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-   -   Front strut caliper spacing (http://forums.pelicanparts.com/porsche-911-technical-forum/999939-front-strut-caliper-spacing.html)

Harpo 06-18-2018 05:02 PM
Front strut caliper spacing
 
Sorry, I know this has been covered before

What year did caliper spacing change from 3.0 to 3.5in?

Thanks

David

mepstein 06-18-2018 05:48 PM
:-)

Flat6pac 06-18-2018 05:49 PM
The early S brakes on 69/70 were already on 3.5 spacing. If you ordered Koni struts and shocks you automatically got aluminum calipers.
That’s part of the answer...
Bruce

Harpo 06-19-2018 02:34 AM
What spacing would a 74 have?

Thanks

David

Bill Verburg 06-19-2018 03:37 AM
Quote:
Originally Posted by Harpo (Post 10078249)
What spacing would a 74 have?

Thanks

David
Most would have had 3" M calipers all around
Only Carrera would have 3.5" as a base front

bkreigsr 06-20-2018 08:11 AM
In case anyone is using this thread for reference, my 76 912E (Euro ordered, Euro delivery) came with 3.5" spacing with steel calipers over non-vented rotors.
I think only the later production numbers (2000-2099) came with these struts.

Bill K

Bill Verburg 06-20-2018 12:11 PM
Quote:
Originally Posted by bkreigsr (Post 10079705)
In case anyone is using this thread for reference, my 76 912E (Euro ordered, Euro delivery) came with 3.5" spacing with steel calipers over non-vented rotors.
I think only the later production numbers (2000-2099) came with these struts.

Bill K
The op asked about MY74 911

MY75 was the same as '74

MY76 saw the introduction of the 3.5" mount A caliper on all models except the 930 which retained the S until MY78

I'm surprised that 914 got the A's in '76 too


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