67 Duetto restoration - Page 3 - Alfa Romeo Bulletin Board & Forums
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post #31 of 61 (permalink) Old 04-08-2019, 08:10 AM
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give credit where credit is due...

Quote:
Originally Posted by trahanm View Post
Mark,

... thanks for catching this.

A far as the rear axle straps. I followed what is shown in the parts manual.

Marc
Marc,

Credit for catching the heater door goes to Otteud96, unless he is a 'Mark' as well. As far as the axle straps go, yours look like the (obviously original) ones on my car -shown from a different angle.

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post #32 of 61 (permalink) Old 04-08-2019, 02:06 PM
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Originally Posted by otteud96 View Post
From the picture of the heater box, you have installed the lower section 180 degrees out. The door for the floor heat is supposed to be facing the rear of the car. Also the axle straps should go nto the top of the body , then the aluminiun spacer then the bump stop. I can send some pic if needed. My car is on the way back from a complete restoration. Good luck nice job enjoy the the progress!
You are correct. The straps goes against the body, then the spacer, then the bump stop.

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Originally Posted by trahanm View Post
Mark,

All fixed. Again, thanks for catching this.

A far as the rear axle straps. I followed what is shown in the parts manual.

Marc
Marc, please take another look at the diagram. There is an arrow pointing to the proper location of the spacer and that is between the straps and bump stop.

BTW, there should be two straps on each side, not one. The single part number is for two straps.

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post #33 of 61 (permalink) Old 04-19-2019, 04:14 PM
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I’m shipping you the GTV next, looking goood dad.

A

Current Garage: 18' TRD Pro 4Runner (DD), 13' Ducati Hypermotard (Canyon Express), 74' GTV 2000 (Soon to be Outlaw'd) Work: www.trahanphoto.com
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post #34 of 61 (permalink) Old 04-20-2019, 04:05 PM
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FYI on the floor board were the passenger feet are there is a styrofoam piece that levels the floor upward incline. Good luck
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post #35 of 61 (permalink) Old 04-20-2019, 11:29 PM
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My understanding is that only 2L cranks were nitrided. So a 1600 crank wouldn't have any hardness difference between uncut, 1st undersize or 2nd undersize.

But sure, nitriding any crank after grinding would probably increase its life. As I recall, it cost me ~$100 to have a 2L crank nitrided after grinding - this was ~10 years ago. The cost of nitrogen may have gone up since then.
I chose to increase the life of my crank by doing things back to front to you! I nitrided my crank first, then found it was too big for standard bearings so then it was micro polished back to standard. Bingo! a new crank at standard dimensions.
I thought as soon as you grind a crank to 1st undersize or 2nd undersize etc you have decreased it's life. I guess you mean increase the time it takes you to get to the next under size.
Steve

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post #36 of 61 (permalink) Old 04-29-2019, 09:17 AM Thread Starter
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More progres

Got the chrome back Tuesday last week. Very happy with it. Custom Chrome in Grafton Ohio.

Had all the stainless straightened and polished last year, so just waiting for the other metal parts to come back from the local plater in Detroit.

In trying to finish the rear axle this week I discovered the left and right hand side brake cables are different length.

Also, the machinist I was using did ruin my cylinder head, Somehow they enlarged the bores for the exhaust valve guides when they removed them. So, I now have a replacement head and will search for a new machinist. I recall someone mentioning a possibility in the Detroit area. I want to replace the valve seats and guides as well. Any advice?

Marc
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post #37 of 61 (permalink) Old 04-29-2019, 09:20 AM
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Quote:
Originally Posted by trahanm View Post
Got the chrome back Tuesday last week. Very happy with it. Custom Chrome in Grafton Ohio.

Had all the stainless straightened and polished last year, so just waiting for the other metal parts to come back from the local plater in Detroit.

In trying to finish the rear axle this week I discovered the left and right hand side brake cables are different length.

Also, the machinist I was using did ruin my cylinder head, Somehow they enlarged the bores for the exhaust valve guides when they removed them. So, I now have a replacement head and will search for a new machinist. I recall someone mentioning a possibility in the Detroit area. I want to replace the valve seats and guides as well. Any advice?

Marc
That looks amazing!

1992 Alfa Romeo Spider Veloce, 2017 Alfa Romeo Giulia, 2018 Volkswagen Tiguan SEL Premium
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post #38 of 61 (permalink) Old 04-29-2019, 11:45 AM
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The "backup light" in this pictures is not right for a roundtail. The one in this picture really looks like one for a Junior Z or some other car. The roundtail light should have two holes in it for the screws.


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post #39 of 61 (permalink) Old 04-29-2019, 02:28 PM Thread Starter
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Back up light

You mean like this?

This what the car came with, and the holes in the bumper look factory made.
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post #40 of 61 (permalink) Old 04-29-2019, 04:39 PM
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Quote:
Originally Posted by trahanm View Post
You mean like this?

This what the car came with, and the holes in the bumper look factory made.
That would work with the same mounting holes on the bumper as mine. I like the design of your housing over the ones I have.

Every one of my Reverse Light Housings are like what Osso described with thru holes for mounting and a drain hole. The original Mounting Screws are next to my NOS Housing.

Here's my collection of parts. Two or three of them actually came off of Duettos. The others came off of some Fiat model that used them for front Turn Signal Housings (that's why some have yellow lenses and there's one that's oriented opposite).
I don't remember what model of Fiat I found them on. They were readily available in Southern California in Pick-A-Part salvage yards back in the late 80's.
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post #41 of 61 (permalink) Old 04-29-2019, 05:44 PM
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Quote:
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This what the car came with, and the holes in the bumper look factory made.
Interesting. Most Duetto B.U. light housings that I have seen look like the ones in velocewhippet's photos. The mounting points on the bumper would be at the same locations. But since housings like velocewhippet's take through screws, there are threaded inserts in the bumper. I assume that the studs on your housing require you to mount nuts & washers inside the "U" of the bumper.

Is your Duetto an early model? Perhaps the assemblers on the line complained about having to position little nuts & washers inside the bumper (impossible with the bumper mounted) and Alfa made an engineering change to use screws + inserts instead.

Jay Mackro
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post #42 of 61 (permalink) Old 04-29-2019, 06:02 PM
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you could have the guides made with an over size outer diameter. might be better than getting a new head. looks great
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post #43 of 61 (permalink) Old 04-29-2019, 06:08 PM
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Also I believe that your back up housing isnt alfa use as there is not a drain hole. That housing you have is for a top mount type. Many italian classics used these lights for several applications. Good work!
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post #44 of 61 (permalink) Old 04-30-2019, 05:38 AM Thread Starter
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It is a very early car I believe as it does not have power brakes.

Marc
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post #45 of 61 (permalink) Old 04-30-2019, 06:17 AM
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Here's what the mount on the bumper should look like. There are two nuts welded to the bracket. If that light you have is for a top mounted light, the lens will be upside down when mounted on the roundtail bumper.

The replacement lens sold by all of the vendors is also wrong as it mounts up side down. I wish Franjo would make the proper lens.
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