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Throttle body size for heavy modded car

  #1  
Old 11-06-2009, 05:08 PM
jpnolan's Avatar
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Join Date: Aug 2007
Location: Miami, Florida
Posts: 1,833
Default Throttle body size for heavy modded car

Hey guys I know its been a while, college has been taking up all of my time. Also I haven't had money so no mods. But Christmas is coming, so I'm looking into throttle bodies. I can get a 68 mm for fairly cheap. So If I could go that big I'd be happy. Let me know what size you think. Also I have Crower 402s and a header on the way. so keep that in mind.



~Engine~
JE 12.7:1 Pistons
Eagle H rods
ACL bearings
bored out to 82mm
type r water pump
type r oil pump
Lightened and balanced crank
blox intake mani
blox cam gears
Bosch Platinum plus spark plugs
Resurfaced head
Complete valve job
CTR crank pulley
GS-R timing belt
Place Racing motor mounts
88-91 Sir rear bracket
ARP Headstuds
d16 throttle body
Aem Hybrid CAI
APEXi WS2 Cat-Back Exhaust

~Trans~
Fidanza 7.5 lb Flywheel
ACT heavy duty clutch
Innovative Mounts Custom length B-series Shift-Linkage
da clutch cable

~Electronics~
Swap Shop Racing Obd-0 to Obd-1 Harness
Obd-1 P75
Tuned on chrome

~Cooling~
12" slim fan
Mishimoto Aluminum Radiator

~Fuel~
Benen Fuel rail
Precision 880cc injectors Low Impedance
blox fp gauge
Walbro 255 LPH-HP Fuel Pump
blox fuel pressure regulator
 
  #2  
Old 11-07-2009, 07:21 AM
reaper2022's Avatar
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Location: Lexington, KY
Posts: 7,081
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Nice to see you back on the forums, john

Anyway, I really see no reason you couldn't step up to a 68mm TB. I mean, you have an intake, intake manifold, cams and a header on the way, raised CR, and a full cat-back. At this point, I'd say the d16 throttle body could definitely be a restriction in the system.
 
  #3  
Old 11-07-2009, 08:49 AM
jpnolan's Avatar
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Location: Miami, Florida
Posts: 1,833
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Ya I kinda ran out of money at the end of the build, but someone told me I couldn't go bigger than 65 so I'm extremely confused. But ya hopefully after this, header, cam and nos the car will dominate...
 
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