what is stock bore on throttle body?

Ksan

New Member
hey does any one know what is the bore on a Stock LS throttle body? also if it be ok to use on a skunk2 intake manifold because of short money?
 

Vtec-Pwr

OPP-O1-OH-DC2
I remember reading somewhere that is 58mm for ls, 60 for gsr, and 62 for type R but dont take my word, i'm not 100% sure though.
 

mteg

Automatic Lover
LS 58-60mm depending on year, itr is 62mm. I've measured all three with a caliper.
 

mteg

Automatic Lover
Idk, I measured the bore on a 01 ls tb and it was exactly the same as a 00 gsr tb-60mm. On a b18ba tb the bore is only 58mm. Both ls tb's measured were off of automatics (this shouldnt matter). The itr one we measured was off a 99 I think which came up a hair over 62mm.
 
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