04-22-2012 | #31 |
Join Date: Feb 2010
Location: Ochlocknee, GA
Posts: 435
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Re: dyno numbers / upgrades done
1990 white/black with 116xxx miles
368 with stage one cams by SGC 444.9 rwhp and 418.7 rwtq SGC 368 package 550 hp. transmission 4l80E with 2.75 1st 1.57 2nd 1.1 3rd .75 4th rear end gears 3.73 best run this year 2012 11.69 @120.56 with drag radials on street tires 11.88 @ 117.67 can be veiwed at SGC gathering this Nov. 2012. John Becker one of a few auto (4l80E) eq. ZR-1's member # 0115 |
04-22-2012 | #32 |
Join Date: Feb 2010
Location: Pendleton, IN
Posts: 3,904
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Re: dyno numbers / upgrades done
Before it's latest rehab with Pete...63 mm TB, ported heads and upper end. New re-grind cams.
BEFORE 410 rwhp 359 trq AFTER???? Now has Pete's cams and pulls 500+++hp or so at the crank. Pete did a good job. Need to get a new dyno check.
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1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project Last edited by Blue Flame Restorations; 04-03-2013 at 05:04 PM. |
04-23-2012 | #33 |
Join Date: Feb 2008
Location: Vancouver, BC
Posts: 252
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Re: dyno numbers / upgrades done
392 RWHP
375 TQ Top end Port (Gaffigan Plenum+IH, Haibeck TB), Flowmaster Exhaust, Custom Tune, 4.10's 354 RWHP before top end Port
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[SIGPIC][/SIGPIC] __________________ 1990 Corvette ZR-1 #2824 4.10's, Custom PROM, Flowmaster, Top End Port NCRS BC Chapter |
04-23-2012 | #34 |
Join Date: Jun 2009
Location: I live at Devens, one run at a time
Posts: 455
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Re: dyno numbers / upgrades done
Clearly I need to port the top of the 91. At 77k or so:
335rwhp, will edit when I fish up the torque. Watson headers, open lid with K&N, mish-mosh exhaust with a small "H", some randomly sourced cats (as opposed to Random) and a Borla last stage. DRM chip was worth about 10 of those rwhps. Looking forward to ditching the secondaries and getting a catch can on the darn PCV stuff. And an aluminum flywheel, underdrives etc etc etc. Cheers, - Jeff
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[I]91 ZR-1 #1840, autocrossing in SCCA BSP. FIC S/S's DRM chip/Watson/Borla/lid/LW batt&headlights, springs, shocks, pads & lines, quick rack & Turn One, camber brace, 32/22mm sways, A/C halfway deleted 17x11 & 12 CCW's, 315 & 335 Hoosier A6s [/I] |
04-23-2012 | #35 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: dyno numbers / upgrades done
1992
Ported to 35mm IH/Plenum Port Matched heads Watson Headers Borla 2 3/4 with no resonator... X-Pipe DRM basic Chip Fidanza Flywheel 63mm TB 391 RWHP with 13.7:1 fuel ratio.....needs a tune Best Run on Street Tires 12.42 @ 117.5
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
04-24-2012 | #36 | |
Join Date: Jul 2005
Location: Cresson, TX
Posts: 970
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Re: dyno numbers / upgrades done
Quote:
Yes, rear mounted turbo's. I don't feel the lag; she comes on strong around 3k rpm. The Jeal Headers are ceramic coated but not the pipes to the turbo's. Many think that heat energy is the key however it's more the kinetic energy that spins these rear turbo's. I may get some benefit by rapping the pipes but... 4-5#'s of boost for the stock LT5, 6-8 is for the LT1/4. With the 9:1 and the Head Studs we thought that 15 PSI was a good number. BTW, the stock valve springs are only good to 15 PSI. I plan to push up the boost once I upgrade the ECM. So yes, it's a stock ECM with a tune I bought from Mark Haibeck (from the single turbo car) and then had modified when I sent the car to Corey. I'm in the middle of the ECM upgrade so hopefully I'll have a 15 PSI car by the Vegas Gathering. I'll also need to upgrade the turbo exhaust housings to get to the 15 PSI mark...
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Ron Hanselman Founding Member #80 CM Lifetime Member #1093 1991 #383 Twin Turbo 1993 #099 Ruby, Jeal 368 w/Snake Skinner body 1961 White with Red Int |
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03-30-2013 | #37 |
Join Date: Apr 2012
Location: TEXAS
Posts: 171
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Re: dyno numbers / upgrades done
Final numbers are in....
Car started off as a Callaway Supernatural 475 (optimistic). From the previous owner and Callaway the follow items have been done. Ported upper, IH and heads. Porting is not aggressive, approx 35.5mm. 63mm TB, ported throttle body horn, modified air lid. Callaway 3" exhaust with no center resonator and a funky "semi" X pipe. Mufflers are center exhaust glass packs used on the Speedster Twin Turbo cars. Stock headercat. 3.92 gears. Cams are re-timed to Callaway specification. Single mass fly wheel Lighter pistons 362rwhp on Callaway tune 377rwhp on Henderson tune, hot motor SW headers, thermal coated and high flow random tech cats added... 403rwhp, Henderson tune, hot motor. 27.5 degrees of timing. 375rwtq I think it would interesting to see what number it will lay down with a cold intake/ motor. +26rwhp net with new headers and cats. +41rwhp over my original starting point. No t the most powerful car out there but when I start to think how old this car is and the power it makes for that era. It's pretty impressive. Adding the SW headers was the perfect addition. The car has a high pitch exotic sound. My Car seems angry now for some reason.
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1966 Mustang GT tribute 1988 Callaway Twin Turbo Aerobody (FOR SALE pm me for more info) 1991 Callaway CR1 SuperNatural 475 Aerobody 1992 Callaway SuperNatural 435 Aerobody (sold) For Sale: |
03-30-2013 | #38 | |
Join Date: Jul 2005
Location: Cresson, TX
Posts: 970
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Re: dyno numbers / upgrades done
Quote:
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Ron Hanselman Founding Member #80 CM Lifetime Member #1093 1991 #383 Twin Turbo 1993 #099 Ruby, Jeal 368 w/Snake Skinner body 1961 White with Red Int |
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03-30-2013 | #39 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,698
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Re: dyno numbers / upgrades done
435rwhp@6750/387rwtq@5300
Ported top end. DIY. Watson headers 1 7/8" primaries SW XPipe 3" exhaust w DynoMax UltraFlow+Z06 NPP Pete's re-grind on intake side. Exhaust coming? GVD Ported Heads My own custom tune. Continuing to evolve Z06 front calipers Z06 wheels DRM coilovers w Bilsteins Marracca valving Poly front end Hurst short throw 3.73 rear
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
04-01-2013 | #40 | |
Join Date: Sep 2012
Location: Rockwall, Tx
Posts: 1,510
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Re: dyno numbers / upgrades done
Quote:
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_________________ 1994 AB/Grey #141 430 RWHP/392 RWTQ FBI Lyposuction / Secondaries relieved of duty / SW Long Tube Headers / Corsa Exhaust / FIC SS Injectors / MSD Coils / Lightweight Pulleys / Corey tuned B & M Shifter / Aluminum Flywheel / Samco Hoses / Shelby Series One's / C4 No Flex Frame Stiffener BBC - Bling By Carter: Custom ZR-1 Center Caps / Custom Plenum Plate / Air Box Knobs / TB Cover / Oil Filter Cover |
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