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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#16  PostPosted: Mon Jun 06, 2011 8:35 pm 
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Today was frame chop day!

Notched out the fuel tank cross-member to clear the back of the blower and removed the front engine mounting tags:

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Cross-member now looks like this:

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Cleaned up and modified the previously removed frame lugs, then re-welded them vertically below the frame tube:

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The blower will now pass between the frame rails and could even be installed from the top. There would now be no need to grind lumps out of the blower. A bit late for the one I have!

Next up ....building all the good bits into this frame.

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#17  PostPosted: Thu Jun 16, 2011 11:56 am 
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The Belts arrived today finally. Thanks to a screw up by Amazon which cost them another set and overnight shipping. So belts fitted I decided to pop the engine back!:

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Centre stand, swinging arm and frame areas around where the battery spill has new paint. Tank cleaned up inside and new paint on the outside. Rear brake gone through and rear end back together:

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More later

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#18  PostPosted: Thu Jun 16, 2011 1:12 pm 
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You are flying along with this project. It's looking good.

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#19  PostPosted: Thu Jun 16, 2011 2:23 pm 
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Thanks. I have to get on with it as we will be moving off in the middle of July. Tight schedule! Besides that I want to have it "useable" at motogp weekend at Laguna.

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#20  PostPosted: Wed Jun 22, 2011 2:01 pm 
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Time for an update. Progress has bee very slow of late due to suppliers, the heat and an unbelievable amount of time spent on paint incompatibility!

Water pipes on!:

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Tank shelter all parts removed and sprayed. Had to cut this earlier to accommodate the Weber carburettor:

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I decided to use up the rusted headlamp, ears and mudguards (fenders) by painting them to match the engine. This is a mistake! Engine enamel is only good for ! thing....engines! The solvent base is non-compatible with most others and the high solids content makes it easy to get weird effects in the finish. I could not find a good match for the engine colour so decided to persevere.

Headlamp bucket and ears back on (ignore the bars they are there to support the master cylinder for the brake overhaul):

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After almost completely ruining a side cover with paint stripper, I managed to resurrect it with sanding and settled on this colour for the plastics:

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The front mudguard (fender) had to be cut down to miss the pusher fan which is attached to the front of the radiator. It looked front heavy so the front was chopped a bit to even it out. More engine paint!

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More to come................soon I hope!

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#21  PostPosted: Sat Jun 25, 2011 4:27 pm 
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Time for a mini update:

Tires, handlebars and blower parts arrived so things could move on a pace.
Decided to give the Magnusson MC60 a makeover as the years had taken their toll on the black anodising. A quick buff of the aluminium then a tedious masking session:

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2 coats of engine paint followed by the unmasking (almost as tedious) and its ready for the front cover with its new bearing, seal and gasket:

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With the frame modifications done earlier, the blower will suspend nicely on 2 straps between the frame rails. The manifold can be bolted up much easier now:

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The whole process took only a couple of minute to bolt up:

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Valves done, covers on. New bars on, cables on. Filter and adaptor on. Font tire on and some of the wiring re-connected. Starting to look like a bike again:

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More soon as the clock is ticking!

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#22  PostPosted: Sat Jun 25, 2011 9:44 pm 
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Coming along nicely, ty for the updates and nice pictures. This is a complicated build, so nice to see the details you are providing.

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#23  PostPosted: Tue Jun 28, 2011 12:24 pm 
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Had the weekend off!

The combined instrument arrived so I just had to get it mounted and see what it looked like:

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Cropped the rear fender down and fitted it to see what it would look like......still not sure:

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More soon.

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#24  PostPosted: Tue Jun 28, 2011 7:10 pm 
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Looking good, I agree the rear fender does not look quite correct. The bars are radical, and the instruments look a bit high vs the low bars but I see little alternative. The instruments themself look great.

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#25  PostPosted: Tue Jun 28, 2011 7:43 pm 
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Nice! I really like your cluster! What kind is it and where did you get it?

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#26  PostPosted: Tue Jun 28, 2011 9:26 pm 
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Fred Camper wrote:
Looking good, I agree the rear fender does not look quite correct. The bars are radical, and the instruments look a bit high vs the low bars but I see little alternative. The instruments themself look great.


Yeah I could have lowered the instrument but it would have meant moving the ignition switch which is difficult without opening the harness. And then where do you put it?! I was going to put some paint on the fender to see if it looked any better but got busy with other parts of the project! The fender is just long enough to get in a small led rear lamp and still fit a regular seat for those 2 up trips!

The instrument is from the Acewell range. It has all the usual features, tach, speedo, indicator lamps etc, but this one does fuel and temp as well. Gone the 7v regulator! The hole in the garage shelter will have the boost pressure gauge in it. The wiring looks pretty straightforward so it shouldn't be to long now.

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#27  PostPosted: Tue Jun 28, 2011 9:39 pm 
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A Pita, but I do see the ignition moved under the tank shelter but that is lots of wiring. So you are a better man than I if you move the ignition. I do think the rear fender will improve if painted and lighted, so do consider that.

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#28  PostPosted: Wed Jun 29, 2011 12:16 pm 
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Busy day yesterday...........

New rear tyre and balance, sanded rear disc clean, changed rear brake fluid again and got all the air out Changed rear drive oil and replaced wheel. Then got stuck into the carb/supercharger:

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Put the shed back on and wired it all back up. Figured out a way to tune the fuel gauge sender for the Acewell gauge. I wonder if any of this stuff will work?:

Image

cooler and windy here today so could be the day to repair the Kerker exhaust

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1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#29  PostPosted: Wed Jun 29, 2011 1:40 pm 
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Awesome job so far! So what make & color (#?) paint is that for the plastic side covers (The silver paint)? And I noticed that instead of taping the magnacharger to paint it red you could have painted it and while it was still wet take a rag dampened with thinner to remove the paint in the portions you didn't want to be painted. This would also give that magnacharger stamp a more contrasting look (so you could read it easier and from farther away). Another input, you could reposition that existing switch and then drop the multi-gauge you got there in front of the bars or on top of the bar bracket. Just throwing some more ideas your way. Really impressed with the talent and speed at which you're doing this. It's going to be a mean machine that's for sure. BTW have you looked into swapping out the old voltage regulator and resistor pack with a newer reg/rectifier people are using that come from Yahama R6 and R1s? FH0008 or FH0012, I think? It'll make your electrical system more efficient and you can drop two electronics for one. Also, how would the DMV prevent you from using the '77 engine?

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 Post subject: Re: Yet another 1976 Supercharger project
Post Number:#30  PostPosted: Wed Jun 29, 2011 5:10 pm 
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Jdept wrote:
Awesome job so far! So what make & color (#?) paint is that for the plastic side covers (The silver paint)? And I noticed that instead of taping the magnacharger to paint it red you could have painted it and while it was still wet take a rag dampened with thinner to remove the paint in the portions you didn't want to be painted. This would also give that magnacharger stamp a more contrasting look (so you could read it easier and from farther away). Another input, you could reposition that existing switch and then drop the multi-gauge you got there in front of the bars or on top of the bar bracket. Just throwing some more ideas your way. Really impressed with the talent and speed at which you're doing this. It's going to be a mean machine that's for sure. BTW have you looked into swapping out the old voltage regulator and resistor pack with a newer reg/rectifier people are using that come from Yahama R6 and R1s? FH0008 or FH0012, I think? It'll make your electrical system more efficient and you can drop two electronics for one. Also, how would the DMV prevent you from using the '77 engine?


Thanks for the input.Its good to get feedback!
You have to bear in mind that this is being done in the back of an RV (albeit a large one) so I don't have the painting choices open to most. It has to be done with rattle cans so that somewhat limiting! The silver is a Rustoleum product called titanium silver from their universal range. These come with a very good spray nozzle which covers like a real spray gun.
The technique you suggested for the supercharger I used on the badges for the valve covers and it worked well on them. The Chevy red-orange engine paint is not the easiest to work with on intricate stuff so went with the masking of the supercharger instead just in case I screwed up!
I am not 100% happy with the dash layout, but it will do for now. In the next re-do there are several thing I will do differently and a few things I will alter.
With regard to the regulator I won't need one. The Acewell instrument just requires the fuel gauge sender connecting and the temp sensor that comes with it installing (small engineering job there). All the voltage functions are there in the instrument.

The '77 engine frame. As a visitor here all my vehicles are tagged in Fl as it is the most convenient for us. The 77 bike I bought was without title and presumed out of the CA system. To transfer the title to a Fl tag I need a valid title from another state. On checking with the dmv here in Ca we found out it was still in the system and there were back dues on it. No fee no replacement title which the dmv person wasn't sure if we could get one anyway not being a Ca resident! Usual crap! While this was all going on I built the supercharger onto the '77 bike as seen in the video at the start of this thread. I decided to look for another bike and found a '76 with a frozen engine and a spare '78 engine, but it had paperwork which was good and is now tagged in Fl. Out of curiosity I decided to tear down the frozen motor and subsequently re-built it. I hadn't been inside one of these engines since 1977ish and I also thought that knowing what you have should be better than a potentially unknown motor especially with the supercharger addition. So there you have it. The '77 engine could have been installed in the '76 frame and the documents updated. The '77 could be re-built and tagged in Ca if you want to pay the fees. Bottom line I ended up with 3 non-frozen engines and enough parts to 95% build another bike. Maybe later!

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1975 GL1000 Sold!
1976 GL1000 "GL1's evil twin" Supercharged cafe racer. Build thread Here
Now in Florida working for a living Ugh!.....projects on hold mostly!

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