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Author: Subject:  Gearbox Grind Out... Help!!
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posted on August 21st, 2014 at 06:52 PM
Gearbox Grind Out... Help!!


Just need some guidance and help on how to grind out my gearbox!!
I'm putting a later model 1776 engine in my 1966 Beetle (standard - 1300).
I need as much help as i can get!!
I don't want to grind too far!!
Plenty of people have done it...
Cheers
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posted on August 21st, 2014 at 07:29 PM



Just put the engine in and turn it over by hand at the pulley with a bar and socket as you tighten up the four bolts gradually. (Keep it square to the box)

The teeth on the flywheel will cut it easy.

Once the bolts have gone tight, remove engine and grind a little more off for clearance.

Don't be scared, it's fairly simple

Some pics here....

http://forums.aussieveedubbers.com/viewtopic.php?tid=38560&page=10 
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posted on August 21st, 2014 at 07:42 PM



I've been told thats a dodgy way of doing it, but if you have done it?
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posted on August 21st, 2014 at 08:15 PM



It's the most accurate cause it's cut with what's going in there.

It actually cuts it with a very nice finish

Yep done it too many times
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posted on August 21st, 2014 at 08:19 PM



Ok. Thanks for the help.
I'll probably post pics when done...
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posted on August 21st, 2014 at 08:28 PM



Yeah post pics, always nice to hear the end results...forum needs more of that

be easiest to turn over if you took the spark plugs out

Just take care near the starter bush. You will need to source an "adapter" bush to run a 12 volt starter in there too

Check your pressure plate is correct for the early thrust bearing as well

Change the input shaft seal if it needs doing while the engine is out too
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posted on August 21st, 2014 at 08:31 PM



Done the bush. The starter motor is in. The problem now is what to do with the 6V cold start relay...
Do you care if i post pics of the inside of my gearbox, and the pressure plate and get you to see if it will match??
You obviously have the experience...!!!
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posted on August 21st, 2014 at 08:33 PM



or you can use a factory vw 180mm 12v flywheel,,You may need to look at getting a custom 180mm pressure plate if you plan on making decent power.I've got quite a few if you want to go that route and can't find one local,cheers
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posted on August 21st, 2014 at 08:37 PM



Ha hah was wondering if you still had them in stock col

pics are great!
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posted on August 21st, 2014 at 08:38 PM



Col, is it the flywheels or pressure plates you have?
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posted on August 21st, 2014 at 08:57 PM



Quote:
Originally posted by adlbeetle66
The flywheels or the pressure plates?

flywheels,they came on the 71?and later 1300std bugs,what yours had orinally,and use a1200/40horse pp and disc but depending on the box you may need to fit a running ring to the pp if its a lage box/throwout bearing.
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posted on August 21st, 2014 at 08:59 PM



But is that gonna suit my 12 v starter?
Because i have a 6 volt engine that i took out, but i cant use that flywheel because ive now converted to 12v, and the teeth spacing is different...

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posted on August 24th, 2014 at 09:36 PM



Quote:
Originally posted by hellbugged
It's the most accurate cause it's cut with what's going in there.

It actually cuts it with a very nice finish

Yep done it too many times


Thats how i did it with no internet or any vw resources back in the day. Worked a treat!




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posted on August 27th, 2014 at 07:59 AM



Quote:
Originally posted by hellbugged
Just put the engine in and turn it over by hand at the pulley with a bar and socket as you tighten up the four bolts gradually. (Keep it square to the box)

The teeth on the flywheel will cut it easy.

Once the bolts have gone tight, remove engine and grind a little more off for clearance.

Don't be scared, it's fairly simple

Some pics here....

http://forums.aussieveedubbers.com/viewtopic.php?tid=38560&page=10 



What do you grind it out further with?
Anything else you have to be aware of?
(shaft, T O bearing)
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posted on August 27th, 2014 at 10:43 AM



the 70s 1300 flywheels with 180mm clutch just use regular 12 volt ring gear.

How come you're sticking with the 1200/1300 gearbox?
that is going to be awful on the highway with a 1776 and doing those sort of revs you if you have your original non vented decklid you are going to get heat issues, (stand offs or holes behind the number plate fix that)

If you have a hard start relay you can just swap it out for a 12 volt relay, any 30-40amp relay will do the job.
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posted on August 27th, 2014 at 12:11 PM



Carbide burr or emery flapper wheel

Check your engine mounts too, change them if need be.

I think what col has would be an oring centre flywheel (so suit your later crank) with 180mm clutch but 6volt ring gear.

Anyhow, you've hot the hang of posting pics, so add them to here or your members ridè thread as you go
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posted on August 27th, 2014 at 04:15 PM



Here is my flywheel...

I have a 12 v starter, and my whole car is now 12 v.

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posted on August 27th, 2014 at 06:24 PM



Cool
Any pics of the pressure plate you are going to use?
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posted on August 27th, 2014 at 06:32 PM



Here...

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posted on August 27th, 2014 at 07:11 PM



Yeah ok

That's incorrect for your current thrust bearing. :(

You will need a center ring added to that pressure plate
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posted on August 27th, 2014 at 08:15 PM



And you need to check the crank and flywheel are compatible, you may have a 6 volt crank that will require a machining mod to the crank.



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posted on August 28th, 2014 at 03:52 PM



Quote:
Originally posted by hellbugged
Yeah ok

That's incorrect for your current thrust bearing. :(

You will need a center ring added to that pressure plate


Thanks for that. Can you PM me or upload a pic of an example that i need to follow please?
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posted on August 28th, 2014 at 04:52 PM



Hi

Be careful with filings they can catch fire easily and they are magnesium so water wont put them out.

I fitted a 228 flywheel in to my late single side plate box years ago, it just nipped up when the motor was fully tightened after I thought I had done enough clearing, so I backed of the motor bolts and then started the motor and did the bolts up a bit at a time, rough but it worked.Steve
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posted on August 30th, 2014 at 08:15 AM



info here.......

http://shoptalkforums.com/viewtopic.php?f=11&t=117066&hilit=pressure+...
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posted on August 30th, 2014 at 08:21 AM



Thanx. Will take a look later on.
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posted on October 3rd, 2014 at 03:38 PM



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