Dave, one thing to check before you throw all the pi stuff out.
Take out all injectorsand check they actually sit tight in their tubes.
I had four out of six where the rubber o ring was squashed. Result:
petrol pouring by.
Gernot
> ----------
> From: David Hill[SMTP:David_J_Hill@email.msn.com]
> Reply To: David Hill
> Sent: Monday, June 29, 1998 8:51 PM
> To: Triumphs@autox.team.net
> Subject: SU Needles and things
>
>
> Hello, People,
>
> I still have a thirsty PI and am seriously considering using the SUs
> from my
> 2.5S donor to give me a decent mixture until I can afford to overhaul
> the PI
> system. I'm worried about the rich mixture washing the oil off the
> bores and
> accelerating engine wear.
>
> I've cleaned the carbs up today and they are in fair condition
> so........
>
> 1. Which needles are correct for the PI cam?
>
> 2. Does anyone know the BSP thread sizes at the boot and engine bay
> ends of
> the fuel line, i.e. on the pressure regulator and on the metering
> unit? I
> want to make up adaptors to attach fuel lines so I can revert to PI at
> a
> later date.
>
> 3. Will the fuel filter in the boot upset a competition-spec. MGB
> electric
> fuel pump or can I leave it in circuit.
>
> Thanks in advance,
>
> Dave Hill, UK,
>
> '72 2.5PI with drink problem.
>
>
>
>
>
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