how many people on here have actually had their heads flowbenched?
12-07-2007, 03:00 PM
#42
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12-07-2007, 06:21 PM
#44
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that's cool, but i'm sure you could have your heads TUNED up a little, by an experienced LS1 head porter. like al keller@LPE, greg good, brain tooley@TEA, bo white, ls1tech sponsors, etc.......
12-07-2007, 06:35 PM
#47
they are supposed to be stage 2 but i doubt it..i bought them from someone else..i think they are the stage 1.5 if they are tea heads. the high lift flow was actually pretty good but the low lift numbers could be better. I may pick up some different heads, not sure yet.
12-07-2007, 07:58 PM
#51
Since the heads were off I had Tony Mamo touch up my 205 heads a tad. This is what they flowed on a 3.9 " bore. ....................................
You will now see by the results that your heads very much exceed or meet >our
>advertised information at just about every lift point....especially the >low
>and midlift numbers which I promised you would be most notably improved >from
>the work. These heads would flow even better on a 4" bore but this info was
>taken from the smaller 3.900 test fixture so its an apples to apples >comparo.
>
>Intake @ 28"
>
>Lift......CFM....Adv
>.200....149.....140
>.300....215.....200
>.400....266.....251
>.500....281.....281
>.550....289.....289
>.600....297.....296
>
>Exhaust @ 28"
>
>Lift......CFM....Adv
>.200....126.....112
>.300....177.....170
>.400....215.....203
>.500....230.....221
>.600....237.....230
Big thanks Tony! This street car pulls and feels stronger now but I still have to get it to a dyno so I can get a comparo.
You will now see by the results that your heads very much exceed or meet >our
>advertised information at just about every lift point....especially the >low
>and midlift numbers which I promised you would be most notably improved >from
>the work. These heads would flow even better on a 4" bore but this info was
>taken from the smaller 3.900 test fixture so its an apples to apples >comparo.
>
>Intake @ 28"
>
>Lift......CFM....Adv
>.200....149.....140
>.300....215.....200
>.400....266.....251
>.500....281.....281
>.550....289.....289
>.600....297.....296
>
>Exhaust @ 28"
>
>Lift......CFM....Adv
>.200....126.....112
>.300....177.....170
>.400....215.....203
>.500....230.....221
>.600....237.....230
Big thanks Tony! This street car pulls and feels stronger now but I still have to get it to a dyno so I can get a comparo.
Last edited by SmaknaSS; 12-07-2007 at 08:05 PM.
12-07-2007, 08:08 PM
#54
Since the heads were off I had Tony Mamo touch up my 205 heads a tad. This is what they flowed on a 3.9 " bore. ....................................
You will now see by the results that your heads very much exceed or meet >our
>advertised information at just about every lift point....especially the >low
>and midlift numbers which I promised you would be most notably improved >from
>the work. These heads would flow even better on a 4" bore but this info was
>taken from the smaller 3.900 test fixture so its an apples to apples >comparo.
>
>Intake @ 28"
>
>Lift......CFM....Adv
>.200....149.....140
>.300....215.....200
>.400....266.....251
>.500....281.....281
>.550....289.....289
>.600....297.....296
>
>Exhaust @ 28"
>
>Lift......CFM....Adv
>.200....126.....112
>.300....177.....170
>.400....215.....203
>.500....230.....221
>.600....237.....230
Big thanks Tony! This street car pulls and feels stronger now but I still have to get it to a dyno so I can get a comparo.
You will now see by the results that your heads very much exceed or meet >our
>advertised information at just about every lift point....especially the >low
>and midlift numbers which I promised you would be most notably improved >from
>the work. These heads would flow even better on a 4" bore but this info was
>taken from the smaller 3.900 test fixture so its an apples to apples >comparo.
>
>Intake @ 28"
>
>Lift......CFM....Adv
>.200....149.....140
>.300....215.....200
>.400....266.....251
>.500....281.....281
>.550....289.....289
>.600....297.....296
>
>Exhaust @ 28"
>
>Lift......CFM....Adv
>.200....126.....112
>.300....177.....170
>.400....215.....203
>.500....230.....221
>.600....237.....230
Big thanks Tony! This street car pulls and feels stronger now but I still have to get it to a dyno so I can get a comparo.
12-07-2007, 09:32 PM
#55
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3 years ago I had some well known heads flowed and they were way below the advertised numbers. 2 months ago I watched some AFR 225's actually flow higher than the advertised number, but it was on a 4.00" bore. That was on a SF 600 flow bench.
12-08-2007, 04:49 PM
#56
Be careful, I already had these heads for a while and then decided to have them ported since they were off the car. I might be wrong but It might not be cost effective to buy a new set of AFR 205's and then have them ported, That might be a lot of $$ for the performance you get. It may be better to buy just to buy the 225's instead. I would talk to Tony first and see what he thinks. Out of the box AFR 205's are definitely worth the extra money IMO on a 347 CI engine though.
Last edited by SmaknaSS; 12-08-2007 at 04:58 PM.
12-08-2007, 08:10 PM
#58
Be careful, I already had these heads for a while and then decided to have them ported since they were off the car. I might be wrong but It might not be cost effective to buy a new set of AFR 205's and then have them ported, That might be a lot of $$ for the performance you get. It may be better to buy just to buy the 225's instead. I would talk to Tony first and see what he thinks. Out of the box AFR 205's are definitely worth the extra money IMO on a 347 CI engine though.