[TR] Spitfire Mk III Engine Interchangeability Pre-71?

[Wayne Lee]

Thanks Joe,
   The Guy who's selling me the Car said it was too bad he didn't have the 
1300 Block with the same Serial#
as the Engine that broke it's Crank and got replaced with this 1300. I don't 
know why he'd be worried about
#'s matching on this Car. I thought later he might have meant he now has the 
later 1300 mentioned below as opposed to the
original 69 type  Motor, I was wondering if he was talking about the Casting 
#. I hope it's the older style 1300.
Is there one that's preferred over the other? I have some HS4's I'd like to 
fit on this. How are Manifold's to find for these?
I've seen the Adapter Plates, but will the UK 1500 Intake Manifold set up 
for 2 x HS6's fit on the 1300 Heads and how available
are they? I have a few 1500 x 1 Stromberg type Manifolds. I was curious if 
many people have run 1-HS6 on the Manifold?
I wouldn't go this route, but it seems adequate for a street 1300. Sorry for 
all the questions...
Cheers,
Wayne
--------------------------------------------------
From: "Joe Curry" <spitlist at cox.net>
Sent: Saturday, April 10, 2010 5:59 PM
To: "'Wayne Lee'" <wayne at motorcarriage.com>; <Triumphs at autox.team.net>
Subject: RE: [TR] Spitfire Mk III Engine Interchangeability Pre-71?

> All spitfire engines have pretty much the same outside dimensions and
> therefore will fit any year model.
>
> The only things that you might have to deal with are connections to other
> gearboxes, meaning that if you do not change gearboxes, you may have to 
> deal
> with some clutch and flywheel issues.  If you do change gearboxes as well,
> then you might have to deal with a longer or shorter drive shaft.
>
> But the engine blocks themselves have the same location for engine mounts
> and have the same bolt pattern on the backing plates.
>
> Joe
>
> -----Original Message-----
> From: triumphs-bounces at autox.team.net
> [mailto:triumphs-bounces at autox.team.net] On Behalf Of Wayne Lee
> Sent: Saturday, April 10, 2010 1:27 PM
> To: Triumphs at autox.team.net
> Subject: [TR] Spitfire Mk III Engine Interchangeability Pre-71?
>
> Hi List,
>     I seen an Engine For Sale that when reading the description raised 
> some
> questions.
> The 1300 Engine was described as fitting OEM 71-74, but that it would fit
> all
> Spitfire
> Frames 71-80.
>   I wasn't aware that the earlier 1300's were the only Engine to fit into 
> a
> pre-71 MK III.
> I understand that You can basically fit anything into anything. But what's
> the
> difference?
> I've seen a few 1500's put into MK III's. Is a special mount needed?
> Cheers,
> Wayne
> Douglas, MA
> 64 TR4
> 69 Spitfire
> 75 TR6
>
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