ISV snorkel
#1
Racer
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Join Date: Jun 2001
Location: New Zealand
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ISV snorkel
Hi All,
On the post 91 engines with plastic engine manifolds, the ISV hose was changed from a bent pipe to a silenced snorkel in order to quieten the engine a little. The 993 used a slightly different design (a ribbed snorkel) apparently in order to improve the idle.
Just out of interest, has anyone tried using the 993 snorkel on a 964? The positioning of ISV to manifold looks about the same to me.
Ade
On the post 91 engines with plastic engine manifolds, the ISV hose was changed from a bent pipe to a silenced snorkel in order to quieten the engine a little. The 993 used a slightly different design (a ribbed snorkel) apparently in order to improve the idle.
Just out of interest, has anyone tried using the 993 snorkel on a 964? The positioning of ISV to manifold looks about the same to me.
Ade
#2
Technical Specialist
Rennlist
Lifetime Member
Rennlist
Lifetime Member
Ade,
I've been meaning to track down a 993 wiring diagram to see if the electrical connections are any different. I'll be interested to see if anyone has done that.
Jeff Curtis, if you read this post, how did your ISV modification work on your engine?
I've been meaning to track down a 993 wiring diagram to see if the electrical connections are any different. I'll be interested to see if anyone has done that.
Jeff Curtis, if you read this post, how did your ISV modification work on your engine?