Posted: Tue Jul 15, 14 1:20 am
572 B1Les Szabo wrote:Is that a 572 Indy?
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Posted: Tue Jul 15, 14 8:33 am
Yes you can tell it's a B1 because I accidentally fell into one of the inlet ports once and had to be pulled out by my feet.mopar_mark wrote:572 B1Les Szabo wrote:Is that a 572 Indy?
Posted: Tue Jul 15, 14 4:57 pm
Yes would've loved to have a set of B1's on the '69 440-6, but couldn't afford them then....would've gone lowish 10's on motor though and easy 9.5's on sniff!!......400cfm+ heads with porting work!!!
Posted: Tue Jul 15, 14 7:30 pm
B1 originals are way too big for a stock block, B1 BS would work well though.
Posted: Tue Jul 15, 14 8:21 pm
spot on mick same with the indy head you need the smaller version on a 440, pump not man enough for them......Mick wrote:B1 originals are way too big for a stock block, B1 BS would work well though.
Posted: Fri Jul 18, 14 2:44 pm
Yes correct, no Eddy/Indy heads available back then, only Koffels 452's and there weren't many floating around cept for on engines. You guys have got it easy these days to make hp. 
By the way, just for your info, best iron heads for flow when ported with just Chrysler Templates are not 906's.......452's and 346's outflow them by nearly 20cfm.....Best head is the 452.
By the way, just for your info, best iron heads for flow when ported with just Chrysler Templates are not 906's.......452's and 346's outflow them by nearly 20cfm.....Best head is the 452.
Posted: Fri Jul 18, 14 2:57 pm
Yeah we knew that.Les Szabo wrote:By the way, just for your info, best iron heads for flow when ported with just Chrysler Templates are not 906's.......452's and 346's outflow them by nearly 20cfm.....Best head is the 452.
Waste of time now with all the new heads out there. I quite like the sound of the new Mopar Performance heads.
Posted: Fri Jul 18, 14 3:02 pm
SorryDave wrote:Yeah we knew that.Les Szabo wrote:By the way, just for your info, best iron heads for flow when ported with just Chrysler Templates are not 906's.......452's and 346's outflow them by nearly 20cfm.....Best head is the 452.
Waste of time now with all the new heads out there. I quite like the sound of the new Mopar Performance heads.
Posted: Fri Jul 18, 14 3:06 pm
Bit of porting on these would wake a street/strip motor up.
http://www.jegs.com/i/Mopar-Performance ... oreDetails
http://www.jegs.com/i/Mopar-Performance ... oreDetails
Posted: Fri Jul 18, 14 3:21 pm
Yep, if only back then.......get those up to around 325cfm+, increase your CR otherwise you don't get the full benefit with Ally Heads, something like a .620 solid or like my old .650 CC cam and bang 600hp+ with just a 440.....not hard....who needs strokers when you can make that much hp so easy and cheap, and it'll work!.. and that will run low 10's in a proper 3200lbs all in weight Race car that can hook properly and 9.90's in a 3000lb'er. But thats going off topic some.