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March 07, 2021, 02:05:43 AM

Idiots guide to an engine swap?

This is a discussion for the topic Idiots guide to an engine swap? on the board Beach Buggy Engine and Exhaust Help.

Author Topic: Idiots guide to an engine swap?  (Read 1052 times)

this user is offline ajp

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on: May 23, 2019, 01:23:17 PM
Hey all,

So the time has come to swap the 1300 for a 1600 in the GP.

I once helped swap a type4 engine in my old bay window, but i’ve never looked at a beetle/buggy before.

My 16yo son will help, with no experience.

We have to do it on the street outside our house!

The tinware and ancillaries need to be swapped across.

Can anyone point me at a foolproof guide please?

Also, any seals, gaskets etc to buy in advance please?

I could really do with getting it done in a day...which did’nt ought to be difficult with a little planning!

Many thanks,
Andy

Ps/ and then I need to go and talk very nicely to Farmer Rob about building something from the 1300 ;-)up :D


this user is offline Manxdavid

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Reply #1 on: May 23, 2019, 02:48:37 PM
What age is the 1300's gearbox? If pre 1968 you'll need to do some grinding to get the 1600 flywheel to fit. If 68 or newer it'll fit fine but you'll need to fit the correct style of clutch pressure plate to your new engine to match the style of release bearing in the gearbox, some pressure plates have a thrust ring, some don't, see pic below. No way of telling what's in there until you get it apart.

Note, a 1300 should have a 180mm clutch and a 1600 should have a larger 200mm one.



« Last Edit: May 23, 2019, 02:56:01 PM by Manxdavid »
Photos printed on genuine ILFORD® paper.

"Ah, Beach Buggies, sure, just a quick cheap way of getting a few more years out of a rusty Beetle. You can throw one together in a weekend." anon.


this user is offline ajp

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Reply #2 on: May 23, 2019, 03:23:34 PM
Thanks very much - not sure of the details right now, but my GP is the yellow one that Snoopy re-built - hopefully he will be able to enlighten me about gearbox spec later ;-)up

Cheers!



this user is offline snoopy

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Reply #3 on: May 23, 2019, 07:12:25 PM
Will have to look in the build photos for the clutch mechanism as I cannot remember.


this user is offline ajp

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Reply #4 on: May 25, 2019, 05:36:40 PM
Thanks guys.

Snoopy’s rebuild thread refers to the gearbox as “long shaft 4 stud 67-72”

The back of the engine looks like this -



And I have one of these -



Does that tell us any more about what might require doing please?

There is I suppose, the small matter of 50 years for someone to have changed something at the gearbox end :-\

Thanks for any advice,
A

Ps/ I should point out the manicured hand in the photo is my wife’s! :D




this user is offline farmer rob

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Reply #5 on: May 25, 2019, 07:51:37 PM
That pressure plate goes with that thrust bearing. So if there is a tube for the thrust bearing to slide on, all is good. I thought you said you had a 1300 engine but that clutch and flywheel are 200mm one's, as on a 1600, so I wonder what size engine you do have  ;D ;D

Rob


this user is offline snoopy

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Reply #6 on: May 25, 2019, 08:16:21 PM
Andy you are safe any flywheel will fit with no need for clearancing the bell housing and you need a post 72 clutch assembly


this user is offline pepsi81

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Reply #7 on: May 25, 2019, 08:28:07 PM

What’s your engine number. Just below the dynamo/oil filler stand .
Paul


this user is offline ajp

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Reply #8 on: May 26, 2019, 06:54:41 AM
Thank guy’s all appreciated ;-)up

It’ll all work out - even if the buggy sits without an engine for a day or two whilst I sort parts - i’ll tell the neighbours someone nicked it!

Rob - yup, 1300 in the buggy now, 1600 pictured going in temporarily so I can ask you nicely to do something more interesting with the old 1300 - didn’t want to take the buggy off the road to sort the motor ;)


this user is offline ajp

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Reply #9 on: June 15, 2019, 03:57:49 PM
Ok, so I’m easily confused!

Not sure which bit(s) I need to change to mate the replacement engine to my gearbox :-\

Gearbox looks like this -



Old engine looks like this -



New engine looks like this -



What do I need to buy/change to get the new engine mated to the existing gearbox please - just can’t quite get my head around it! ???

Many thank,
Andy


this user is offline RandR

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Reply #10 on: June 15, 2019, 05:19:38 PM
Different styles of the same type (without pad) pressure plate. should slide straight in.


this user is offline Dave DND

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Reply #11 on: June 15, 2019, 06:04:50 PM
Different styles of the same type (without pad) pressure plate. should slide straight in.

^^^ WHS   ;-)up
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dave@dndservices.co.uk



this user is offline Manxdavid

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Reply #12 on: June 15, 2019, 07:28:24 PM
What they say^^^

Have you checked the condition of the centre plate for lining thickness etc?
Photos printed on genuine ILFORD® paper.

"Ah, Beach Buggies, sure, just a quick cheap way of getting a few more years out of a rusty Beetle. You can throw one together in a weekend." anon.


this user is offline ajp

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Reply #13 on: June 15, 2019, 09:13:23 PM
Thanks all, that’s good to hear ;-)up

No, not checked centre plate - easy to do?

Cheers!


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Reply #14 on: June 15, 2019, 09:48:43 PM
straight fit, if Rob fitted the clutch there will be no need to check it.