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helibri · 02-18-2005, 09:42 AM

what is the difference between a big block and a small block?

ayk_driver · 02-18-2005, 10:45 AM

the engine case size.....compare a .12-.15 to a .21+ and u will see a size difference....

its like a real engine... 305-350 chevy is smaller than a 400+ ci block...

PitMan · 02-18-2005, 10:51 AM

also.....block size usually refers to what size engine mount your original vehicle came with....12's to 18 size mount (small) and 21 to 28 size mount (big). ie; There are 21's that will fit into a small block mount.

helibri · 02-18-2005, 03:47 PM

ok. thx

PeanutButterJellyTime · 02-19-2005, 11:24 AM

Is there a power difference too? Sirio has a .23 small block while there are also .21 big blocks, so how does the block size affect it?

ayk_driver · 02-19-2005, 01:53 PM

Quote:

Originally Posted by PeanutButterJellyTime

Is there a power difference too? Sirio has a .23 small block while there are also .21 big blocks, so how does the block size affect it?

i dont no for sure... but for the size/weight difference there may be...

imported_nitrocan · 02-19-2005, 04:35 PM

the sirio is a med sized block, if a remember correctly

02-18-2005, 09:42 AM	#1
helibri Join Date: May 2004 Feedback: 0 / 0% Posts: 641 Total Props: 0	Big"BLOCK"..... Remove this ad - become a site supporter! what is the difference between a big block and a small block?
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02-18-2005, 10:45 AM	#2
ayk_driver RCC Supreme Contributor I am: Andrew C Join Date: May 2004 Location: Barrie, Ontario Radio of choice: Old School FM... Futaba mainly # of RCs: 5+ Feedback: 0 / 0% Posts: 2,956 Total Props: 0	the engine case size.....compare a .12-.15 to a .21+ and u will see a size difference.... its like a real engine... 305-350 chevy is smaller than a 400+ ci block... __________________ Old Beater Sable
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02-18-2005, 10:51 AM	#3
PitMan Join Date: Jul 2004 Feedback: 0 / 0% Posts: 238 Total Props: 0	also.....block size usually refers to what size engine mount your original vehicle came with....12's to 18 size mount (small) and 21 to 28 size mount (big). ie; There are 21's that will fit into a small block mount.
	.

02-18-2005, 03:47 PM	#4
helibri Join Date: May 2004 Feedback: 0 / 0% Posts: 641 Total Props: 0	ok. thx
	.

02-19-2005, 11:24 AM	#5
PeanutButterJellyTime RCC Supreme Contributor Join Date: Aug 2004 Feedback: 0 / 0% Posts: 2,113 Total Props: 0	Is there a power difference too? Sirio has a .23 small block while there are also .21 big blocks, so how does the block size affect it?
	.

02-19-2005, 04:35 PM	#7
imported_nitrocan RCC Master Contributor Join Date: Sep 2004 Feedback: 0 / 0% Posts: 1,133 Total Props: 0	the sirio is a med sized block, if a remember correctly
	.

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