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> Another 914-6 GT Tribute Project
Tom1394racing
post Nov 9 2023, 09:40 AM
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Another update...I checked the P/N on my rotors and found that I am using the SWB 911 version of the solid rotor (P/N 901-352-401-10). I was advised that the LWB version of the solid rotor (P/N 901-352-4-1-17) for the '69T and 912 would work. I am guessing that this rotor has the same offset as the 914-6 and is very different that the SWB rotors I have now. I do not have one of these in my stash to check.
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Tom1394racing
post Nov 9 2023, 11:03 AM
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QUOTE(Tom1394racing @ Nov 9 2023, 09:51 AM) *

Luke and Rory

Thanks for chiming in. I was aware the solid rotors needed to be turned down 3 mm. I did that to these rotors. I did not realize that the 914-6 rotors had a different offset as compared to the 911 rotors.

The 911 solid rotors I am using have an offset distance (from the inside mount face to the inside friction surface) of around 62 mm.



Luke or Rory....If either of you could check the offset on your 914-6 rotors, that would be most helpful.


Rory measured the offset on a 914-6 rotor. He got 73 mm which is about 11 mm deeper than the 911 SWB rotor I have. That is about the thickness of the mount flange on the trailing arm so I think my mystery is solved. I believe the 911 LWB solid rotor has the same offset and will work for me once I trim 3 mm off the OD.

My mistake...I bought the wrong rotors.
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Tom1394racing
post Nov 10 2023, 07:09 AM
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Having solved the mystery with my rear brake rotors, I went on the complete the rear suspension minus the brakes.

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So now I need a pair of non-vented rear brake rotors. I think either the 914-6 rotors or the '69 911T or 912 rotors will work. I think the 911T/912 rotors will need to be reduced in OD by 3 mm. What is the difference between these and the 914-6 rotors?

Anyone have a NOS pair to sell?
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mskala
post Nov 10 2023, 07:37 AM
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Hi Tom, I have a new pair (but need to doublecheck tonight that they are true 914-6). Do you ever get near north of boston? These are heavy to ship
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mepstein
post Nov 10 2023, 08:02 AM
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QUOTE(Tom1394racing @ Nov 10 2023, 08:09 AM) *

Having solved the mystery with my rear brake rotors, I went on the complete the rear suspension minus the brakes.

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So now I need a pair of non-vented rear brake rotors. I think either the 914-6 rotors or the '69 911T or 912 rotors will work. I think the 911T/912 rotors will need to be reduced in OD by 3 mm. What is the difference between these and the 914-6 rotors?

Anyone have a NOS pair to sell?

I got my 911T/912 rotors at flaps. Advanced auto. They are owned by Worldpac so they can order most anything. These days you can order online as well.
I don’t believe 914-6 rotors have provisions for the 911 ebrake. That’s more of an Eric Shea question than for me. Mine actually fit right out of the box but it had 2mm taken off just in case they expanded when hot.
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Tom1394racing
post Nov 10 2023, 08:04 AM
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QUOTE(mskala @ Nov 10 2023, 08:37 AM) *

Hi Tom, I have a new pair (but need to doublecheck tonight that they are true 914-6). Do you ever get near north of boston? These are heavy to ship


Hi Mark

Thanks for your reply. It seems like these are available new retail at around $100 each plus shipping. Much less than the '69T rotors. I am not sure what the differences are between the two types. I could be a buyer if they will work for my application.
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rgalla9146
post Nov 10 2023, 10:27 AM
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OEM 6 rear rotor no provision for ebrake shoes.
Sorry Tom, no spares to sell.


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Tom1394racing
post Nov 12 2023, 01:23 PM
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As luck would have it, I was up in the Boston area this weekend visiting family and was able to meet up with Mark. He sold me a nice NOS set of 914-6 rear rotors that fit my hubs, calipers and trailing arms perfectly.

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I will clean this up, reinstall, torque down the suspension and move forward.

Thanks for all the help and suggestions!
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sixnotfour
post Nov 12 2023, 02:14 PM
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dust shield bracket ... thickness ...missing
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Tom1394racing
post Nov 12 2023, 07:23 PM
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QUOTE(sixnotfour @ Nov 12 2023, 03:14 PM) *

dust shield bracket ... thickness ...missing


Yeah...I am not planning to run the dust shields, but I will see if the brackets make a difference in centering the calipers on the rotors.

Thanks
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Tom1394racing
post Dec 1 2023, 08:33 AM
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I figured out my rear brakes and got the spacing correct with thin washers instead of the dust shields. Fitted a set of SWB 911 drilled pads to the LHS but the RHS inner caliper piston needed adjustment to slip the new pad in. As luck would have it, no inner adjuster gear in the caliper. PMB did the brakes. Called them, no explanation why, but they are sending me near gears.

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Tom1394racing
post Dec 1 2023, 08:45 AM
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In the meantime, my corrected, new 914-6 wiring harness came back from Restoration Design. Thanks to Peter who corrected it for the front dual fuel pumps and had it back to me in less than 2 weeks. I am very happy with the quality and workmanship on this harness. The installation YouTube video made it a breeze. I am in the process of finalizing the exact placement especially in the front trunk where the original wire routing will clash with the oil cooling system.

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Cairo94507
post Dec 1 2023, 08:50 AM
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Outstanding progress; that is going to be so beautiful. (IMG:style_emoticons/default/beerchug.gif)
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Tom1394racing
post Dec 1 2023, 08:52 AM
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More wiring pics. It seems like every factory GT did things a little differently with regards to the front trunk wiring.

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campbellcj
post Dec 1 2023, 04:59 PM
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Looking great, I love the color and feel like I need a bright green car in the stable.
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pfreiburger
post Dec 2 2023, 10:23 PM
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Wow, paint looks beautiful, you are doing a first class job! I also love the color, perfect for a -6.
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Front yard mechanic
post Dec 3 2023, 06:41 AM
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Sweet ! really like the car without seam foam sprayed all over the place. Supper (IMG:style_emoticons/default/first.gif)
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mepstein
post Dec 3 2023, 08:40 AM
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Tom - did you use seam sealer on the car or are you leaving it bare?
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Tom1394racing
post Dec 5 2023, 07:20 AM
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QUOTE(mepstein @ Dec 3 2023, 09:40 AM) *

Tom - did you use seam sealer on the car or are you leaving it bare?


That is a good question...I don't believe that Auto Associates used any seam sealer. I will confirm that with them. There is a very light undercoating on the bottom and in the rear of the wheel wells.
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mepstein
post Dec 5 2023, 07:51 AM
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QUOTE(Tom1394racing @ Dec 5 2023, 08:20 AM) *

QUOTE(mepstein @ Dec 3 2023, 09:40 AM) *

Tom - did you use seam sealer on the car or are you leaving it bare?


That is a good question...I don't believe that Auto Associates used any seam sealer. I will confirm that with them. There is a very light undercoating on the bottom and in the rear of the wheel wells.

I was wondering the need for it on an e-coated car. I haven’t decided yet.
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