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Posted by: porbmw Nov 19 2013, 09:53 AM

I am on the hunt for a clean, no paint overspray fresh air box....

For a 1970

Are early and later...or for that matter...are ALL boxes the same.

I do know that later ones...eg....74s....had a rubber gasket installed, that fit at the top of the box, to press against the cowl. Don't know if that gasket caused and sizing differences, would doubt it and would expect it just caused minor adjustment difference.

Apart from existence of the gasket....any other differences....?

Thanks

Paul

Posted by: 914werke Nov 19 2013, 11:11 AM

none that Ive ever recognized.

Posted by: DEC Nov 19 2013, 12:35 PM

The E-engine holder is made of metal at early ones later one are made of plastic
The electrical wiring between early and later ones are a bit different
The on top seal is all the same but at one time they changed it to a seal
with a foliage grid

Hope that helps

Posted by: DEC Nov 19 2013, 12:52 PM

Take a look at 10:35 in the first vid.

Sorry it is in German but you can hear the difference

The seal kit is from Mark (Mickey914 / 914rubber.com)
My fresh air box rebuild part 1

https://www.youtube.com/watch?v=V7eGCuhq-_Q


reassemble part 2+3

https://www.youtube.com/watch?v=-p3lokpkeIQ

Posted by: gothspeed Nov 19 2013, 01:37 PM

QUOTE(DEC @ Nov 19 2013, 10:52 AM)

Posted by: Mikey914 Nov 20 2013, 12:28 AM

QUOTE(gothspeed @ Nov 19 2013, 11:37 AM)

QUOTE(DEC @ Nov 19 2013, 10:52 AM)

Take a look at 10:35 in the first vid.

Sorry it is in German but you can hear the difference

The seal kit is from Mark (Mickey914 / 914rubber.com)

So Mark sells the complete seal kit? does it include the foam between metal 'butterfly' flaps?

Posted by: porbmw Nov 20 2013, 01:44 AM

QUOTE(Mikey914 @ Nov 19 2013, 10:28 PM)

QUOTE(gothspeed @ Nov 19 2013, 11:37 AM)

QUOTE(DEC @ Nov 19 2013, 10:52 AM)

Take a look at 10:35 in the first vid.

Sorry it is in German but you can hear the difference

The seal kit is from Mark (Mickey914 / 914rubber.com)

So Mark sells the complete seal kit? does it include the foam between metal 'butterfly' flaps?

Yes it does.

Posted by: gothspeed Nov 20 2013, 07:06 AM

QUOTE(Mikey914 @ Nov 19 2013, 10:28 PM)

QUOTE(gothspeed @ Nov 19 2013, 11:37 AM)

QUOTE(DEC @ Nov 19 2013, 10:52 AM)

Take a look at 10:35 in the first vid.

Sorry it is in German but you can hear the difference

The seal kit is from Mark (Mickey914 / 914rubber.com)

So Mark sells the complete seal kit? does it include the foam between metal 'butterfly' flaps?

Yes it does.