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Forum: General Q & A

05-17-2007, 01:03 AM

Replies: 32

Are my heads holding me back????

Views: 15,115

Posted By articfriends

I'm not a head porter BUT I also had a set of...

I'm not a head porter BUT I also had a set of merlin vr rectangle ports (previously to my afr's) and they used the same exact exaust port as the oval ports,my motor had a hard time breaking the 700hp...

Forum: General Q & A

05-15-2007, 01:38 AM

Replies: 32

Are my heads holding me back????

Views: 15,115

Posted By articfriends

You need to establish what the flow on the...

You need to establish what the flow on the exhaust port is,203 stock is very restrictive,your blower is going to force the intake port to flow somewhat but the exhaust will bottle neck it for sure....

Forum: General Q & A

05-14-2007, 12:25 AM

Replies: 32

Are my heads holding me back????

Views: 15,115

Posted By articfriends

At 280 cfm intake at .600/203cfm exhaust at .600...

At 280 cfm intake at .600/203cfm exhaust at .600 they are killing your power. You can pour all the boost you want to it but the exhaust is never going to let it out,Smitty

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