I drove both a '69 and my present '70 all over the Arizona desert. I lived
about half way between Phoenix and Tucson. Never had a vapor lock problem.
Both were stock at the time.
Best regards,
Fred Schroeder
Denison, TX
SRL311-13359
TDROC
Reg e-mail sitsinwest@texoma.net
Home page http://home.texoma.net/~sitsinwest
----- Original Message -----
From: "Dan Neff" <neffster189@adelphia.net>
To: "Roadster Listgroup" <datsun-roadsters@autox.team.net>
Sent: Saturday, April 06, 2002 11:29 PM
Subject: Vaporlocking
> Greetings y'all,
>
> Well, I've been driving and tweaking my car all winter, and figured
> FOR SURE I've got this thing tuned so sweet it couldn't possibly have
> vaporlock problems come summer time. NOT!
>
> Pretty much a normal (non-race) setup: non-smogged, 1.5 yr old
> Ztherapy SU's, header, Boone's EI dizzy, fuel line goes around front of
> engine, bracketed away from it (another WyCROCer ran his fuel line around
> the front of the rad, made no difference). Heat shield's there and in
> good shape. Fuel pump's only a year or 2 old. Valve job a year ago. Runs
> like a top. Gets about: 30mpg highway, 27mpg town, 3,000 mpq oil. NEVER
> overheats - we thought the temp gauge might've read low, but the head was
> STRAIGHT and stock thickness last year. I've put about 60,000 miles on it
> in 4.5 years :) - and it's ALWAYS had vaporlocking problems in the
> summer (80-95 degsF) (until now, there's usually been several possible
> influences/mech'l problems).
>
> Even today where we hit around 70, I get in stop'n go traffic/lights,
> and it puts up with it for a little while, then starts sputtin' and
> farting (so do I, but that's another story...). Maybe it's altitude?
> I'm at 7,000 ft.. Everything boils at a cooler temp up here. 'Course
> once I get on open road, it clears up after a minute or 2. I WOULD say
> it recovers quicker than ever before...
>
> I could've sworn one of you Arizonian roadster folks mentioned never
> having had a vaporlock problem, even in 100+ weather! If so, HOW SO???
>
> Wish I could test the altitude theory by bringing it down to Solvang.
> sigh. Maybe next year.
>
> thanks,
> dan neff '69 2000
> colorado springs, co
> http://www.wycroc.org
>
> /// datsun-roadsters@autox.team.net mailing list
> /// Send admin requests to majordomo@autox.team.net or go to
> /// http://www.team.net/cgi-bin/majorcool
> /// Send list postings to datsun-roadsters@autox.team.net
/// datsun-roadsters@autox.team.net mailing list
|