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1970 Bug Mid Engine - Assembly Time (Auto-x videos posted)

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Old 07-25-2017 | 09:32 PM
  #281  
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Originally Posted by 70 Bug Mid Engine
20 miles in to it, it still runs. Bad news is that its low on boost and there isnt much I can do. Already have the smallest pulley on the blower. Need to do some searching and see if I can get an oversized balancer instead. Or.... a bigger blower. Currently hitting 9 psi when I was shooting for 15 psi. I still think it runs better then the last engine with 11-12 psi. 2:30 mark is the good stuff.
Just looked back through the thread to refresh my memory, doesn't seem like you changed much that would've affected boost like that. Any idea why it's making that much less boost?

Regardless, good to see it back on the road!
Old 07-25-2017 | 10:47 PM
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Wayne and Russ - thanks its a blast.

AAIIIC - I bumped the displacement by .1L. Or about .085" in the bore size. I have a feeling thats part of the reason. Belt slip might be another.
Old 07-28-2017 | 05:43 PM
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I think I found the solution to the boost issue.

Old 07-28-2017 | 07:08 PM
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Originally Posted by 70 Bug Mid Engine
I think I found the solution to the boost issue.

That looks like a fancy turbo...oil and water cooled? Garrett?

Andrew
Old 07-28-2017 | 07:22 PM
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Originally Posted by Project GatTagO
That looks like a fancy turbo...oil and water cooled? Garrett?

Andrew
Yes, yes and yes. Even has a billet wheel! It was a custom build using mostly all Garrett stuff.

Old 02-21-2018 | 07:20 PM
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Hey guys. Im still alive and kicking over here. Just dont log in much anymore. Bug is doing good. Got lots done since the last update. Sadly, the blower is still on it. No plans for the turbo just yet. Here is a picture from the last race to help all you get caught up.

Old 02-23-2018 | 01:21 PM
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And some videos





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