Compression, Not your average Engine |
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Compression, Not your average Engine |
Mblizzard |
Oct 16 2018, 06:44 AM
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#1
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Advanced Member Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States |
Ok so as many know, I an building my dream engine. With lots of Type 4 Store goodies including Nickies, 78 mm crank, and 102mm P/Cs, LE-200 heads and a decent cam, I am looking at where I want my compression to be.
With a normal engine and quality components it seems that 8.5 to 9.5 is about the limit before heat and detonation become issues. Don't have any measurements yet but playing around with some calculations and assuming a low deck height because I have a slight dish and or valve pockets in the pistons I could easily get to over 11 to 1. But I am think that might not be a long lasting engine. Looking at going for 10 to 10.5. Thoughts? (IMG:style_emoticons/default/blowup.gif) |
falcor75 |
Oct 16 2018, 11:46 AM
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#2
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Senior Member Group: Members Posts: 1,579 Joined: 22-November 12 From: Sweden Member No.: 15,176 Region Association: Scandinavia |
My engine is 10.3:1 2256 CC and it runs fine. But I dont see 100F ambient ever, more like 80 on a warm summers day and even those days are rare.
(IMG:http://www.914world.com/bbs2/uploads_offsite/matsgarage.com-15176-1539712529.1.jpg) |
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