All in MM
* d15b7 - 56
* d16a6 - 55
* d16y7 - 56
* d16y8 - 56
* d16z6 - 56
* ZC - 55
* d16a1 - 55
* d16a8 - 55
* b18c1 - 60
* b18c5 - 62
* b18a - 58
* b18b - 60
* b16a SiR - 58
* b16a Sir2 - 60
* b16a2 - 60
* b16a3 - 60
* b20b - 60
* b20z - 60
* h22a - 62
* h23a - 60
* f20c - 66
* f22 - 60
* f23 - 60
* D15B6 - 46
* F22C1 - 66
If anyone has any more, let me know and I will add them to the list.
Stock Honda TB sizes
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99PreludeSh
- Posts: 6921
- Joined: Mon Nov 13, 2006 2:39 am
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Waffles
- Posts: 6876
- Joined: Mon Dec 11, 2006 3:45 am
Stock Honda TB sizes
Your right, I have edited the first post.99preludesh;69300 wrote:but h22 is 62 mmwe never get enough credit lol jk
Great post btw!
If any one else finds any other mistakes kindly let me know.

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JustRob
- Posts: 7884
- Joined: Sat Nov 18, 2006 7:28 pm
Stock Honda TB sizes
The D15B6/CRX HF TB is 46mm 
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stolle
- Posts: 2241
- Joined: Wed Nov 08, 2006 5:47 pm
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Waffles
- Posts: 6876
- Joined: Mon Dec 11, 2006 3:45 am
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mike93hatch
- Posts: 2869
- Joined: Tue Dec 05, 2006 5:42 am
Stock Honda TB sizes
whats a cx ? like 22mm ? LOL
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Keith
- Posts: 41
- Joined: Fri Feb 09, 2007 2:52 am
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Waffles
- Posts: 6876
- Joined: Mon Dec 11, 2006 3:45 am
Stock Honda TB sizes
F20c is 62mm, i have confirmed with a few sourcesKeith;69461 wrote:The S2000 (F20C and F22C1) TB is actually 66m and boreable to 70mm.
Keith

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Keith
- Posts: 41
- Joined: Fri Feb 09, 2007 2:52 am
Stock Honda TB sizes
Maybe they meant the intake manifold side... the intake side is definitely 66mm (I running one on my Prelude and I have an S2000)->btlfedgolf;69463 wrote:F20c is 62mm, i have confirmed with a few sources


Keith


