05-01-2008, 09:37 PM
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#2 |
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Three-hundredths of a second away from it!!!!
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Good for low end torque. But then you can get some 4.30s to fix that. Not reall torque numbers on a dyno, but you'll get the feel.
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2002 Mustang GT-K&N FIPK, Accufab Plenum/ 75mm T-body, Diablosport Predator, 4.10s, Pro 5.0 shifter, Bassani O/r x-pipe, Magnaflow Magnapacks, Steeda pulleys, Mickey Thompson ET streets, Moser axles, Eibach Sportlines, Hotchkis U/Lca's, 180* t-stat_ best e.t 13.02@103!!!! 
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05-01-2008, 10:15 PM
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#3 | |
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re re
 
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Depends on what you are looking to do???
Back pressure in the pooper = bad 
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Built 00 Windsor engine, .20 over, 11.6:1cr, fully ported heads, Hardballer intake w/cooling mod, Scat rods, Probe pistons, Cobra crank, tri-metal Clevite race bearings, VT Stage 2 N/A cams, adjustable cam gears, Canton windage tray, MMR oil pump, Cobra pick up, 75MM Accufab t-body, Dragon plenum, JLT CAI, 24# injectors, Bassani mid lengths, mufflers & O/R X,255lph fuel pump, BBK FPR, Fidanza aluminum flywheel, AJE K-member, ARP hardware everywhere, X-Cal SCT custom tuned, 3.73's, Pro 5.0, polygraphite motor mounts. |
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05-01-2008, 10:36 PM
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re re
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gob'ment cheese ftw
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Quote:
Built 00 Windsor engine, .20 over, 11.6:1cr, fully ported heads, Hardballer intake w/cooling mod, Scat rods, Probe pistons, Cobra crank, tri-metal Clevite race bearings, VT Stage 2 N/A cams, adjustable cam gears, Canton windage tray, MMR oil pump, Cobra pick up, 75MM Accufab t-body, Dragon plenum, JLT CAI, 24# injectors, Bassani mid lengths, mufflers & O/R X,255lph fuel pump, BBK FPR, Fidanza aluminum flywheel, AJE K-member, ARP hardware everywhere, X-Cal SCT custom tuned, 3.73's, Pro 5.0, polygraphite motor mounts. |
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05-01-2008, 10:49 PM
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re re
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Good for a low to low mild set up, bad for all out.
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Quote:
Built 00 Windsor engine, .20 over, 11.6:1cr, fully ported heads, Hardballer intake w/cooling mod, Scat rods, Probe pistons, Cobra crank, tri-metal Clevite race bearings, VT Stage 2 N/A cams, adjustable cam gears, Canton windage tray, MMR oil pump, Cobra pick up, 75MM Accufab t-body, Dragon plenum, JLT CAI, 24# injectors, Bassani mid lengths, mufflers & O/R X,255lph fuel pump, BBK FPR, Fidanza aluminum flywheel, AJE K-member, ARP hardware everywhere, X-Cal SCT custom tuned, 3.73's, Pro 5.0, polygraphite motor mounts. |
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05-02-2008, 09:07 AM
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#9 |
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Back in the saddle again
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good if you have a high compression motor
you need a balance if you are running your average n/a street car. running headers and open h can make less hp than a car with mufflers
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2007 Reflex Silver Wolfsburg Jetta - new hotness 1995 Canary Yellow GTS - Sold 12.81@106.2 w/1.80 60' Boltons/E303 + 3100 lbs + M&H 246 HP/ 290 TQ 12.57 @ 109.21 w/1.76 60' Boltons/GT40Ps/XE270 + 3240 lbs + 555Rs 295 HP / 321 TQ |
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05-14-2008, 12:13 PM
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#10 |
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oLD sCHooL fOOL
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so.... larger pipe diameter exhaust + free flowing muffler = low back pressure ? seriously how much could too much back pressure or too little back pressure hurt a NA motor?
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March under-drive pulleys, RAM H/D clutch, TriAx, Pro5.0 handle, BBK plenum, 75mm PP t/body, C&L True Flow polished pipe, SVT focus fuel pump, UPR O/R X, 2 chambered Flows, Ford Racing gears 4.10's, Eibach Pro Kit, energy suspension spring isolators, NT555 285/40/18s (rear), 18x9 18x10s chrome Saleens, and a shit load of interior,exterior cosmetic upgrades... 
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05-28-2008, 01:38 AM
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#11 |
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Registered User
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My car ran better with an O/R H compared to the O/R X that's on there.
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04 GT Mods: BBK Plemum * BBK 75mm T/B * BBK Cold Air Kit * H&R Drop Springs * Steeda Tri-Ax Shifter * MAC O/R H * UPR C/C Plates * Flowmaster Mufllers * Diablosport Predator Tuner * 11" King Cobra Clutch * Rebuilt 3650 by Slim Performance * FRPP 4.10 Gears |
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05-28-2008, 09:28 PM
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Three-hundredths of a second away from it!!!!
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Quote:
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2002 Mustang GT-K&N FIPK, Accufab Plenum/ 75mm T-body, Diablosport Predator, 4.10s, Pro 5.0 shifter, Bassani O/r x-pipe, Magnaflow Magnapacks, Steeda pulleys, Mickey Thompson ET streets, Moser axles, Eibach Sportlines, Hotchkis U/Lca's, 180* t-stat_ best e.t 13.02@103!!!!
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05-29-2008, 09:46 AM
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LSS Sponsor
 
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Back pressure can be good and can be bad depending on the setup and over all goals . On a small engine or mild engine , I say some back pressure is needed to maintain torque . On larger engines or more radically built engines , it becomes less of an issue .
There is also a big debate over using a X pipe vs. H pipe .vs no cross over pipe at all . I have always been a fan of the X design because it just seems to make more sense to me . Guys a lot smarter than me have told me that my car would run better with an H pipe over the X and even faster yet with just a simple extension off the header and a non chambered muffler . I still have my X pipe and MAC flowpaths on the car mainly because I like the way it sounds but I might do some changing around to pick up some ET . |
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05-29-2008, 03:30 PM
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Registered User
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Quote:
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04 GT Mods: BBK Plemum * BBK 75mm T/B * BBK Cold Air Kit * H&R Drop Springs * Steeda Tri-Ax Shifter * MAC O/R H * UPR C/C Plates * Flowmaster Mufllers * Diablosport Predator Tuner * 11" King Cobra Clutch * Rebuilt 3650 by Slim Performance * FRPP 4.10 Gears |
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