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52mm itbs ls/vtec help

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Old Jan 10, 2011 | 10:03 AM
  #1  
GABOCRX's Avatar
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Default 52mm itbs ls/vtec help

Hi, I will like to know what is your opinion with this setup,
LS/VTEC
81.5X89
11.5.1 comp
p/p cyl head,
twm 52mm itbs
buddy club spec3+

Those itbs are to big for the engine, and the cams to small?
The engine can lose power?

Any recomendations are welcome.
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Old Jan 10, 2011 | 06:56 PM
  #2  
Do-Work's Avatar
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Default Re: 52mm itbs ls/vtec help

itbs are way to big and the cams seem right for your displacement..how much power you tryin to make
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Old Jan 10, 2011 | 06:58 PM
  #3  
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Default Re: 52mm itbs ls/vtec help

Why ITBs? Is it a track only car?
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Old Jan 10, 2011 | 08:25 PM
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DDTECH's Avatar
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Default Re: 52mm itbs ls/vtec help

Originally Posted by b20vtec08
itbs are way to big and the cams seem right for your displacement..how much power you tryin to make
wrong and wrong.

itbs will do fine.

I'd go with pro1's personally over those crappy cams.
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Old Jan 10, 2011 | 11:20 PM
  #5  
tempsohc's Avatar
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Default Re: 52mm itbs ls/vtec help

Originally Posted by ALL M0T0R
wrong and wrong.

itbs will do fine.

I'd go with pro1's personally over those crappy cams.
I can vouch for the buddyclub cams. They suck! they are weak camshafts that may be already fatigued once you recieve them. If you are going to run those cams sell them and buy type r cams. they perform the say but type r camshafts will not break.
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Old Jan 11, 2011 | 07:55 AM
  #6  
GABOCRX's Avatar
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Default Re: 52mm itbs ls/vtec help

Thanks for all opinions, I am looking around 190-200whp, yes is a track only car (road race). Pro1 will be a good combination with itbs? Thanks again
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Old Jan 11, 2011 | 09:34 AM
  #7  
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Default Re: 52mm itbs ls/vtec help

The itbs are bigger than you need but i guess they will support future mods.
This motor would do better with something around the 48mm size.
is the port work done specific for ITBs and high rpm?
The volume of the intake runners will be much too large to make any low end or mid range power but for a track only car it might not be too much of a problem.
The cams needs to be matched to the port work and desired rev-range.
more important than matching them to the intake and exhaust.
the intake and exhaust should be decided on after headwork/cams, and should be chosen based on again, desired rev-range, but also expected power.
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Old Jan 11, 2011 | 10:53 AM
  #8  
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Default Re: 52mm itbs ls/vtec help

ITB's will be fine for what you have, especially if your going to a better cam.
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Old Jan 11, 2011 | 02:02 PM
  #9  
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Default Re: 52mm itbs ls/vtec help

Had 52mm's on my bone stock itr.. lets just say, speaking from personal experince rather then "here say" on hondatech, they ript face.
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Old Jan 11, 2011 | 08:24 PM
  #10  
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Default Re: 52mm itbs ls/vtec help

Originally Posted by ALL M0T0R
they ript face.
what does that mean?
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Old Jan 12, 2011 | 12:17 AM
  #11  
hood ride eg's Avatar
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Default Re: 52mm itbs ls/vtec help

also look into getting valvetrain..
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