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Scratch/bashing a 702


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Had a nice surprise today. Some photos of the actual B-7000 I knew early in my career. The photos were taken in 1964, 6 years before my time. It was orange with a blue logo. Later it became yellow with white doors withy a blue and black logo. Boy this brings back memories.


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Edited by landman
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Your progress is impressive! I thought I was the only one building this motor a few weeks ago. However, I found your thread and was impressed. I joined modelcarsmag just recently prompted by my urge to get feedback on your (our) 702 WIPs.

landman, would you mind if I post photos of my motor for input/comparison?

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Your progress is impressive! I thought I was the only one building this motor a few weeks ago. However, I found your thread and was impressed. I joined modelcarsmag just recently prompted by my urge to get feedback on your (our) 702 WIPs.

landman, would you mind if I post photos of my motor for input/comparison?

By all means.The more, the merrier.We all can use additional ideas. I am especially curious as hoe you made the exhaust manifolds.

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I'm still working on the block, heads, and valve covers. I was preparing to start scratching out the front water pump housing and was waiting for my membership approval to come through when I saw your progress. Here are some highlights of my progress.

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Coming along nicely,Donovan.What are you using?It almost looks like nailhead engines.

I used two V8s from the custom 70s Chevy van. I plan to build the van with the doghouse off and a visible 292 L6. The V8s were very low detail so it was toss or recycle.

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Edited by Motor maker
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I glued up a scaled down valve cover seal to multiple strips of styrene. I cut and filled them in a staggered manner, removed the patterns and cemented the layers. Then I drilled and filed it to the shape it is now. I'm going to make just one and duplicate it in resin.

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Edited by Motor maker
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Tried turning some three groove pulleys with a drill press and a hobby knife. Someone should buy me a mini lathe.


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Installed the pulleys and the generator bracket.


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Edited by landman
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Tried turning some three groove pulleys with a drill press and a hobby knife. Someone should buy me a mini lathe.Jun%208%2015%204.jpgInstalled the pulleys and the generator bracket.Jun%208%2015%205.jpgJun%208%2015%206.jpg

Wow! WOW!! I wasn't even sure how I was going to proceed with the front of the motor, but I'm doubtful I'd done that before I'd seen it done...

Edited by Motor maker
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First try at a generator.


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Second try with a few mods.


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Tried the masking tape method for the belts. it will work but they'll have to be narrower. Three belts, one for the generator and two for the air compressor.


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Started on the third set of exhaust manifolds. This time with 2.5 mm stock. this should be more accurate.


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Edited by landman
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Nice work on the valve covers Donovan! They match the originals perfectly with the extra dimples that the 409 valve covers don't have.

I kinda lucked out finding a picture of the valve cover seal on eBay and used it. I was going to use the same method as Pat until then. I don't think I've ever cut, trimmed, sanded, filed, etc. as I have on this one motor.

Edited by Motor maker
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