vapor locking?
09-18-2004, 04:23 AM
#1
Junior Member
Thread Starter
Join Date: Jun 2004
Location: colorado
Posts: 8
Likes: 0
Received 0 Likes
on
0 Posts
Car: 91 Camaro Z28 Convertible
Engine: 305
Transmission: 700 R4
vapor locking?
Hello, have a 91 Z convertible w/ 305 and 700 R4, the car has 120k miles on, I got it awhile ago and have'nt been driving it much, lately it's been pretty warm here, in colo, high altitude too, are these cars notorious for vapor locking, mine appears to be....stalling out wont start unless cooled down for 20 or so minutes, runs rough sometimes, any help is appreciated..
Thanks....
Thanks....
09-18-2004, 02:32 PM
#3
Supreme Member
Join Date: Jul 1999
Location: Loveland, OH, US
Posts: 18,457
Likes: 0
Received 15 Likes
on
15 Posts
Car: 4
Engine: 6
Transmission: 5
Yup, pretty hard to have vapor lock with 40 psi of pressure inthe fuel line. I'd elimitate that as a possibility, it isn't happening.
Check the fuel pressure when it's doing it. I'm guessing you'll find it's real low. Should be around 37-38 psi sitting there idling normally; 43 psi or so at WOT, or if you disconnect the vacuum line to the regulator.
Check the fuel pressure when it's doing it. I'm guessing you'll find it's real low. Should be around 37-38 psi sitting there idling normally; 43 psi or so at WOT, or if you disconnect the vacuum line to the regulator.
09-19-2004, 04:14 PM
#4
Supreme Member
iTrader: (2)
Join Date: Feb 2002
Location: Nashville TN
Posts: 1,141
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1989 Trans Am
Engine: 355 HSR
Transmission: Pro-Built 700r4 w/ 3400 converter
Axle/Gears: 10 bolt w/ 3.42 gears
Vapor Lock... somebody has been watching too much NASCAR!!! 
J/k... like said RARELY ever happens in FI situations... Carbs are more suspect.
I can't say anything about NASCAR though... I do watch religiously!! :lala:
J/k... like said RARELY ever happens in FI situations... Carbs are more suspect.
I can't say anything about NASCAR though... I do watch religiously!! :lala:
Thread
Thread Starter
Forum
Replies
Last Post
Damon
Tech / General Engine
8
09-26-2015 04:29 PM
Dragonsys
Engine/Drivetrain/Suspension Parts for Sale
2
09-25-2015 03:51 PM
