Cb450/500t track bike

deepwaterimports

Over 1,000 Posts
Image1631786593.711049.jpg


Hubs came up a treat and pads look brand new after a soda blast. Also ceramic coat looks good on the pipes too. Pic to follow.


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deepwaterimports

Over 1,000 Posts
Ceramic coated gear came back a treat. Miscellaneous bits ready to go to platters before pics.
Image1633221175.712362.jpg
Image1633221185.148126.jpg
Image1633221196.094501.jpg


I’ll be sorting out the fiberglass on fairing tomorrow then off to paint with the tank seat and forks.


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Last edited:

teazer

Over 10,000 Posts
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It could be an optical illusion, but it looks like the valves are pocketed (ie sunk into the head). That's often needed for high lift cams, but it's important to blend the seats to improve gas flow. The head is really clean but looks like some of the gasket is still stuck there. Better to clean that off.

And last thing: The pistons appear to have an angled squish band which is good. Do the squish bands in the head match the angles (plus 1-2 degrees) or are the "flat"? I can't tell from the pictures. Typically, aftermarket pistons have a flat squish and heads are machined to match, but angled squish is better on both and the head angle should be slightly more than the piston angle.

It's coming on nicely though. How is the GT750 running now?
 

deepwaterimports

Over 1,000 Posts
It could be an optical illusion, but it looks like the valves are pocketed (ie sunk into the head). That's often needed for high lift cams, but it's important to blend the seats to improve gas flow. The head is really clean but looks like some of the gasket is still stuck there. Better to clean that off.

And last thing: The pistons appear to have an angled squish band which is good. Do the squish bands in the head match the angles (plus 1-2 degrees) or are the "flat"? I can't tell from the pictures. Typically, aftermarket pistons have a flat squish and heads are machined to match, but angled squish is better on both and the head angle should be slightly more than the piston angle.

It's coming on nicely though. How is the GT750 running now?

I’ll double check the head mate cheers. Unsure about the pistons my good mate is an engine builder and he is looking after the freshen up I’m just the nuisance in the road.

The gt is running so good, brakes better then my 86 gsxr and every time I throw a leg over I can’t stop smiling.


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doc_rot

Oh the usual... I bowl, I drive around...
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Zinc plated fasteners look nice.
unrelated, but I dig your garage, not the biggest but I really like the giant windows and the brick archways with the rollup doors. Im accustomed to working in dungeons with no natural light.
 

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