W2 Head Flow Numbers - Need Advice

[Hebrews10:26]

"Without pipe"
What were the exh flow numbers without the pipe?

 

[clinteg]

I want to say 230 or 240 something. But I'm really guessing at this point. Seemed like it jumped up 20 cfm or so when he put the pipe on.

 

[Hebrews10:26]

I want to say 230 or 240 something. But I'm really guessing at this point. Seemed like it jumped up 20 cfm or so when he put the pipe on.

Yes, it picks up around 18-20 cfm with a pipe on the exhaust.

240 on the exhaust and 275 on the intake, thats no good.

 

[Bakerlite]

Nice digital conversion on Chads bench. PTS stuff.

 

[clinteg]

Yes, it picks up around 18-20 cfm with a pipe on the exhaust.

240 on the exhaust and 275 on the intake, thats no good.

Hence why I left them there to get the right treatment :glasses7:

 

[evil66]

Found the flow sheets for my stock W2 econo heads, 252.9cfm @500 lift, 271.6 at 600 lift and 273 at 625 lift, all measured at 28". No porting at all the best it may have had is a decent valve job at some stage.

 

[Abodybomber]

That good OOTB......

 

[evil66]

That good OOTB......

That's what I thought, especially for a 2.02/1.60 valve, but the flow bench used is not known to be over the top compared to others and he has flowed heaps of mopar 6 and 8cyl stuff over the years.

He was quite surprised how good the w2's were with no porting compared to the j heads he was porting and promptly went out and bought two sets to experiment with.