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indy ez1 or edelbrocks #768541 08/08/10 03:31 PM 08/08/10 03:31 PM
Joined: Aug 2010 Posts: 167 mi D dirty magnum OP member
dirty magnum OP member D Joined: Aug 2010 Posts: 167 mi	how much power difference is there on a 500 ci street , strip motor ? arond 9-1 comp, flat tappet cam. anybody ever run both and see?

Re: indy ez1 or edelbrocks [Re: dirty magnum] #768542 08/08/10 04:03 PM 08/08/10 04:03 PM
Joined: Jan 2003 Posts: 31,050 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,050 Oregon	There are some articles in the tech archives that I wrote where I dyno tested Edelbrock heads and then switched to Indy EZ heads.

Re: indy ez1 or edelbrocks [Re: dirty magnum] #768543 08/08/10 07:45 PM 08/08/10 07:45 PM
Joined: Jan 2008 Posts: 795 Glendale Az D Darryls-Demon super stock
Darryls-Demon super stock D Joined: Jan 2008 Posts: 795 Glendale Az	Wht would you run 9to1 compression with alum heads?

Re: indy ez1 or edelbrocks [Re: dirty magnum] #768544 08/08/10 10:37 PM 08/08/10 10:37 PM
Joined: Aug 2010 Posts: 167 mi D dirty magnum OP member
dirty magnum OP member D Joined: Aug 2010 Posts: 167 mi	andy i read the articles , how much power did you make with the ez heads stock before jeff worked his magic? great articles by the way. Last edited by dirty magnum; 08/08/10 10:38 PM.

Re: indy ez1 or edelbrocks [Re: dirty magnum] #768545 08/08/10 11:03 PM 08/08/10 11:03 PM
Joined: Jan 2003 Posts: 31,050 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,050 Oregon	OOTB EZ heads made zero additional power over the Eddy heads. Once the EZ heads were CNC ported then we picked up about 100 hp. Cam, compression and engine size will all add into the mix but the 100 hp gain that Indy advertises is very real on the right shortblock.

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