).
Then I got the MEVI (and also clutch, flywheel and pulley) and was now in the borderline between 3rd and 4th, running 14.4 but found that shifting into 4th was optimal otherwise I'd be bouncing off the rev limiter 60' before the finish line! I guess that means I did have a sizeable midrange loss that the top end didn't totally compensate for (the clutch, pulley and flywheel compensated for the losses)
With the JWT ECU which I am still waiting for, I really hope to stay in 3rd and save some shift time and still traip higher. I think theoretically with the JWT set at 7200RPM, that will take us to 101mph at redline?
Then I got the MEVI (and also clutch, flywheel and pulley) and was now in the borderline between 3rd and 4th, running 14.4 but found that shifting into 4th was optimal otherwise I'd be bouncing off the rev limiter 60' before the finish line! I guess that means I did have a sizeable midrange loss that the top end didn't totally compensate for (the clutch, pulley and flywheel compensated for the losses)
With the JWT ECU which I am still waiting for, I really hope to stay in 3rd and save some shift time and still traip higher. I think theoretically with the JWT set at 7200RPM, that will take us to 101mph at redline?
11-24-2003, 02:07 PM
#25
Moderator who thinks he is better than us with his I30
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Originally Posted by speedemn
With the USDM and y-pipe/b-pipe/JWT cone I was running 14.6 and needed to shift into 4th (trapping close to 97mph).
Then I got the MEVI (and also clutch, flywheel and pulley) and was now in the borderline between 3rd and 4th, running 14.4 but found that shifting into 4th was optimal otherwise I'd be bouncing off the rev limiter 60' before the finish line! I guess that means I did have a sizeable midrange loss that the top end didn't totally compensate for (the clutch, pulley and flywheel compensated for the losses)
With the JWT ECU which I am still waiting for, I really hope to stay in 3rd and save some shift time and still traip higher. I think theoretically with the JWT set at 7200RPM, that will take us to 101mph at redline?
Then I got the MEVI (and also clutch, flywheel and pulley) and was now in the borderline between 3rd and 4th, running 14.4 but found that shifting into 4th was optimal otherwise I'd be bouncing off the rev limiter 60' before the finish line! I guess that means I did have a sizeable midrange loss that the top end didn't totally compensate for (the clutch, pulley and flywheel compensated for the losses)
With the JWT ECU which I am still waiting for, I really hope to stay in 3rd and save some shift time and still traip higher. I think theoretically with the JWT set at 7200RPM, that will take us to 101mph at redline?
03-03-2004, 11:01 AM
#28
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Originally Posted by hlh0501
Where is the option for shifting into 5th? 
I need 7200rpm limit, that extra 500rpm would be nice!!
I need 7200rpm limit, that extra 500rpm would be nice!!
04-07-2004, 07:36 AM
#32
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Originally Posted by SR20DEN
1st About 43mph
2nd ... 60
3rd ... 90
4th ... 120
5th ... 155
6th ... 200-212???
2nd ... 60
3rd ... 90
4th ... 120
5th ... 155
6th ... 200-212???
Have any of you 6-spd guys really close to maxxed out 6th?!
I'm sure the 3.5 even with the weight can pull pretty hard up there!
04-07-2004, 10:55 AM
#33
Not DAVEB the parts guy
Join Date: Aug 2000
Posts: 8,555
Originally Posted by speedemn
Have any of you 6-spd guys really close to maxxed out 6th?! I'm sure the 3.5 even with the weight can pull pretty hard up there!
I'm sure the 3.5 even with the weight can pull pretty hard up there!Dave
04-07-2004, 12:05 PM
#35
As Dave B mentioned, the 6th gear Vmax is theoretical. Most 2k2s are drag limited to 145-150 with little to no bolt ons. However I think one or two guys have hit 157mph in 5th on the dyno.
My previous best is 149mph according to the speedo with the correct diameter tires. I have shifted to 6th at over 140mph before and the car won't accelerate because the gearing is too tall. It would take a substantial power increase to effectively use 6th for top speed.
My previous best is 149mph according to the speedo with the correct diameter tires. I have shifted to 6th at over 140mph before and the car won't accelerate because the gearing is too tall. It would take a substantial power increase to effectively use 6th for top speed.
04-07-2004, 01:21 PM
#36
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My bad Dave... I assumed that the 5th gens could max out 6th gear because the 4th gen can max out 5th gear (I've had it at 5900RPM in 5th and still climbing... I will never do it again unless it is on a dyno). But the 5th gear of the gen 4 is geared quite high... I have never seen a 5th gen in 6th to make that determination nor do I know their gear ratios...
Thanks for clarifying.
Thanks for clarifying.
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