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  1. Streetpwr281

    Better weekend toy/roll racer - 2014 750rwhp Whippled GT500 or 2018 850rwhp Whippled GT350?

    I’m beginning to get serious Mustang withdrawals having sold my modded 2013 GT500 back in March 2019. I daily drove that car despite it having 780rwhp but now I have a company provided daily driver and my Mustang will be exclusively for Car Meets, spirited weekend driving, occasionally roll...
  2. Streetpwr281

    Hard parking w the enemy! ZL1 v GT500

    Cars n Coffee in Tampa last Saturday. Buddy’s 2018 ZL1 only has a cold air kit so he didn’t exactly enjoy our mixing it up on the way down on the interstate.[emoji41]...Great looking Cheby though [emoji3166] Sent from my iPhone using Tapatalk
  3. Streetpwr281

    CNC Ported Heads on high 700rwhp Combo

    I’ve been researching various upgrades for my car including NSR cams, rods/pistons, etc. Came across Fox Lake $1995 special for GT500 heads incl full CNC porting, backcut stock valves, perf Valve Job, Bronze guides, Valve seals, decking, assembled, etc. Upgraded valvesprings or Férrea valves...
  4. Streetpwr281

    Cool Fall/Winter air mod coming...

    Living in FL there is no better mod than when the cool Fall air moves in to feed your 780rwhp 19psi Whippled Shelby GT500. Summer heat always has me completely babying the car from May - Sept. But it’s all worth the wait for the 40 - 60 degree Fall/Winter air from late Oct - early Mar. Has to...
  5. Streetpwr281

    Daily Driving with aftermarket cams / monoblade?

    Curious how many folks are daily driving their GT500 with aftermarket cams and/or monoblade throttle body? If you do are you still happy daily driving the car? PITA? I daily drive my 2013 roughly 8k - 9k per year and am currently at ~ 770rwhp - 780rwhp w/ Gen 3 Whipple 2.9 @ 19psi, 1 7/8"...
  6. Streetpwr281

    2013 GT-500 RED CANDY W/WHIPPLE 2.9 GEN 3 780RWHP

    2013 Shelby GT500 Red Candy with Black Stripes 26,XXX miles (100% Street Driven - Never Raced) Dyno'd @ 726rwhp/696rwtq on Mustang Dyno Est. Equivalent Dynojet HP/TQ = ~ 780rwhp/750rwtq Recaro Seats SVT Performance Package Navigation Shaker 1000 Audio SVT 20TH Anniversary Door Sill Plates...
  7. Streetpwr281

    Mobil 1 ATF in 6spd = Shifts like butter

    That is all...[emoji41] Sent from my iPhone using Tapatalk
  8. Streetpwr281

    Whipple 2.9 Gen 3 Swap

    Finally received the 2.9 Gen 3 I ordered before Christmas and had installed/tuned this past week at Coastal Dyno in Tampa, FL. Combo is as follows: 2013 GT500 w 17k Whipple 2.9 Gen 3 (3.0” UP/10% IW Lower) Stainless Works 1 7/8” LTs Off-Road H-Pipe Factory Cat-Back JLT 155mm CAÍ VMP Twinjet...
  9. Streetpwr281

    NSR Cam Choices - Best Option

    Strongly considering NSR cams when I swap my Gen 2 Whipple 2.9 for the new Gen 3 in Jan. L&M $1599 is the popular choice it seems but I’m seeing other options from Kurgan Racing (on VMP Site) $1400 and MMR has Comp Cam Stage 1 Cams $1199 also for stock springs. Anyone have experience positive...
  10. Streetpwr281

    WHIPPLE 2.9L Crusher Kit for GT-500

    Now On EBay: https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F323081856031 Lightly used/Never Raced 2.9L Gen 2 Whipple Crusher Kit for GT-500. Will support 800rwhp. Upgrading to Gen 3 is only reason for sale. Will be buying new 2.9L Gen 3 kit and only sub out...
  11. Streetpwr281

    @725rwhp what is SW Cat-Back worth over factory?

    I’m currently running SW 1 7/8 LT’s w their 3” H-pipe w factory exhaust afterwards. Has anyone swapped just the cat-back at ~ this power level and what type of rwhp/rwtq was gained? Thanks Sent from my iPhone using Tapatalk
  12. Streetpwr281

    Fuel System Requirements ~ 800rwhp E85

    My current combo is in 740rwhp - 750rwhp range on 93 pump gas. Consist of 2.9 Whipple, 1 7/8 LTs, Hi-Flo H, 155mm JLT, VMP Twinjet 67mm TB, ID1050X injectors, and other supporting mods. Fuel system is a stock 2013 Shelby setup besides the ID1050X injectors. I currently run a 3.0 Upper Pulley...
  13. Streetpwr281

    Jon Bond Synthetic SC Oil

    Anyone use this in your Whipple? I've got a 2.9L Whipple thinking of trying this out. Thoughts/feedback? Sent from my iPhone using Tapatalk
  14. Streetpwr281

    Code P1227 Wastegate Failed Closed (Over Pressure) - What's it mean?

    I've had the dreaded wrench light twice in the past 3 weeks. Power instantly cut and I can only limp the car to safety. Both times after turning car off and back on the light is gone and the car runs fine. Each time I was lower rpms ~ 3000rpm and had just attempted to accelerate moderately to...
  15. Streetpwr281

    13' GT500 Dual 60mm TB

    Takeoff in perfect working condition. $120 shipped Sent from my iPhone using Tapatalk
  16. Streetpwr281

    BMR Springs/Panhard/Billet LCAs - Pics

    Got my car back from Coastal Dyno this week after an extensive round of mods. 2.9 Whipple, SW 1 7/8" LTs, catted H, 67mm VMP TB, 155mm JLT CAI, ID1050x, etc. Car made 700rwhp on his Mustang Dyno which equates to roughly 750rwhp - 760rwhp on a Dynojet on pump 93 octane. Was also 87 degrees...
  17. Streetpwr281

    72mm L&M Dual TB

    SOLD I recently purchased this polished/billet L&M 72mm Dual TB off EBay from an original partner in L&M - HP by Herman (Stoltzenberg). Came off his personal 08' GT-500. Per Herman no issues and he also recently installed new OEM Ford electronics. Makes big power and has solid drivability...
  18. Streetpwr281

    Upper/Lower pulley combo for 2.9 Whipple on 13/14 = Boost?

    Who is running a 2.9 Whipple on their 13/14 and what pulley combo are you using for what boost level? Just installed 2.9 on my 13 w 3.0 Upper / Stock lower only seeing 13psi. Adding a IW 15% lower next looking for 17 - 18psi. Thoughts? Include your mods too. I've got a JLT 155mm CAI, VMP...
  19. Streetpwr281

    13' GT-500 OEM 60mm Dual TB / Air Intake Assembly

    OEM takeoff parts from my 13' GT-500 w 9k on them. Perfect operating condition. Factory 60mm Dual TB - REDUCED $110 shipped Factory Airbox Assembly - SOLD Factory SVTPP Springs - SOLD Located in Tampa, FL area Ryan 813-997-4017 Sent from my iPhone using Tapatalk
  20. Streetpwr281

    Whipple 2.9 Owners - Upper Pulley Size/Boost Level?

    Installing 2.9 Whipple kit on my 13' GT500. Stock lower pulley. LTs/H-Pipe/JLT Super CAI/72mm L&M TB. What upper pulley sizes make approximately what level of boost? What do you run for an upper pulley size and what is your peak boost? Sent from my iPhone using Tapatalk
  21. Streetpwr281

    WTB 3.0 10-Rib Whipple Pulley for 2.9 on 13' GT500

    Anyone have one on hand they can get out Fed Ex today or in Tampa FL area? Need ASAP RYAN 813-997-4017 Sent from my iPhone using Tapatalk
  22. Streetpwr281

    13' SVTPP Wheels - 265 or 275 40 19s Front?

    I'm swapping my rear tires for 305-35-20 Nitto 555Rs. May also be swapping the fronts to have Nitto tires all around looking at the 555 G2's which come in 265-40-19 or 275-40-19. Would the 275 pair better w the 305 35 20 555Rs or stay stock 265? Sent from my iPhone using Tapatalk
  23. Streetpwr281

    High flow catted H vs. Off-road H at ~ 700rwhp - What is O/R worth?

    My 13' GT-500 is going into the shop this week for Whipple 2.9 and supporting mods expecting ~ 700rwhp - 720rwhp on safe pump 93 tune. I bought 1 7/8" SW LT's w high flow catted mid-pipe choosing the catted version because it's a daily driver and I didn't want to deal with lots of unburnt fuel...
  24. Streetpwr281

    When are upgraded Oil pump and timing gears highly recommended?

    I'm having a 2.9 Whipple installed on my pump gas daily driver 13' GT500 in a couple of weeks. Also planning ID1050 injectors, JLT CAI, 72mm L&M Dual TB, 170 thermostat, Stainless Works 1 7/8" LTs/H, and custom Dyno tune. Goal is a safe 725rwhp+ on mild boost ~ 18psi max. Question: When are...
  25. Streetpwr281

    13' w 2.9 Whipple - Best throttle body?

    I've got the 2.9 Whipple along w a FRPP 65mm Dual CJTB on the way. Will have LT's, H-Pipe, ID1000's, JLT CAI, NGK Plugs, Custom Tune, etc. Driveability is important as I'm daily driving my GT500 but per usual want to maximize power output as well. Anyone try the L&M Dual 72mm unit on a...

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