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mcdat
NEED HELP(Which Throttle Body)
#1
No life (a.k.a. DattoMaster)
Joined:
2010/11/1 1:01
From Goulburn NSW
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Hey Guys,

Im in need of some advice to choose which throttle body size i need.This is for a stroker ca18det motor,the plenum will be make by Custon Plenum Creations.Any advice would be much appreciated.

Cheers Mcdat.

Posted on: 2022/9/5 1:06
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ddgonzal
Re: NEED HELP(Which Throttle Body)
#2
Moderator
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2001/5/3 7:04
From 48 North
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Which throttle body size for a plenum depends on the horsepower you will be regularly targeting

* stock CA18DE (131 hp) 42mm/70mm
* stock CA18DET (167 hp) 55mm/70mm
* modded CA18DET (400 hp) 68mm

The smaller number is the size of the throttle bore & throttle blade, the larger is the external pipe connection

You can go a bit smaller if you will rarely be revving the engine up to the peak HP

Posted on: 2022/9/5 3:43
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