Eric, Thanks for the article but the later model Spider's had a more complicated vapor recovery system than the one in the '70's. Unfortunately Fred's fixes aren't applicable to my GTV - sure wish that they were!
Bruce On Tue, Aug 7, 2012 at 4:07 PM, Eric J Russell <[email protected]> wrote: > Perhaps the info in this post on the AlfaBB might be useful? It is from a > 1987 article in AONE by Fred DiMatteo. > http://www.alfabb.com/bb/**forums/263040-post22.html<http://www.alfabb.com/bb/forums/263040-post22.html> > > > Eric Russell > Mebane, NC > > ----- Original Message ----- From: "alfa-digest" > > Date: Tue, 7 Aug 2012 09:40:53 -0400 >> From: Bruce Giller <[email protected]> >> Subject: [alfa] Re: over pressurized fuel tank at the track >> >> >> Folks, >> >> After much consultation with fellow List members concerning just might be >> going on with my GTV, I do have a very good inconclusive report to make. I >> checked and double-checked all the hoses and connections that relate to >> the >> fuel tank. They are all clear and seem to be hooked to the correct >> connections (John Fox sent me a copy of Alfa's write up of the vapor >> recovery system). In the engine compartment I found the oil separator not >> to be clogged and all the hoses clear as well. The very small tube from >> the vapor recovery tank is to allow the vapors to liquefy and be returned >> to the fuel tank rather than sucked back into the cylinders. The vapor >> recovery system seems to in good shape in that it is hooked up correctly >> with no obvious defects. >> >> My guess-conclusion is that the fuel tank is great at accumulating heat on >> a hot day at the track but not great at lowering the pressure quickly. My >> ideas to reduce the temps at the track will be: >> >> 1. vent the tank to the atmosphere with a 'T' fitting and a valve; >> for track use only >> 2. install a heat shield between the rear exhaust and the tank >> 3. run with at most 1/2 a tank of gas at the track >> >> Thanks for all the help!! >> >> Bruce -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]
