How to run 1/4 mile, First time

Z eliminator · 04-05-2014, 08:08 PM

Did you pull the brake fuse?
i got the 60 fts down to 1.800
do not have the slip but my best run was a 12.32 or 12.34.
It will go quicker if you drop the air pressure in the back tire, try 26 to 28 psig.
Add some air to the front tires.
Best launch is at 1800 rpm.
If you have stillen G3 intake. remove the rad cover plate between the top of the front bumper and the rad , under the hood. More air for the filters
Best oil temp to race at is 85 to 90 C.

Z

Z&I · 04-05-2014, 09:00 PM

Quote:

Originally Posted by Z eliminator

Did you pull the brake fuse?
i got the 60 fts down to 1.800
do not have the slip but my best run was a 12.32 or 12.34.
It will go quicker if you drop the air pressure in the back tire, try 26 to 28 psig.
Add some air to the front tires.
Best launch is at 1800 rpm.
If you have stillen G3 intake. remove the rad cover plate between the top of the front bumper and the rad , under the hood. More air for the filters
Best oil temp to race at is 85 to 90 C.

Z

Hey Steve - Great to hear from you !!!

Sent you a couple of PM's regarding your build with the GTM long block...
Is that still on the table ???

Haven't gotten mine back from it's 'Winter' upgrade ... still a few more little glitches to iron out...and the Line Lock is the last install...

Worked up a way of switching off the Brake Fuse via switched relays and at the same time enabling the Line Lock for the track.

Checked to see if there were any other options on the 19" tires available for the 19" sport wheels ... no go on that so far.

Been in the shop longer than expected ...
But did get the Dyno done - 483 rwhp and a really nice and flat 378 tqe curve ... The car should handle the upped power demands nicely.

Along with those tips you gave me I should be in the mid 11's this season...(always the optimist)
Many thanks for that ...

Hope all is well and you are attacking the track !

Bob

Z&I · 04-05-2014, 10:06 PM

Quote:

Originally Posted by xxAGAVExx

I'm no suspension guru, I'm learning everything as I go on this car (my first sports car). Anyways I have a lot of plans for this car and I'm just going about it little by little, getting all the basics locked down before I go FI. Right now I've just got swifts and some spl rear camber arms. I want to replace all the mushy stock bushings so I'm going to get some spl traction arms and their rear bushing set. I've got some whiteline diff bushings and I'll get them installed as soon as I get my quaife diff. This is everything I think you would need on the rear, the only other upgrade would be to get coilovers. U want to zero out your toe, and keep it that way. When your car squats down during launch, your toe comes in and you loose some traction causing wheel hop. All the suspension upgrades I mentioned help minimize this. Now u know as much as I do

Sent from my iPhone using Tapatalk

Great Info ...
Already have the rear Camber Arms and camber set to '0'
Will double check the toe ...
I also have the Quaife LSD ... replaced the Nissan LSD with it.
The Quaife is a little different than the OEM which I think is a hydraulic LSD .. ? forgot aaarrrggghhh...
The Quaife bites more and with the added HP and seems to want to break loose a little bit quicker but really digs in ... not a big problem tho'.
Will fwd your info to the shop, especially the bushings ... have talked it over with them regarding the coilovers previously.
Bad roads here in NJ...

steveg78 · 04-10-2014, 08:40 PM

Quote:

Originally Posted by happydog

i.e. don't go in an angle like this?

Hahaha damn this race had disaster written all over it. The guy in the Dart couldn't back up and the GTR driver... Ouch!

Maddog · 04-13-2014, 04:43 AM

Took my 370 a/t on the strip for the first time yesterday

Stock apart from cat back and k&n's and I lowered the tyre pressures to 28psi (RE050's)

Tried a hard launch in manual with t/c off and it span up hard in 1st and 2nd and headed for the wall , came off it and drove down to a 15.1

Second try , in auto with t/c off span hard again 1st and 2nd and ran a 14.0@105 (2.5s 60')

Third try , in auto with t/c on and cutting in 1st , 2nd and 3rd , ran another 14 at 95 again 2.5 60 foot.

Fourth try , a good dry hop to clear the tyres , traction off but trying to launch just as the trans gives drive again 2.5 60 foot and 14.0 @ 105

Gave up

Track was very slick , first RWYB of the year really and the temperature only hit about 50 degrees , just too cold I think

Another try later in the year I think

H2O_Doc · 04-13-2014, 08:49 AM

Ouch! Please put a Honda badge on that thing until you get mid 13s.

Masterbeatty · 04-13-2014, 08:14 PM

Quote:

Originally Posted by H2O_Doc

Ouch! Please put a Honda badge on that thing until you get mid 13s.

Damn!

I got smoked my first time out by a rhd integra because of a crappy launch and tire spin. I also learned that night after I got a rock through my window from a wrx passing me that this platform is for racing with turns not straight lines.

Maddog · 04-14-2014, 03:21 PM

Lol , just been looking at the 1/4 mile table and apart from the aborted run my terminals were all 105mph , which bodes pretty well once the weather warms up .

Z&I · 04-14-2014, 09:29 PM

Quote:

Originally Posted by Masterbeatty

Damn!

I got smoked my first time out by a rhd integra because of a crappy launch and tire spin. I also learned that night after I got a rock through my window from a wrx passing me that this platform is for racing with turns not straight lines.

The 'Z' Can do straight lines ... Just need to get serious and bone up on info (a lot of experience here on this site) ... Spend some bucks to up the performance potential ... and then put it all in to practice ... does take effort and time...

What are your goals ?

Z&I · 04-14-2014, 09:40 PM

Quote:

Originally Posted by Maddog

Took my 370 a/t on the strip for the first time yesterday

Stock apart from cat back and k&n's and I lowered the tyre pressures to 28psi (RE050's)

Tried a hard launch in manual with t/c off and it span up hard in 1st and 2nd and headed for the wall , came off it and drove down to a 15.1

Second try , in auto with t/c off span hard again 1st and 2nd and ran a 14.0@105 (2.5s 60')

Third try , in auto with t/c on and cutting in 1st , 2nd and 3rd , ran another 14 at 95 again 2.5 60 foot.

Fourth try , a good dry hop to clear the tyres , traction off but trying to launch just as the trans gives drive again 2.5 60 foot and 14.0 @ 105

Gave up

Track was very slick , first RWYB of the year really and the temperature only hit about 50 degrees , just too cold I think

Another try later in the year I think

By All Means ... Get back out there and apply what you've learned.
105mph - your car runs like it should and it wants to go fast ... Congrats !
Quick 1/4 miles aren't as easy as you'd think :-) but it is both challenging, rewarding, and definitley a learning experience ....

Masterbeatty · 04-15-2014, 10:12 AM

Quote:

Originally Posted by Z&I

The 'Z' Can do straight lines ... Just need to get serious and bone up on info (a lot of experience here on this site) ... Spend some bucks to up the performance potential ... and then put it all in to practice ... does take effort and time...

What are your goals ?

I am building the car more towards autox and road course driving now. Plus now since I live in ct now the nearest drag strip is 3 hrs away either direction before when i lived in San deigo I lived across the street from one 1/8 mile strip, so that is another reason why too. There are two road courses within an hour of me now, lime rock and Thompson. My best 1/8 mile was 9.309 @ 80.21mph, 2.359 60 ft, 1.04 rt. that was 1 sec faster than my bolt on 2.5 Altima coupe CVT. Now that I have a real LSD it would lock up better but I would need a better tires.

shfeddy · 04-16-2014, 08:58 AM

Before I put 305's and my SC kit on, here's what I did.
At my drag strip i can not go around the wet box, so I did a quick burnout to get the water off my tires. I'd then creep forward to the prestage area, then when set, I'd hold down the brake and rev to around 1.5 to 1.7k RPM. I found that any more and I'd spin off the line. But now that I have all these mods added, it will be a whole new ball game this racing season.

FPenvy · 04-16-2014, 09:04 AM

here's one of my first nights on a 1/4 mile track with my Z.

this run i only had my exhaust on so far at this point.

think this was like a 13.2 idk i did like 5 or 6 runs this night. only one filmed.

aslo the loud click you hear on the 3rd yellow is my gas pedal lol

Maddog · 04-17-2014, 03:37 AM

Interesting to see your sister in shorts or perhaps a skirt , its pretty strict here for RWYB's my local track insist on covered legs and arms and you must wear a helmet , they even scrutineer the vehicles before they go on track.

My 1/8th was 9.32@80.65 mph also , best 60ft was 2.44 but most were 2.5

Opening myself to ridicule here but here are my vids taken from my Blackvue, you can see I varied my technique each run but nothing made much difference
https://www.youtube.com/watch?v=T2jk5RJC3rw

In my defence I spent 15 years drag racing and building bikes , running cars down the strip is not my forte I'm more used to slicks and wheelie bars and 1.2 60ft s

FPenvy · 04-17-2014, 07:37 AM

Quote:

Originally Posted by Maddog

Interesting to see your sister in shorts or perhaps a skirt , its pretty strict here for RWYB's my local track insist on covered legs and arms and you must wear a helmet , they even scrutineer the vehicles before they go on track.

My 1/8th was 9.32@80.65 mph also , best 60ft was 2.44 but most were 2.5

Opening myself to ridicule here but here are my vids taken from my Blackvue, you can see I varied my technique each run but nothing made much difference
https://www.youtube.com/watch?v=T2jk5RJC3rw

In my defence I spent 15 years drag racing and building bikes , running cars down the strip is not my forte I'm more used to slicks and wheelie bars and 1.2 60ft s

that track is relaxed compared to most. their rule on helmets is anythings below 12.999 i think. most places it's 13.999 or faster is required to have a helmet. that track is in ohio i know that might not mean anything since i see you're in the UK lol oddly around my area i never broke into the 12's. i got my 12.899 down at capitol raceway in maryland. that track seems less prepped and maintained then the others up here but dont care lol ran my best there and the oddly when re-watching old top gear UK episodes they raced there on a US special.

04-05-2014, 08:08 PM	#61 (permalink)
Z eliminator A True Z Fanatic Join Date: Jul 2009 Location: Ontario Canada Posts: 1,659 Drives: 370 Z 7AT Sports Rep Power: 18	Did you pull the brake fuse? i got the 60 fts down to 1.800 do not have the slip but my best run was a 12.32 or 12.34. It will go quicker if you drop the air pressure in the back tire, try 26 to 28 psig. Add some air to the front tires. Best launch is at 1800 rpm. If you have stillen G3 intake. remove the rad cover plate between the top of the front bumper and the rad , under the hood. More air for the filters Best oil temp to race at is 85 to 90 C. Z __________________ 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.

04-13-2014, 08:49 AM	#66 (permalink)
H2O_Doc A True Z Fanatic Join Date: Apr 2013 Location: Northern VA Posts: 1,083 Drives: '14 370Z, '12 4Runr Rep Power: 14	How to run 1/4 mile, First time Ouch! Please put a Honda badge on that thing until you get mid 13s. FPenvy and Supmar85 like this.

04-16-2014, 08:58 AM	#72 (permalink)
shfeddy Base Member Join Date: Jul 2012 Location: Okinawa, Japan Posts: 63 Drives: 09 Nissan 370z Rep Power: 12	Before I put 305's and my SC kit on, here's what I did. At my drag strip i can not go around the wet box, so I did a quick burnout to get the water off my tires. I'd then creep forward to the prestage area, then when set, I'd hold down the brake and rev to around 1.5 to 1.7k RPM. I found that any more and I'd spin off the line. But now that I have all these mods added, it will be a whole new ball game this racing season. __________________ ^Stillen SC kit^ 345 WHP Stillen 19 Row Oil Cooler TSW Nurburgring * Nitto555 305x30x18* 255x45x18

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04-13-2014, 04:43 AM	#65 (permalink)
Maddog Base Member Join Date: Dec 2013 Location: Uk Posts: 94 Drives: 2012 370z GT a/t Rep Power: 11	Took my 370 a/t on the strip for the first time yesterday Stock apart from cat back and k&n's and I lowered the tyre pressures to 28psi (RE050's) Tried a hard launch in manual with t/c off and it span up hard in 1st and 2nd and headed for the wall , came off it and drove down to a 15.1 Second try , in auto with t/c off span hard again 1st and 2nd and ran a 14.0@105 (2.5s 60') Third try , in auto with t/c on and cutting in 1st , 2nd and 3rd , ran another 14 at 95 again 2.5 60 foot. Fourth try , a good dry hop to clear the tyres , traction off but trying to launch just as the trans gives drive again 2.5 60 foot and 14.0 @ 105 Gave up Track was very slick , first RWYB of the year really and the temperature only hit about 50 degrees , just too cold I think Another try later in the year I think

04-14-2014, 03:21 PM	#68 (permalink)
Maddog Base Member Join Date: Dec 2013 Location: Uk Posts: 94 Drives: 2012 370z GT a/t Rep Power: 11	Lol , just been looking at the 1/4 mile table and apart from the aborted run my terminals were all 105mph , which bodes pretty well once the weather warms up .

04-17-2014, 03:37 AM	#74 (permalink)
Maddog Base Member Join Date: Dec 2013 Location: Uk Posts: 94 Drives: 2012 370z GT a/t Rep Power: 11	Interesting to see your sister in shorts or perhaps a skirt , its pretty strict here for RWYB's my local track insist on covered legs and arms and you must wear a helmet , they even scrutineer the vehicles before they go on track. My 1/8th was 9.32@80.65 mph also , best 60ft was 2.44 but most were 2.5 Opening myself to ridicule here but here are my vids taken from my Blackvue, you can see I varied my technique each run but nothing made much difference https://www.youtube.com/watch?v=T2jk5RJC3rw In my defence I spent 15 years drag racing and building bikes , running cars down the strip is not my forte I'm more used to slicks and wheelie bars and 1.2 60ft s