[DML] Re: Vapor Lock

[tobyp@xxxxxxxxxxxx]

Hello List - I had a conversation with a DeLorean owner who had 
driven his car to Pigeon Forge.  On the trip, he had a number of 
suction hose issues down in the tank, and actually had 
the "opportunity" to do a little DeLorean "tank diving" alongside the 
interstate.  He told me that the fuel was so hot in the tank that he 
felt like it was burning his skin.  Between the hot air blowing on 
the tank from the radiator, and the fuel being returned to the tank 
from the engine compartment as part of the recirculation that goes on 
continuously in the DeLorean, the fuel was heated to a significant 
degree (pun intended).  Here's the question for the List - Would this 
phenomenon have any bearing on the discussions about fuel vapor 
lock?  I know that the book that I have on Bosch fuel injection 
systems says that tank shape is critical for the K-Jetronic system 
that we have.  According to the book, the tank must be oriented 
vertically and should be relatively deep so that there can be good 
intermix of hot and cool fuel within the tank, in order to avoid 
temperature stratification. Consider the shape and orientation of the 
DeLorean fuel tank ...

Toby Peterson VIN 2248 "Winged1"
DeLorean Parts Northwest, LLC
www.delorean-parts.com

--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> 
wrote:
> Isn't vapor lock a suction problem, not a pressure problem (liquid
> turning to gas due to lowered evaporation point)? If so, the only
> place it could possibly happen on a DeLo is inside the tank, which 
is highly unlikely given the cooling effect of all that fuel.





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