LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

When do you know its time for better injectors and a new throttle body?

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Old Feb 17, 2003 | 02:21 PM
  #1  
Rodrigues's Avatar
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Joined: Mar 2002
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From: Bloomfield Hills MI
When do you know its time for better injectors and a new throttle body?

I am doing a xe 224/230, ported heads, headers and I am wondering when I should upgrade to 30 lb injectors and upgraded throttle body. I don't really want to do them until I need them unless the throttle body gives me a lot of extra horsepower.
Old Feb 17, 2003 | 02:27 PM
  #2  
teke184's Avatar
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From: US 1 Mile Marker 52 in the Florida Keys
even with heads and cam, you'll probably only pick up ~10hp with a bigger TB...not really worth $300+

you could look into having someone like NOMAD boring your stocker to 52mm for bout $160 i think.

as for injectors...no idea...
Old Feb 17, 2003 | 02:34 PM
  #3  
Gripenfelter's Avatar
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From: Winnipeg, Manitoba, Canada
Check ebay as well.

Lots of guys selling ported 52mm TBs.

30# injectors would not be a bad idea.

You would be raising your duty cycle a bit with 24# units.
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