I have a heat shield between the carb and exhaust manifold.
Greg
1978 Spitfire 1500
----- Original Message -----
From: "Joe Curry" <spitlist@cox.net>
To: "'Greg Stull'" <gastul@roadrunner.com>; "'Spitfire Group'"
<spitfires@autox.team.net>
Sent: Wednesday, July 21, 2010 12:59 PM
Subject: RE: [Spits] Sputtering when hot above 50 mph
> If the car does not already have a heat shield between the exhaust
> manifold
> and carb, I would start by installing one. Those things are easy to
> construct from sheet aluminum and are very effective at preventing the
> heat
> from the exhaust from boiling the fuel in the float bowl.
>
> Hopefully that will solve your problem.
>
> Joe
>
> -----Original Message-----
> From: spitfires-bounces@autox.team.net
> [mailto:spitfires-bounces@autox.team.net] On Behalf Of Greg Stull
> Sent: Wednesday, July 21, 2010 4:22 AM
> To: Spitfire Group
> Subject: [Spits] Sputtering when hot above 50 mph
>
> Sent this last night but I didn't know if it went through, I didn't see
> it.
> Sorry if you received it twice.
>
> Thanks guys,
>
> I drove it last night and ran great. Had it up to 60 mph for about 20
> miles.
> Temperature was in the lower 70's. Maybe I didn't drive it long enough.
> When
> I
> have trouble is when the temperature is in the 90's.
>
> Let me ask another question, could oil make the car run hotter. I did an
> oil
> change and used Auto Zone brand oil. I usually use Valvoline oil. I still
> used
> 20 W 50 like I always use. Just trying to think of things I did since
> problem
> started.
>
> Also what is the reason for the spacer on the fuel pump? I heard two
> different
> reasons. One is that it makes the fuel pump run a little cooler and the
> other
> is you can use a fuel pump from a different model car (like a Chevy)
> that's
> more common.
>
> I'm going to put a 160 degree thermostat in to see if that helps. Also
> going
> to put a new fuel pump on but I can't understand why it only does it on a
> hot
> day. Unless the fuel pump acts up when it gets hot?
>
> Matt, you wouldn't happen to be going to the Vintage Grand Prix at
> Pittsburgh
> this weekend? I'll be there on Saturday but as of right now I wouldn't be
> driving my Spitfire there.
>
> Greg
> 1978 Spitfire 1500
> Ohio
> _______________________________________________
>
> Spitfires@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $11.47
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/spitfires/spitlist@cox.net
_______________________________________________
Spitfires@autox.team.net
Donate: http://www.team.net/donate.html
Suggested annual donation $11.47
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|