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03-22-2010, 08:53 PM
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#1 |
 
Drives: Camaro RJT 2SS/RS Join Date: Aug 2009
Location: Frederick,Maryland
Posts: 271
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Throttle body plate drilling...
Okay so next week i'm putting a cam in my SS, and after much research i was on LS1helptech.com and found on one of the forums an old school trick for smoothing out the idle. Apparently "drilling a small hole in the bottom the throttle plate no greater than 1/4 of and inch. But... again that was an LS1 with a throttle cable. I know this works in the older carb motors, but how much does it help with the LS3 where it's a drive by wire system? I would think that the ECU take care of opening the throttle body plate to level out idle, regardless of cam lobe size... well... with in reason of course.
Please if anyone has done this, let me know your experience and if this has worked for you! Ideas, hints, tips are welcome.... 
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2010 RJT SS
Port and Polished, Milled .005 Heads Patriot Valve Springs, Titanium Retainers&locks Manley Race Valves Comp Chromoly push-rods Ported T/B DT Headers, JBA H/F Catted mid pipes Magna Flow Comp series exhaust w/ Xpipe Comp Custom grind Cam Tune and Machine work done by MPC CAI Intake |
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03-22-2010, 09:07 PM
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#2 |
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Drives: CGM 2SS Roto-Fab CAI, Mach XL CAT Join Date: Oct 2009
Location: Cypress TX
Posts: 251
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Just get an intake and a tune.
 The Car's Computer is learning your driving habits so make sure your teaching Her right. Also If you barely floor it a little instead of just punching it you"ll get a better jump. The throttle is a computerized and I think it takes longer for the computer to register a "Floor it" than to "Throttle Engage" if that makes sense. It may be trying to protect the engine. I love this freakin car. It's a monster
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03-22-2010, 09:40 PM
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#3 |
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Drives: 1999 Trans Am Join Date: Jul 2009
Location: Bridgewater,Ma
Posts: 2,017
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Do not drill the throttle body.. That was something we did in 2001 when tuning was not available.With todays cars you can control the throttle opening for idle. By drilling the hole you might screw up something.
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03-23-2010, 11:18 AM
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#4 | |
  
Drives: 2010 LSX Shootout World AM Finalist Join Date: Sep 2009
Location: DFW, TX
Posts: 795
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03-23-2010, 11:26 AM
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#5 | |
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Drives: Camaro RJT 2SS/RS Join Date: Aug 2009
Location: Frederick,Maryland
Posts: 271
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Quote:
__________________
2010 RJT SS
Port and Polished, Milled .005 Heads Patriot Valve Springs, Titanium Retainers&locks Manley Race Valves Comp Chromoly push-rods Ported T/B DT Headers, JBA H/F Catted mid pipes Magna Flow Comp series exhaust w/ Xpipe Comp Custom grind Cam Tune and Machine work done by MPC CAI Intake |
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03-29-2010, 11:13 PM
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#6 | |
 
Drives: 2010 Camaro 2SS / RS Join Date: Feb 2010
Location: Los Angeles, CA
Posts: 142
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Quote:
ahh memories, i did that in high-school after camming the LT1.
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