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Fuel vaporising in fuel rails?.......

Old 10-04-2011, 07:59 AM
  #1  
chuntington101
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Default Fuel vaporising in fuel rails?.......

Thoughtyou guys might beable to shed some light on the car in the below link. Its an Ultima GTR with a LS7 unit used for racing in the UK. The team recently took part in a 24hour event and had some pajour problems with a missifr ethat was believed to be down to the fuel vaporising in the rails. it effected alot of LS7 powered cars. Just wondering if any of you have had / heard of similar problems?

If not then please enjoy the thread.

http://www.pistonheads.com/gassing/t...%2F2nd+October

Thanks,

Chris.
Old 10-04-2011, 10:19 AM
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RX-Ben
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That is a lot of exhaust piping near the heads.
You could get a quality heat coating (like Swain Tech) and also install some heatshields with the fancy reflective tape btw the headers and the fuel rail.
You could also use a small cooler somewhere in the fuel system (maybe after the swirl pot, pre-fuel rail).
Check pics of the Ultralite SL-C and Daytona Prototypes but not sure if any of the that will carry over.


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