Interesting thought. If so, perhaps increasing the valve clearance would
reduce overlap and improve the test results at idle.
Stephen
> ----------
> From: Rob C Swift[SMTP:RobSwift@PetCentre.com]
> Reply To: Rob C Swift
> Sent: Thursday, June 01, 2000 7:21 AM
> To: Triumph List
> Subject: RE: TR6 Cam Shaft Problem...big one
>
>
> List,
>
> I have had similar problems getting my '75 TR6 to pass emissions
> here in
> Northern Virginia. My car passes at the 2500 rpm test, but fails at the
> idle test. I have had the carbs (stromburg) rebuilt, and have had a
> variety
> of mechanics try to find a "tune" that will allow me to pass. We always
> come short on the idle test. I have a Kent "Fast Road" cam, and most
> peoples opinion is that this cam does not allow the valves to shut
> completely at idle, allowing unburnt fuel to pass out the exhaust. I
> believe they call the process "blow by" or something like that.
>
> Let me know if anyone agrees or disagrees with any of these statements!!
>
> Rob Swift
>
>
>
> -----Original Message-----
> From: owner-triumphs@autox.team.net
> [mailto:owner-triumphs@autox.team.net]On
> Behalf Of David Massey
> Sent: Thursday, June 01, 2000 9:26 AM
> To: Stephane St-Amant
> Cc: [unknown]; [unknown]
> Subject: Re: TR6 Cam Shaft Problem...big one
>
>
> Message text written by "Stephane St-Amant"
> >Another option:
> You could try moving to a state where the emissions law are not as
> strict!!!
> ;-)
>
> Steph
> <
>
> Like Quebec, for instance? ;-)
>
> Dave
>
|