Thread: BBC 496 Heads question
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11-16-2005 05:09 AM #1
BBC 496 Heads question
I am sending a 70 454 to the machine shop to be stroked and bored ,it has oval port cast heads ,I am not racing but want a torquer engine ,should I keep the oval ports .I was told these make more low rpm torque I will be running a built up 700r4 and a street cam ,I have a buddie with a set of rectangle port heads he said he'd trade if I need them ,I was told for a street eng ovals would be better,both will be port and polished (my buddy does em for free)its all going into a 69 Nova SS,wouldnt low rpm torque be better for the street ?just finished a frame off resto mod 67 Chevellewith 383 stroked LT1 and a 75 mb 450 SL (not a hot rod but a sweet old convertable}Now am restoring a 69 Nova SS
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11-16-2005 09:40 AM #2
"wouldnt low rpm torque be better for the street ?"
yesPLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
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11-16-2005 10:18 AM #3
Re: BBC 496 Heads question
Originally posted by 75mbsl
I am sending a 70 454 to the machine shop to be stroked and bored ,it has oval port cast heads ,I am not racing but want a torquer engine ,should I keep the oval ports .I was told these make more low rpm torque I will be running a built up 700r4 and a street cam ,I have a buddie with a set of rectangle port heads he said he'd trade if I need them ,I was told for a street eng ovals would be better,both will be port and polished (my buddy does em for free)its all going into a 69 Nova SS,wouldnt low rpm torque be better for the street ?
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11-16-2005 10:26 AM #4
Pat just saw your pics ,the GOAT is awsome!!!!just finished a frame off resto mod 67 Chevellewith 383 stroked LT1 and a 75 mb 450 SL (not a hot rod but a sweet old convertable}Now am restoring a 69 Nova SS
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11-16-2005 10:43 AM #5
thanks. that gto has alot meaning to me it was my dads. he own it when it was new . and went for some good rides in it when Iwas a kid. he had some big blocks in it to back in 1968 .it has come a long way from them days and much faster :
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12-07-2005 08:15 PM #6
Oval Port heads will wrok just fine. Add 2.19/1.88 valves and do some pocket port work and you will be happy.
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