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  #646  
Old January 18th 2011, 16:24
MX67 MX67 is offline
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Speaking of oil feed tube...

Wally, sorry if you've put that info somewhere, but which oil do you use in your engine?

I'm asking because there's much debate going on about zinc levels in modern oils. I'm reading some ricer forums and they're speaking about Brad Penn grade 1 20w50 as the best choice. Jake Raby also prefers that oil. Maybe we should make "oil thread" on GL...
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  #647  
Old January 18th 2011, 16:55
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Quote:
Originally Posted by MX67 View Post
Speaking of oil feed tube...

Wally, sorry if you've put that info somewhere, but which oil do you use in your engine?

I'm asking because there's much debate going on about zinc levels in modern oils. I'm reading some ricer forums and they're speaking about Brad Penn grade 1 20w50 as the best choice. Jake Raby also prefers that oil. Maybe we should make "oil thread" on GL...
I fully agree on the Brad Penn 20W50 as I also run the GT1 'racing green' in the engine. Its still called Kendall here though

But please not another oil thread... enough of those already.
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  #648  
Old January 19th 2011, 12:59
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Sandeep Sandeep is offline
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Hi Walter,

I noticed a fitting on your sump extension ... I know which DS pump you are running so am guessing that this is the return for your turbo ? If not, what is it for ? Are you still using the Tilton scavenging pump ?

I'm trying to eliminate as many support systems as I can in my build right now, and this looks like a great solution for the turbo drain ... considering the 38mm scavenge circuit in the DS pump.

Unfortunately, I also have to upgrade the DS pump feed from a -8AN (12.7mm ID) to either a -10 (.625" / ~15.9mm ID) or even a -12 (.69" / ~ 17.5mm ID). More fittings .... more hose

Sandeep
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  #649  
Old January 19th 2011, 13:55
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Quote:
Originally Posted by Sandeep View Post
and this looks like a great solution for the turbo drain ...
Of course

Its a -12 hose I use, same as I use for DS pump feed from the front trunk. Better safe then sorry. I bought the Tilton, but have still never even used it...


Just today I did some work making the wastegate feed tubes from both pipes and still keeping them separate. Hope to have some updates at the weekend.

Last edited by Wally; January 22nd 2011 at 13:48.
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  #650  
Old January 22nd 2011, 13:50
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Very happy with the progress from today.







Only downpipe + silencer to sort, but the silencer from ebay still needs to arrive...
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  #651  
Old January 22nd 2011, 15:52
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Xellex Xellex is offline
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excuse me if I got it wrong, but is the waste-gate gonna have it's own silencer to the left, and the main silencer is going in the old position? Couldnt the WG dump in the same exhaust pipe?
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  #652  
Old January 22nd 2011, 16:38
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Originally Posted by Xellex View Post
excuse me if I got it wrong, but is the waste-gate gonna have it's own silencer to the left, and the main silencer is going in the old position?
Yep, each its own silencer.
Quote:
Couldnt the WG dump in the same exhaust pipe?
Yes, could, but (most important in my case) that would probably be too loud as the exhaust silencer will be 3,5" and the wastegate doesn't have the turbo as a "pre-silencer". Most tracks get really difficult with noise levels...
Its also better to keep it seperate for the least possible backpressure in the downpipe.
Lastly, there was probaby going to be possible ground clearence problems routing it back into the downpipe exhaust.
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  #653  
Old January 23rd 2011, 06:41
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Wally Wally is offline
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First start up after too long a time:

http://www.youtube.com/watch?v=_wk-2XcIbx0
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  #654  
Old January 23rd 2011, 09:08
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Bad bug Bad bug is offline
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Oh! hell the beast is back. More vids wally. Ah! just a question, how much horsepower do you intend to make this time?
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  #655  
Old January 23rd 2011, 09:12
70Turbobug 70Turbobug is offline
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Nice job Wally! I´m anxiuos to see what it does on the track and dyno!
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  #656  
Old January 23rd 2011, 22:42
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Very nice Wally!
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  #657  
Old January 24th 2011, 04:24
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looking/sounding good
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  #658  
Old January 24th 2011, 08:51
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NO_H2O NO_H2O is offline
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Good to se that she has a pulse once again. Nice work.
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  #659  
Old January 24th 2011, 15:50
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Wally Wally is offline
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Tnx guys! Just a new lambda bung and the big turbo silencer and I can drive again

Quote:
Originally Posted by Bad bug View Post
Ah! just a question, how much horsepower do you intend to make this time?
No intentions really. I hope the same or a little more at less boost. No telling really. I am more interested in how much further boost threshold will be. Or my own benchmark: at what rpm 15 psi will be reached. All logic says about 1000 rpm further on. Anything less will be a bonus and/or to be adressed to the TS

Interesting will also be how the heavier CB 650 valvesprings will go along with my stock 'non-straight-cut' cam gear and stock single thrust cam bearing...
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  #660  
Old January 25th 2011, 12:09
Steve Arndt Steve Arndt is offline
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Do you have a spring scale? I am interested in your old and new spring data. (install height, poundage)
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