Cu In Chart
+3
jones
86bigblockbird
Top Sportsman 514X
7 posters
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Cu In Chart
Anyone have a cu in chart for an 11.2 or 11.7 deck height?
Top Sportsman 514X- Posts : 41
Join date : 2009-08-12
Re: Cu In Chart
That 598 and 2 kits not gonig to be enough for next year?
86bigblockbird- Posts : 99
Join date : 2009-12-15
Re: Cu In Chart
Here is some calculators that might help.
http://www.wallaceracing.com/cid.php
http://www.wallaceracing.com/cid.php
jones- Posts : 2230
Join date : 2008-12-02
Location : Philadelphia, MS.
Re: Cu In Chart
Deck height will not be needed in calculations for CI.
Curt- Posts : 2787
Join date : 2009-02-08
Age : 61
Location : Henrietta, Texas but mostly on the road
Re: Cu In Chart
Curt wrote:Deck height will not be needed in calculations for CI.
10-4, the crank doesn't know what the deck height is.
Nevs- BBF CONTRIBUTOR
- Posts : 2724
Join date : 2009-02-07
Age : 70
Location : NW Iowa(Odebolt)
Re: Cu In Chart
Bore x Bore x Stroke x 6.2832 = cubic inches
Randy
Randy
the Coug- Posts : 3055
Join date : 2008-12-02
Re: Cu In Chart
Thanks guys, should have asked it differently - the 4.900 BS blocks.
86BB, it will be enough this year, but probably not in the years to come. Planning on starting a shortblock for 2011 during the 2010 season.
86BB, it will be enough this year, but probably not in the years to come. Planning on starting a shortblock for 2011 during the 2010 season.
Top Sportsman 514X- Posts : 41
Join date : 2009-08-12
Re: Cu In Chart
Top Sportsman 514X wrote:Thanks guys, should have asked it differently - the 4.900 BS blocks.
86BB, it will be enough this year, but probably not in the years to come. Planning on starting a shortblock for 2011 during the 2010 season.
I'm still confused by your question. Bore spacing has no real bearing on displacement, other than maximum overbore capability. We have gone to 4.700" on the 4.900" bore spacing blocks in the past. Beyond that, please elaborate.
Nevs- BBF CONTRIBUTOR
- Posts : 2724
Join date : 2009-02-07
Age : 70
Location : NW Iowa(Odebolt)
Re: Cu In Chart
I "think" he means what size engines are commonly built with the tall deck stuff,,,,like what Jon Kaase has built or Carroll Carter has built. For example it's common with the 11.200" tall deck block, to build a 665 CID engine, which is 4.600 X 5.000". You can also put a 5.25" stroke crankshaft in an 11.200" block,,,, and after that you need to go to the 11.700" block.
However, maybe I'm wrong and this isn't what he's asking.
Charlie
However, maybe I'm wrong and this isn't what he's asking.
Charlie
c.evans- BBF VENDOR SPONSOR
- Posts : 2260
Join date : 2008-12-03
Re: Cu In Chart
Not trying to confuse anyone, sorry for that. Let me try it this way - want to build a larger motor for next season, utilizing my Thor heads - was looking for different combinations, large CI that will work well and with an aluminum block. The car needs to lose some weight as well -
Top Sportsman 514X- Posts : 41
Join date : 2009-08-12
Re: Cu In Chart
OK, I got it now. As Charlie said, the 11.2" deck will get you 665" very easy. The aluminum block will save 125# minimum in my experience. If you want big time room for growth, go with the 12" deck. Same money as the 11.2" or close to it.
Nevs- BBF CONTRIBUTOR
- Posts : 2724
Join date : 2009-02-07
Age : 70
Location : NW Iowa(Odebolt)
Re: Cu In Chart
What are proven "reliable" combinations on an 11.700 block? Bore, Stroke, CI?
Top Sportsman 514X- Posts : 41
Join date : 2009-08-12
Re: Cu In Chart
Top Sportsman 514X wrote:What are proven "reliable" combinations on an 11.700 block? Bore, Stroke, CI?
The 707" combo comes to mind for the 11.700 deck block. 5.25" stroke, 4.625" bore(actually need a 4.630" bore to get a true 707"). 4.900 bore space will work with the Thors, I would think.
Nevs- BBF CONTRIBUTOR
- Posts : 2724
Join date : 2009-02-07
Age : 70
Location : NW Iowa(Odebolt)
Re: Cu In Chart
Thanks Nevs - could be a pretty stout combo......
Top Sportsman 514X- Posts : 41
Join date : 2009-08-12
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