What page in the '94 FSM does it explain the metal tubes on top of the engine for fuel and coolant?
I just saw a couple guys completely remove them so Id like som insight.
Thanks

 

star reading this :
https://www.rx7club.com/showthread.php?p=8113663
then this
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/infamous-vacuum-hose-job-422528/
then ...
http://rx7.voodoobox.net/howto/vachose/vacjob.html
and then
http://www.rx7.org/Robinette/hoses.htm

and last but not least this wonderful website :
http://www.autosportracetech.com/RX-...erOverview.htm

there i gave you some homework

after yo have done that let us know what is unclear and then we can help you