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Discussion Starter #1
I will shortly be refitting the engine and gearbox in my S2 Spider, which is considered easier fitting the engine and gearbox together or engine first then fitting the gearbox to the engine from underneath the car
 

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Never done an Alfa but plenty of front drive Escorts and Cortinas and on those always engine and box together; so much easier to get the box onto the engine and re-check clutch alignment with the engine out if you are struggling. Nothing worse than dropping an engine in then doubting that the clutch is aligned properly because you are struggling to get the box on.
 

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I will shortly be refitting the engine and gearbox in my S2 Spider, which is considered easier fitting the engine and gearbox together or engine first then fitting the gearbox to the engine from underneath the car
Something I will be giving due consideration to myself shortly when I refit mine. I unbolted the engine from the gearbox, removed the engine, then the gearbox on removal. I'm happy to refit the gearbox after installing the engine, but if (after testing) my lifting device will take both, then that is how it will be.
 

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Note: when I was regularly doing fords engine and box were always lifted with a forklift, car outside and front of the car up on ramps. The reason for car on ramps is that engine and box combined is quite long and the output extension on the box digs into the ground if you don't have the front of the car in the air. I don't know how you are lifting your engine so both together may cause more problems than it solves.

I have done just gearbox but being under the car laying on my back I often struggle to get the gearbox input shaft to align with the clutch plate and bearing. Some go in straight away and some are right buggers.
 

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Note: when I was regularly doing fords engine and box were always lifted with a forklift, car outside and front of the car up on ramps. The reason for car on ramps is that engine and box combined is quite long and the output extension on the box digs into the ground if you don't have the front of the car in the air. I don't know how you are lifting your engine so both together may cause more problems than it solves.

I have done just gearbox but being under the car laying on my back I often struggle to get the gearbox input shaft to align with the clutch plate and bearing. Some go in straight away and some are right buggers.
Ah yes, quite right, I should have said I do mean to measure that! Your reference to Fords, back in the 70's when I was a mechanic working on my own I used to replace loads of clutches, working only with jack and stands, lifting gearboxes out then back in, heavy [email protected]@ers like Triumph 2000 with overdrive were a struggle, but Fords, Marinas and Fiat 131's were easy. I managed to get down to 45 mins for a Mk2 Cortina, into the workshop onto the stands, box out clutch in and back on the ground. Damned if I could get anywhere near that these days.
 

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drop them in together (from top)

If you have the option to put them in bolted together as a unit, it is always easier to re-install the engine and gearbox already assembled to each other, from above, rather than separately (with the engine going in from above and the gearbox being attached from underneath the car later).
 

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Discussion Starter #7
I will shortly be refitting the engine and gearbox in my S2 Spider, which is considered easier fitting the engine and gearbox together or engine first then fitting the gearbox to the engine from underneath the car
I fitted the engine and gearbox today as a complete unit, it went much better than expected, once set up it took 45 minutes to drop in the engine and fit the engine mounts and rear gearbox bracket
 

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Is the gearbox support a weak point please? We're your engine mounts shot it or just a sensible precaution as you were changing the motor ?
 

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Discussion Starter #11
Is the gearbox support a weak point please? We're your engine mounts shot it or just a sensible precaution as you were changing the motor ?
The engine mounts were sagging and had a tendency to push the engine slightly forward, the gearbox support bush was completely shot, in general the engine rocked when running which clearly also transmits movement to the gear lever, the engine mounts could be replaced with the engine in stitu but I guess the gearbox would need to be removed to replace the rear support bush
 

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Discussion Starter #12
Is the gearbox support a weak point please? We're your engine mounts shot it or just a sensible precaution as you were changing the motor ?
The engine mounts were sagging and had a tendency to push the engine slightly forward, the gearbox support bush was completely shot, in general the engine rocked when running which clearly also transmits movement to the gear lever, the engine mounts could be replaced with the engine in stitu but I guess the gearbox would need to be removed to replace the rear support bush
 

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but I guess the gearbox would need to be removed to replace the rear support bush
actually it can be done in situ.
It helps to gently raise front of the motor a bit, which drops the gearbox down a tad.

If you havent got the official tool, here is a great cheap workaround, from the local shop
and use the heat one freeze one method to get the new back in.

http://www.alfabb.com/bb/forums/spider-1966-up/26835-trans-mount.html#post227929

very important is the mount needs to be inserted in correct position, thus:
http://www.alfabb.com/bb/forums/gearbox-transaxle-differential-propshaft/109099-transmission-mount-configuration-84-spider.html
 
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