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Rubber tubing by 85fieroguy
Started on: 09-20-2015 12:46 PM
Replies: 2 (142 views)
Last post by: Khw on 09-21-2015 01:49 AM
85fieroguy
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Report this Post09-20-2015 12:46 PM Click Here to See the Profile for 85fieroguySend a Private Message to 85fieroguyEdit/Delete MessageReply w/QuoteDirect Link to This Post
Ok..need some advice. have finished with new exhaust manifold gaskets, EGR tube,re torqued bolts but wondering if I should replace the rubber ( neoprene ??) vacuum lines with silicone tubing that comes in different colors and I.D. Whats the difference of rubber and silicone as to heat with the stock V-6 85 GT.
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Patrick
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Report this Post09-20-2015 05:06 PM Click Here to See the Profile for PatrickClick Here to Email PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post

I've had five Fieros that have been in running condition over the last 20 years. I've had to replace a grand total of ONE rubber fitting, and that was a small tube/elbow connected to the EGR solenoid.
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Khw
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Report this Post09-21-2015 01:49 AM Click Here to See the Profile for KhwClick Here to Email KhwSend a Private Message to KhwEdit/Delete MessageReply w/QuoteDirect Link to This Post
I once bought one of the silicone vacuum line sets they sold in the auto parts store to replace the vacuum tubes on my VW Golf. I noticed once I got home and opened the package that they are "intended for off road vehicle use only" but decided to use them anyways. I mean of all the times I had ever prior to that and have after that, not once has a officer asked me to pop the hood. My experience? If you want to use silicone vacuum lines DO NOT buy the kit like this.



They are not thick enough walled. The vacuum when applied to them will eventually collapse them. You need to get thicker walled silicone tubing if you want to go silicone. I was wondering why my Golf was running so bad and my gas mileage had dropped off so much until I popped the hood while it was running and found over half the silicone tubing collapsed.
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