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Throttle Body Interchangeability

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Old Jan 12, 2005 | 09:01 PM
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Default Throttle Body Interchangeability

What is the interchangeability of LS1 throttle bodies. Will say a 98 TA work on a 01 SS. Does EGR play into the picture. I have a 2001 camaro and am considering buying a used TB to get ported and polished.

TIA Mike
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Old Jan 12, 2005 | 09:04 PM
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all TB's are interchangable, the difference is in the throttle cam, the 98-00 have a smaller ones. i've got an 02 TB on my 98.
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Old Jan 12, 2005 | 09:14 PM
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Originally Posted by jrp
all TB's are interchangable, the difference is in the throttle cam, the 98-00 have a smaller ones. i've got an 02 TB on my 98.
What does the difference in throttle cams effect?

Any idea why it was changed?

Does it take less gas pedal movement for the same throttle movement, or less?
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Old Jan 12, 2005 | 09:35 PM
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98-00 TB's open a bit faster. its nothing really noticable.
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Old Jan 12, 2005 | 10:58 PM
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Of what I have seen is 98-99s are basicaly the same and 00 and up are the same. The 98-99 throttle lever part # is 24944/24642 and the 3 for 00 and up is 18664 I believe.
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Old Jan 12, 2005 | 11:59 PM
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Originally Posted by Bo White
Of what I have seen is 98-99s are basicaly the same and 00 and up are the same.


My '00 is the same as this '02 I was workin on. Same throttle cam and all.
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Old Jan 13, 2005 | 09:40 AM
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If you get a truck TB you may also find the PCV and
coolant nipples are different. The PCV you can pull out
& swap (same for the throttle shafts & other fittings)
but the coolant lines are in there good; I hacked the
whole boss off, it gave me room to route the bypass
cleanly.
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Old Jan 13, 2005 | 10:02 AM
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Originally Posted by jimmyblue
If you get a truck TB you may also find the PCV and
coolant nipples are different. The PCV you can pull out
& swap (same for the throttle shafts & other fittings)
but the coolant lines are in there good; I hacked the
whole boss off, it gave me room to route the bypass
cleanly.
Yea, I'm a few days away from hacking mine off and bypassing them completely. Dremel cutoff wheels are great things
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