----- Original Message -----
From: "David Massey" <105671.471@compuserve.com>
To: "Jay Snavely" <jays@paonline.com>
Cc: "Triumphs" <triumphs@autox.team.net>
Sent: Thursday, July 06, 2000 9:08 PM
Subject: Oil cooler
>
> Message text written by "Jay Snavely"
> >I have a stock 74 TR6 with 87000 miles and I do not believe the engine
has
> been rebuilt. I cleaned out the radiator and redid the cooling system.
> The
> other week I drove the car all day in 90-95 F weather at a 40-50 MPH pace,
> 2000 to 3000 rpm. The oil pressure was <25 at idle and rarely hit 50 psi.
> I thought it was time for a rebuild and new oil pump. Later I drove it at
> the same speeds but in 80-85 F weather. The oil pressure at idle was 25
> and
> was >50 at 3000 rpm. The car ran at normal water temps on both days. I
> guess the difference in air temp caused this variation in oilt
> temp/pressure. Now I am thinking maybe I should put in an oil cooler and
> put off the rebuild a few years/thousand miles. Any comments?
Are you using 20w-50w oil? That's what the engine needs, no the modern thin
oils (10w-30, etc) that the newer engines with their much tighter tolerences
need.
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