SS Lancer
Well-Known Member
How do these figures stack up against out of the box W2 ?
Ported Edelbrock versus W2 out of the box !
- Thread starter SS Lancer
- Start date
-
Shady dell speed shop shows a stock W2 head being just a shade (about 5 cfm average) ahead on the low lift flows down in the fat part of the valve opening, and the ported Edelbrocks start to gain a slight edge at the maximum lifts. The ported W2's show just how much more efficient the W2 port is from the onset... What works at low lifts continues to carry over to big gains at higher lifts, a rare quality in an inline valve wedge type head.
grimreaper
Cross Member
I've got some pre-porting numbers for a set of heads I had done a few years ago. With 2.05 intake and 1.6 exhaust valves, valve job without porting, 260 @.550 and 158 @.550. At .300 the were 179 and 136. After porting they went 296 and 210@ .550.
SS Lancer
Well-Known Member
Thank you
About equal with fat stemmed 2.02/1.60.
Ported with thin stemmed valve a shade over 300 with room to go.
The W2 is just a better head. Wide non obstruction ports that flow equal cfm is still more volume but probably less velocity.
As always, choose your weapon wisely!
What looks better on paper doesn’t always perform better on your ride.
dodgedifferent2
Well-Known Member
W2 out of box?
Who runs them that way?
I vote w2 and dont look back unless your higher in the w series.
Who runs them that way?
I vote w2 and dont look back unless your higher in the w series.
There is, IIRC, 2 or 3 people here running W2’s with dead stock ports and, again, IIRC, one fella is running mid 11’s with of all things, (gasp!) a MoPar Purple camshaft!
From Ryan’s website; Shady Dell Speed Shop
LIFT--------AS-CAST---------PORTED
.100”------62.1/44.9------------82.8/55.2
.200”------124.9/101.8---------148.4/107.6
.300”------179.4/138.0---------205.3/160.4
.400”------220.8/151.1---------255.3/193.2
.450”------238.7/155.2---------273.3/203.6
.500”------252.2/155.2---------291.5/208.7
.550”------258.4/155.2---------303.9/213.9
.600”------260.5/155.2---------313.3/215.0
.650”------253.6/155.2---------324.3/215.7
.700”------253.6/155.2---------320.8/217.0
260 cfm is enough to get you going good with enough camshaft (& associated parts) in a light car.
65 CC MP W2 "AB" 15 DEGREE CIRCLE TRACK HEAD, VALVE JOB ONLY, NO PORT WORK
LIFT--INTAKE FLOW
.100"---72.3
.200"--131.1
.300"--187.0
.400"--226.3
.450"--238.7
.500"--253.3
.550"--263.9
.600"--267.4
.650"--269.1
.700"--269.1
The cost of the head is comparable to well done Edelbrock heads with a spring change for the cam intended that can’t use the Stock Edelbrock springs.
The roller rocker arms & gear are twice the price. Ouch.
All in all, worth it i think.
LIFT--------AS-CAST---------PORTED
.100”------62.1/44.9------------82.8/55.2
.200”------124.9/101.8---------148.4/107.6
.300”------179.4/138.0---------205.3/160.4
.400”------220.8/151.1---------255.3/193.2
.450”------238.7/155.2---------273.3/203.6
.500”------252.2/155.2---------291.5/208.7
.550”------258.4/155.2---------303.9/213.9
.600”------260.5/155.2---------313.3/215.0
.650”------253.6/155.2---------324.3/215.7
.700”------253.6/155.2---------320.8/217.0
260 cfm is enough to get you going good with enough camshaft (& associated parts) in a light car.
65 CC MP W2 "AB" 15 DEGREE CIRCLE TRACK HEAD, VALVE JOB ONLY, NO PORT WORK
LIFT--INTAKE FLOW
.100"---72.3
.200"--131.1
.300"--187.0
.400"--226.3
.450"--238.7
.500"--253.3
.550"--263.9
.600"--267.4
.650"--269.1
.700"--269.1
The cost of the head is comparable to well done Edelbrock heads with a spring change for the cam intended that can’t use the Stock Edelbrock springs.
The roller rocker arms & gear are twice the price. Ouch.
All in all, worth it i think.
Me unfortunately at this stage! 11.7 at 116mph with a less than ideal converter and 3450lb barracuda. I wanted it together at the time so didnt get them ported but thought they left me more scope for later compared to the edelbrock rpms.
Marcohotrod
Well-Known Member
my notes say stock w2 231 @ .470" then stalls. ported @ .600 286 in, 209 ex. Perf rpm 250 in., ported by Hughes with 2.08" valve ( take with some salt as well as SHADY dell and some others) 295. Ported J heads - with 2.055" and 11/32" stem = 250 @ .600" , gets my 360 to 11.6 @ 116.5 with 2.5" exhaust - with a , gasp, shelf comp flat lifter cam from the 1980s
Last edited:
I can't speak for the W2's, but my Edelbrocks with a stage II port from Ryan @ ShadyDell made my Barracuda run 10.5's @ 126mph with a small off the shelf street roller....Ryan really knows how to make small block Mopar heads WORK.
What cam and compression in what size engine?
PRH
Well-Known Member
I was thinking....... what this place needs is someone else with an opinion........ so, I signed up!!
A couple things......
-it’s never a good idea to compare flow numbers from different benches as “apples to apples”.
-I don’t know how “ported” the E heads in the first post are....... but if that was a “high effort” job, I’d be looking for higher numbers than that......on my bench.
I also don’t like that big drop off on the intake at over .550 lift.
The exhaust numbers look “too good” for the intake numbers...... unless it was tested with a flow tube attached.
-Ootb w2’s....... every set I’ve seen had noticeably different port bias between left and right intake ports.
Ootb, #1 has always flowed more than #3 for me.
So, whether it flows 260 or 240 can easily just be the difference of which port was tested.
A couple things......
-it’s never a good idea to compare flow numbers from different benches as “apples to apples”.
-I don’t know how “ported” the E heads in the first post are....... but if that was a “high effort” job, I’d be looking for higher numbers than that......on my bench.
I also don’t like that big drop off on the intake at over .550 lift.
The exhaust numbers look “too good” for the intake numbers...... unless it was tested with a flow tube attached.
-Ootb w2’s....... every set I’ve seen had noticeably different port bias between left and right intake ports.
Ootb, #1 has always flowed more than #3 for me.
So, whether it flows 260 or 240 can easily just be the difference of which port was tested.
Last edited:
PRH
Well-Known Member
What if the shape of the curve is similar but one set of numbers is 10-20cfm higher?
You can dismiss it as a different bench......but maybe there really is that much difference in flow(or more).
When the numbers come off the same bench........ you know.
When they don’t...... it’s just speculation.
The other thing is, not all benches operate the same way, which can also influence the shape of the curve.
You can dismiss it as a different bench......but maybe there really is that much difference in flow(or more).
When the numbers come off the same bench........ you know.
When they don’t...... it’s just speculation.
The other thing is, not all benches operate the same way, which can also influence the shape of the curve.
true... but it is the only way we have to compare for conversations sake.
And even if my heads flow way better than another guys on the same bench he may run better due to the rest of his combo.
Its all just bench racing here for amusement and fantasy..
And even if my heads flow way better than another guys on the same bench he may run better due to the rest of his combo.
Its all just bench racing here for amusement and fantasy..
PRH
Well-Known Member
That it is!!
justinp61
Well-Known Member
- Joined
- May 15, 2009
- Messages
- 3,064
- Reaction score
- 4,051
Just like dyno's.
It's always seemed to me that are a lot of Edelbrock haters here for some reason. Yes they had problems with tight valve stems, but like anything aftermarket they should be thoroughly checked out before bolting on. I bought mine used years ago, sent them to Curtis Boggs for porting and a valve job. They ran 11.60's on a hydraulic cammed, pump gas 340 in a 3240 pound 69 Dart. After five years I sent them to Ryan to freshen them up, he installed 2.055 intakes, new exhaust valves, five angle valve job and new springs. I built a pump gas 408 with a Hughes flat solid cam, Weiand X-Cellerator intake and the fresh heads. It ran high 6.50's at over 104 mph in the 1/8 on pump 93 in the same Dart at 3260# with a 4.10 gear. I suspect a 4.88 would've put it in the .40's.
A simple rule for me and something I look at when someone posts flow numbers. If I don't see 200 plus cfm at .300 it won't go on any of my engines. Small block rule for me.
I personally have nothing against Eddies... I just dont like the look of a giant chunk of alloy in my engine bay. Since my cars are 90 % Street I prefer a stockish look. I also like the Old School nastolgia of the W2s.
I know a guy in MN running 10s with his R&R prepped Eddies so I am aware of their potential.
Just because I prefer Brunettes doesnt mean I hate a hot blond ! In fact I have one...lol
I know a guy in MN running 10s with his R&R prepped Eddies so I am aware of their potential.
Just because I prefer Brunettes doesnt mean I hate a hot blond ! In fact I have one...lol
Welcome aboard Dwayne, it's nice you can take the time to add valuable information to the discussion.
Mild 360/408 combo with 10.5:1 compression and a 248 at 50 comp magnum solid flat tappet,would barely have 520 to 530 net lift with the pushrod angles and lash.
Wish i had ported the heads first time around but is stilla fun street car with room for improvement.
-
