495 stroker motor back from speedshop! - ClassicOldsmobile.com


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Old June 14th, 2018, 08:28 PM   #1  
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495 stroker motor back from speedshop!

Thought i'd give a update. Thanks for the recommendations on Mann speedshop! Dana is a great guy. My shortblock came home last week. Ready for paint. Everything balanced, honed, etc with studs and straps on the low end. My edelbrock heads are at Nolands heads and are ported and getting assembled this week. Should flow about 275cfm.. Air gap intake getting port matched, and headers getting ready for coating. Mark set me up with a Lunati custom grind roller with 243/249 at .050 and 589/597 lift on a 112 lobe. Compression should be close to 10.25 to 1. Gonna be a fun ride. Hopefully i can take my cousins 427 fairlane and my dad's 426 hemi challenger! It's fun to have a car family. Pics below
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Old June 15th, 2018, 04:38 AM   #2  
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Looks good. Do you plan on Dyno?
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Old June 15th, 2018, 06:18 AM   #3  
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The next task is getting all the power to the ground.
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Old June 15th, 2018, 12:12 PM   #4  
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stroker

I would love to dyno at some point. Keeping power to the ground will be a good problem ☺
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Old June 15th, 2018, 02:01 PM   #5  
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That thing is going to be a STUMP puller. My dyno shop charged me $500 to set it up (which is time consuming due to the BOP bolt pattern) break in the cam, change jets twice and make 3 pulls. I had never dyno'd an engine before, it was VERY nerve wracking listening to the 507" Cadillac rpm up to 5200 but then again it was fun and satisfying with the results. If you can swing it, DO IT!!! ...... by the way your timing and fuel curve is all set when you take it home.
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Old June 17th, 2018, 10:46 AM   #6  
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I’m very interested to see how this performs. Will you be taking this to the track? I will be “freshening” the 455 in my car this winter and I’m looking at my options. Keep us updated on how it runs.
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Old June 17th, 2018, 01:48 PM   #7  
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Sure will!
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Originally Posted by oldsmoboogie View Post
I’m very interested to see how this performs. Will you be taking this to the track? I will be “freshening” the 455 in my car this winter and I’m looking at my options. Keep us updated on how it runs.
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