#1 permalink
Z06 Pilot
Join Date: Jan 2001
Location: Tampa Bay
Posts: 604
Time to build the bottom end!!!!!!!!!!!!!
Went to the dyno today to tune the car.:eek:
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408 8.5:1 CR * STS TT * 273 gears
It is what it is
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#2 permalink
Z06 Master
Join Date: May 2001
Location: Everett, WA.
Posts: 3,717
I agree 100%. :eek: :eek: :eek:
Nice numbers.
Pat
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02 EB/Mod Red, LPE C5R 427 Twin Turbo, Kirban/Delrin, Brembo, HRE, 680 rwhp, 732 rwtq without variable boost.
#3 permalink
Moderator
Join Date: Feb 2003
Location: Central Georgia
Posts: 17,165
Tom, at what rwhp do most tuner/builders suggest you shore-up the bottom end?
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#4 permalink
Z06 Master
Join Date: Mar 2003
Location: Houston
Posts: 7,551
Wow:eek: Very impressive numbers.
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MTI 383 Stroker Motor. 475 rwhp 450 rwtq. Sold to Kens06.
2006 Toyota Tacoma NCM # 23186
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#5 permalink
Z06 Authority
Join Date: Jul 2002
Location: Houston
Posts: 1,236
Its kind of a shot in the dark to guess how long it will last those #s :( Good luck with the build-up though.
What was the smoothing factor on that graph?
#6 permalink
Z06 Pilot
Join Date: Jan 2001
Location: Tampa Bay
Posts: 604
Quote:
Originally posted by alexWS6 Its kind of a shot in the dark to guess how long it will last those #s :( Good luck with the build-up though.
That was the first run before LS1 edit.
This is only 8lbs of boost.
#7 permalink
Z06 Pilot
Join Date: Jan 2001
Location: Tampa Bay
Posts: 604
Quote:
Originally posted by jub jub Tom, at what rwhp do most tuner/builders suggest you shore-up the bottom end?
I would say no more than 550 flywheel with stock components I'm over 650 fwhp.
#8 permalink
Z06 Authority
Join Date: Jul 2002
Location: Houston
Posts: 1,236
Quote:
Originally posted by FRC Tom That was the first run before LS1 edit.
ok?
#9 permalink
Z06 Master
Join Date: Dec 2002
Location: Fort Lauderdale
Posts: 17,767
Big time numbers
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#10 permalink
Z06 Master
Join Date: Sep 2002
Location: Malibu Calif.
Posts: 3,168
FRC what compression ratio are you running to feel safe with 8 lbs of boost?
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01 QS/Blk, A&A LS2 402 stroker w/ Vortech T-trim 749rwhp 722rwtq, RPM Tranny.
#11 permalink
Z06 Authority
Join Date: Oct 2002
Location: Houston, TX
Posts: 1,948
Look at you.....you go boy! Nice Dyno!
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475 RWHP, 426 TRQ. / Magnuson
570 RWHP, 589 TRQ. / N2O
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#12 permalink
Z06 Pilot
Join Date: Jan 2001
Location: Tampa Bay
Posts: 604
Quote:
Originally posted by Zrod FRC what compression ratio are you running to feel safe with 8 lbs of boost?
Still stock 10.5:1.
The LS1 at 10:1 handles 10lbs so I feel safe for now. I will be bringing the CR down to 8.5:1 when I do the bottom end and pistons, also doubling my boost.
#13 permalink
Super Moderator
Join Date: Jan 2001
Location: St. Louis, MO
Posts: 5,067
Great #'s Tom but your playing with FIRE Bro.
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'65 Blue/Blue ZZ4-Dual Quads, TKO 5sp, PS, PB A/C, Tilt, Sidepipes, Torque Thrust II (17*7)
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#14 permalink
Z06 Pilot
Join Date: Jan 2001
Location: Tampa Bay
Posts: 604
Quote:
Originally posted by Black_Magic Great #'s Tom but your playing with FIRE Bro.
I know George. I'm going to be careful.
This was full WOT in 4th on the dyno hitting 8 lbs.
I can rarely get it up to 5 lbs in 3rd on the street before I have to shut down.
That's the great thing about these centrifugal chargers, you have to nail it all the way to the floor before it boost.
On the dyno it went from 60 mph to 136 mph in just over 6 seconds.
#15 permalink
Z06 Member
Join Date: Aug 2003
Location: Lakin, KS 67860
Posts: 76
What kind of cost is involved in going to forged internals? I know the LS1 is an expensive motor to build but I've never seen any dollar figures.
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