[WPTA] 1500 Spitfire oil pump install

[Bruce Stutzman]

Tim
If you haven't already done so, draw a line with a marker down the dizzy
amd mount so you can put it together as you got it.


On Tue, Jul 4, 2023 at 8:59 PM jerryvvtr4a--- via Wpta <wpta at autox.team.net>
wrote:

> I’d pull the distributor and see if the pump will then fit. And then place
> the distributor back into the engine.
>
> JVV
>
>
>
> *From:* Wpta <wpta-bounces at autox.team.net> *On Behalf Of *Gary Fredo via
> Wpta
> *Sent:* Tuesday, July 4, 2023 3:27 PM
> *To:* WPTA <wpta at autox.team.net>; Tim Prell <tjprell at gmail.com>
> *Subject:* Re: [WPTA] 1500 Spitfire oil pump install
>
>
>
> From looking at the repair manual and parts manual it looks like it should
> slide right in.  It's been a long time since I've had an oil pump out of a
> Spitfire engine.  Probably 30 years so mostly going by memory which isn't
> too good.  Anyway, you mentioned below that "nothing was moved or loosened
> at the distributor".  Actually you spun the camshaft and the distributor
> when you spun the crankshaft.  I think the oil pump shaft slot (at the
> bottom of the distributor) is slightly off center so you may have to spin
> the oil pump shaft 180 degrees to get them to line up.  That's about all I
> can think of right now.
>
>
>
> Hope that helps.
>
>
>
> Gary
>
>
>
> On Tuesday, July 4, 2023 at 12:48:12 PM EDT, Tim Prell via Wpta <
> wpta at autox.team.net> wrote:
>
>
>
>
>
> I started the process of replacing thrust washers in my 77 Spitfire this
> spring and after encouragement from a Triumph Spitfire restoration and
> support forum, also tried replacing main bearings and rod bearings in
> place.(for better or worse). In order to access the mid-crank rod bearing
> bolts, I removed the oil pump (cover plate, inner rotor, outer rotor shaft
> assembly). Now that all the work is complete and the engine spins as
> expected, the oil pump inner rotor and shaft will not slide fully back into
> place - it fits into its slot but stops at ~ 1 - 1.5" from fully inserted.
>
> I can see the slot at the end of the distributor assembly and a second
> opening in a plate for the inner rotor and shaft to slip through which must
> be blocking the shaft. The inner rotor shaft assembly spins easily. Any
> ideas on what can be displaced that won't allow the shaft to completely
> slide into place would be helpful. Nothing was moved or loosened at the
> distributor - I only worked on the lower end to replace thrust washers and
> main plus rod bearings. Some pics attached.
>
>
>
> thanks for feedback (at least serious feedback :-).
>
>
>
> Tim
>
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