will 3.90's benefit me over 4.56's and some new times no 10's but close
11-23-2002, 10:58 PM
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will 3.90's benefit me over 4.56's and some new times no 10's but close Well I was finally able to try some N20 at the track.
I had a good run going at the end but ended up going into 3rd instead of 5th <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> and coasted through at a 11.091 and bent a push rod but altleast it didnt blow. Would 3.90's benefit my 1/4 mile time and MPH with N20 + im well into fifth on each pass? Here were a few runs
1.580 60' , 7.120 1/8 , 99.48 MPH , 11.000@125.17
Jetted up a little
1.592 60' , 7.147 1/8, 95.37 MPH , 11.115 @ 124.94 hit N20 in 2nd
1.695 60' , 7.239 1/8 , 99.77 MPH , 11.111@126.60
1.795 60' , 7.240 1/8 , 99.89 MPH , 11.011@127.23
1.543 60' , 7.010 1/8 , 99.97 MPH , 11.091@122.13 came out at 6200 on this one <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
went into 3rd instead of fifth <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> I believe this would have been in the 10'8s in the mid 127's but thats the way it goes.
<small>[ November 23, 2002, 11:02 PM: Message edited by: Street Racer ]</small>
I had a good run going at the end but ended up going into 3rd instead of 5th <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> and coasted through at a 11.091 and bent a push rod but altleast it didnt blow. Would 3.90's benefit my 1/4 mile time and MPH with N20 + im well into fifth on each pass? Here were a few runs
1.580 60' , 7.120 1/8 , 99.48 MPH , 11.000@125.17
Jetted up a little
1.592 60' , 7.147 1/8, 95.37 MPH , 11.115 @ 124.94 hit N20 in 2nd
1.695 60' , 7.239 1/8 , 99.77 MPH , 11.111@126.60
1.795 60' , 7.240 1/8 , 99.89 MPH , 11.011@127.23
1.543 60' , 7.010 1/8 , 99.97 MPH , 11.091@122.13 came out at 6200 on this one <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
went into 3rd instead of fifth <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> I believe this would have been in the 10'8s in the mid 127's but thats the way it goes.
<small>[ November 23, 2002, 11:02 PM: Message edited by: Street Racer ]</small>
11-24-2002, 07:35 AM
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Re: will 3.90's benefit me over 4.56's and some new times no 10's but close </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by 2000SILVERTA:
<strong>Do you have 4.56's now? What are your rpm's in 5th when you cross the traps?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">yes it has 4.56's at the moment as far as RPM's im going through at about 6300 im in fifth for about 60ft before the traps. My rev limiter is set at 6600 with the HPP3.
<strong>Do you have 4.56's now? What are your rpm's in 5th when you cross the traps?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">yes it has 4.56's at the moment as far as RPM's im going through at about 6300 im in fifth for about 60ft before the traps. My rev limiter is set at 6600 with the HPP3.
11-24-2002, 03:05 PM
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Re: will 3.90's benefit me over 4.56's and some new times no 10's but close Crossing the traps in 5th gear?
I prefer a setup that crosses the traps near the
top of 4th gear.
Overdrive tranny gears are not too common for drag
applications.
Don't forget to budget some rpm for future car
development, or prepare to run higher rpm, or run
a taller tire.
Jay Johnson
I prefer a setup that crosses the traps near the
top of 4th gear.
Overdrive tranny gears are not too common for drag
applications.
Don't forget to budget some rpm for future car
development, or prepare to run higher rpm, or run
a taller tire.
Jay Johnson
11-25-2002, 06:59 AM
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Re: will 3.90's benefit me over 4.56's and some new times no 10's but close </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Jay Johnson:
<strong>Crossing the traps in 5th gear?
I prefer a setup that crosses the traps near the
top of 4th gear.
Overdrive tranny gears are not too common for drag
applications.
Don't forget to budget some rpm for future car
development, or prepare to run higher rpm, or run
a taller tire.
Jay Johnson</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I really didnt intend to run spray when I got the 4.56's but those things happen I am thinking of 4.10's with the spray and a little tunning or atleast getting the rev limiter bumped up to 7k. I am running 27" Hoosiers. But I think if I had 28's and a 7k limiter the 4.56's maybe ok ....
<strong>Crossing the traps in 5th gear?
I prefer a setup that crosses the traps near the
top of 4th gear.
Overdrive tranny gears are not too common for drag
applications.
Don't forget to budget some rpm for future car
development, or prepare to run higher rpm, or run
a taller tire.
Jay Johnson</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I really didnt intend to run spray when I got the 4.56's but those things happen I am thinking of 4.10's with the spray and a little tunning or atleast getting the rev limiter bumped up to 7k. I am running 27" Hoosiers. But I think if I had 28's and a 7k limiter the 4.56's maybe ok ....
