What RPM 4 best launch - Newbies Forum

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What RPM 4 best launch
Friday, March 24, 2006 6:11 AM
I'm going to the strip tomorrow and wanted to know the best RPM to launch at. I have a DEAD STOCK 02 Sunfire 2200 5sp. I mean STOCK, guys. Right down to the all season tires, stock shifter, paper OEM air filter, and muffler. STOCK!

I've tried on some fresh laid tarmac and I'm giving a guess at about 2500 rpm while dumping the clutch and then flooring it. I get a little bark. Should I be looking for a little more spin so I'm not bogging the engine out.

Any suggestions. This will be my first time slip.





Re: What RPM 4 best launch
Friday, March 24, 2006 6:19 AM
With the 2200 I'd reccomend only a 2k launch.



Re: What RPM 4 best launch
Friday, March 24, 2006 6:38 AM
Why's that?





Re: What RPM 4 best launch
Friday, March 24, 2006 9:45 AM
because its slow




Re: What RPM 4 best launch
Friday, March 24, 2006 9:45 AM
RandomGuy 171 wrote:With the 2200 I'd reccomend only a 2k launch.


I believe it has less to do with your motor and more to do with your drivetrain (especially axles). Revving too high and drop the clutch, that could be too much sudden power hitting the axles, this is how people break axles. Of course, this is worse case scenario. More than likely now, if you rev too high, you'll probably just spin too much off the line.



www.kronosperformance.com / 732-742-8837

Re: What RPM 4 best launch
Friday, March 24, 2006 9:56 AM
NJHK (King Of Newbies) wrote:Revving too high and drop the clutch, that could be too much sudden power hitting the axles, this is how people break axles.


Power? What is the 2200 'power' you speak of?



Re: What RPM 4 best launch
Friday, March 24, 2006 4:30 PM
haha man.. poor 2200.

Let the guy run what he wants, it's all for fun anyways.



Re: What RPM 4 best launch
Sunday, March 26, 2006 3:36 AM
haha. lol. Funny.

One day know one will be laughing.

I just wanted a time for baseline, so I can compare later when I mod.

PS - We're suppose to be Jbody brothers here. Less flaming, more info.

PPS - I ran a 11.057 in an 1/8. Dead stock, no mods at all.




Re: What RPM 4 best launch
Sunday, March 26, 2006 3:39 AM
My reaction was .985. But, first time down any track ever!
If I can practice, and get consistant .500 reactions, I should run 10.6. There were 5.0s and Civics running mid and low 10s with a .260 react.




Re: What RPM 4 best launch
Sunday, March 26, 2006 10:28 AM
Earl Rourk wrote:haha. lol. Funny.

One day know one will be laughing.

I just wanted a time for baseline, so I can compare later when I mod.

PS - We're suppose to be Jbody brothers here. Less flaming, more info.

PPS - I ran a 11.057 in an 1/8. Dead stock, no mods at all.


2.4 and ecos are brothers the 2200 is the little sister....whith a limp.

BTW about the launch. its preety much self explanitory. launch at the higesht rpm you can with out spinging to much. also besides evreything bad about it, the ohv is a torque box. those little things are little neck snappers.


"boobs now with Riboflabin"
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Re: What RPM 4 best launch
Sunday, March 26, 2006 6:56 PM
I could swap you my worn out clutch. You wouldn't have to worry about bogging or tire spinning, problem solved.



Re: What RPM 4 best launch
Monday, March 27, 2006 3:43 PM
We're all about support at the JBO, but I think we've all come to accept that the 2200 is a weak link



Re: What RPM 4 best launch
Monday, March 27, 2006 7:00 PM
You could try lowering the pressure in the front tires a bit. Reaction times shouldn't affect your e/t, just who gets to the end first. From what I understand it's mostly the first 60 feet that determine your final time.


-------------
Stick shifts and Safety Belts
Buckets seats have all got to go
When I'm driving in my car
It makes my baby seem so far
Re: What RPM 4 best launch
Tuesday, March 28, 2006 5:18 AM
^^ I've heard that, too. Oh well, stuck with 11.057 for now. I just ordered a muffler, CAI, and 4-1 Header, so maybe that will help. Tires, wheels, and a short throw shifter next.




Re: What RPM 4 best launch
Tuesday, March 28, 2006 7:18 AM
Earl Rourk wrote:haha. lol. Funny.

One day know one will be laughing.

I just wanted a time for baseline, so I can compare later when I mod.

PS - We're suppose to be Jbody brothers here. Less flaming, more info.

PPS - I ran a 11.057 in an 1/8. Dead stock, no mods at all.


10.8 here with a .019 RT.


Brad wrote:We're all about support at the JBO, but I think we've all come to accept that the 2200 is a weak link



Absolutely NOT! (Im in denial)


____________________________________________________________________
Madjack wrote:Like I said before, building an engine like ours (2.2 or 2200) is a painstaking chore , since there is so few custom made parts. It's frustrating to me too, but that's what I like about doing this engine, it's the challenge.



Re: What RPM 4 best launch
Tuesday, March 28, 2006 12:21 PM
R/T dont mean jack when racing. but if you are doing a bracket race, then the quicker R/T you have, the better



Im a Xbox 360 fanboy...and damn proud of it!!
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