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Old 04-12-2018, 04:10 PM   #1
HandOverFist
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Default Re: Nova stocker project.

Went to a Coan TH350 w/low gearset last year. I've not noticed a performance difference between the two, but I sure am liking the durability of the TH350 so far.
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Old 11-19-2019, 11:35 AM   #2
Alan Nyhus
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Default Re: Nova stocker project.

Probably time for an update.

Went -.89 under twice this season (Earlville, Iowa and Kearney, Ne.) and -.88 under at Rock Falls, Wi. Camshaft had some hurt lobes when it came apart so Matt Steen and Jason Verke at Victory Engines are once again rubbing on stuff. We'll go back to the dyno after the pieces get back and are reassembled.





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Last edited by Alan Nyhus; 04-16-2020 at 07:36 AM.
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Old 11-19-2019, 11:43 AM   #3
Glenn Hayes
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Default Re: Nova stocker project.

Very well done and fast !
Let us know how your freshened engine works out.
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Old 11-19-2019, 12:20 PM   #4
Mark Yacavone
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Default Re: Nova stocker project.

Good that you found those problems early.
Looking forward to those dyno sheets.
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Old 11-19-2019, 07:45 PM   #5
Alan Nyhus
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Default Re: Nova stocker project.

Quote:
Originally Posted by Mark Yacavone View Post
Good that you found those problems early.
Yes...the lobes had begun to look herky earlier in the season but the leading/trailing edges of the nose were still okay. The lash wasn't changing but toward the end of the season it got 'flat' and unresponsive to changes so I wasn't surprised to see half a dozen like this when I took it apart.

The last pass on it was at the Div 5 Nat. Open at Kearney, Ne and it went -.88 and change under.

Stocker Life.....

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Old 11-19-2019, 08:10 PM   #6
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Default Re: Nova stocker project.

What lifter are you using and how crazy is the spring pressure?
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Old 11-20-2019, 09:20 AM   #7
Alan Nyhus
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Default Re: Nova stocker project.

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Originally Posted by Markeracer View Post
What lifter are you using and how crazy is the spring pressure?
Trend lifters and PAC 1409X springs.

https://www.racingsprings.com/index....ring-8086.html

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tell us what you found out about the spots on the cam lobes. I had the same thing happen on two different engines and got all kinds of reason's for it happening but nothing definite. Oil, spring pressure,lifters etc... etc. Sure would be nice to know for sure what caused it.
Bill, I think there's just a certain life expectancy of this style of lobe. There's a tremendous amount of pressure concentrated on a very narrow 'peak' on both the opening and closing sides of the lobe.

This would be a good topic for the Tech section, for sure. -Al
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Old 11-19-2019, 08:16 PM   #8
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Smile Re: Nova stocker project.

tell us what you found out about the spots on the cam lobes. I had the same thing happen on two different engines and got all kinds of reason's for it happening but nothing definite. Oil, spring pressure,lifters etc... etc. Sure would be nice to know for sure what caused it.
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Old 11-19-2019, 09:05 PM   #9
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Default Re: Nova stocker project.

Alan

You should think about running the Stock Super Stock combo races @ Bandimere. There will be several G/SA cars there, so your Chevy will feel right at home. Denver's cars are usually fast so you'll have good cars to compare to.
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