Discussion
Apparently not. Most of them bought a package and it doesn't figure in the discussions I suspect.
I'm sure if Richard could be bothered with discussion of such wussy power adders he'd explain why it's not such a simple question to answer.
In isolation, I'm not sure it's relevant. In the context of some kind of built engine, maybe.
I'm sure if Richard could be bothered with discussion of such wussy power adders he'd explain why it's not such a simple question to answer.
In isolation, I'm not sure it's relevant. In the context of some kind of built engine, maybe.
Yeah nobody knows because nobody has a clue about what they are buying.
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
As mentioned I cant be bothered working it out but it should be easy. at 7psi blower is pushing roughly 1.5x engine capacity per rpm.
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
As mentioned I cant be bothered working it out but it should be easy. at 7psi blower is pushing roughly 1.5x engine capacity per rpm.
crisisjez said:
ringram said:
Yeah nobody knows because nobody has a clue about what they are buying.
Bit harsh mate, most people don`t work with engines for a living
You can always work backwards from the proposed horsepower generated and multiply that by 2.2 to get a reasonable figure.
I had a clue about what I was buying.......a proven 500+rwhp...
To be fair thats all I wanted to know.ringram said:
Yeah nobody knows because nobody has a clue about what they are buying.
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
Not sure that's correct? - its a 4 cycle engine, so in one Revolution only 50% of the cylinders would of been on the induction stroke.But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
eliot said:
ringram said:
Yeah nobody knows because nobody has a clue about what they are buying.
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
Not sure that's correct? - its a 4 cycle engine, so in one Revolution only 50% of the cylinders would of been on the induction stroke.But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
MC.
eliot said:
ringram said:
Yeah nobody knows because nobody has a clue about what they are buying.
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
But IIRC its 1.2l capacity x its pulley ratio. Check eaton or maggie sites for info. You can then convert that to cfm. But Im sure its way more than 122cfm!
Afterall a 6l can hit 100% ve at certain points which is 6l of air per rpm!
Not sure that's correct? - its a 4 cycle engine, so in one Revolution only 50% of the cylinders would of been on the induction stroke.
Not talking engines, talking blowers (Which arn`t 4 stroke
)ringram said:
But IIRC its 1.2l capacity
Do your research Richard
The 122 shifts 122 cubic inches of air (2 litres) per revolution of it's drive pulley. CFM is dependent on pulley size but I would think 1000 cfm would be its limit based on what I've read. Unfortunately they don't publish it.
It's output is about the same as the 1900TVS, which is fine for most, non forged engines at say 500whp on an LS2. Based on my own experience, I still think it would do 600whp on a 383+ with heads and a cam but that's about it.
The TVS2300 is a different matter. We've been experimenting with mine and found 2 pounds of extra boost (12 to 14psi) liberates an extra 50whp. That's 3.85% more power per pound measured on the same dyno by the same operator on the same day. Intake temps still low
Edited by anonymous-user on Saturday 10th October 12:14
TerryS said:
Thanks guys, what is the max RPM it can be spun to? 1000cfm seems a bit low for the power some cars seemed to be making.
It's a power adder, ask yourself how much power you need to add and what to. To get the best gains you need decent heads and cam. I had a 122 on mine which made 537whp on 8psi which shows what is possible:
wormus said:
TerryS said:
Thanks guys, what is the max RPM it can be spun to? 1000cfm seems a bit low for the power some cars seemed to be making.
It's a power adder, ask yourself how much power you need to add and what to. To get the best gains you need decent heads and cam. I had a 122 on mine which made 537whp on 8psi which shows what is possible:
was that with headers and cams
TerryS said:
Whilst you made good power, this doesn't really help establish the max CFM of the 122. What rpm was it spinning at to achieve 8psi on your engine?
I don't understand what you are asking, it doesn't work like that. You stick all the bits on your engine to give the best volumetric efficiency, then you change pulley sizes on the blower to give the boost you want. Nobody measures cfm on blowers, which is why nobody publishes it. I got good power because of the rate the air could flow through the engine.
eliot said:
Not sure that's correct? - its a 4 cycle engine, so in one Revolution only 50% of the cylinders would of been on the induction stroke.
No, Im not correct, you are Good to see people questioning/checking others statements!At least it got everyone thinking it through properly.
Calculating from rwhp is bad, because of the mechanical waste in the SC. IMO better to calculate airflow based on engine volumetric efficiency at each RPM. So would be 3L per rev then at 100% VE!? 122 cubes works out at 2L.. So a bit bigger than the TVS1900? 1.9L? Maybe its equivalent based on the extra thermal efficiency though?
Whats the normal pulley ratio? 2:1?
Are you running an LS3 Mr Phantom? What boost? (Fingers crossed, will see you at the thunder road!)
007 VXR said:
wormus said:
007 VXR said:
was that with headers and cams
1 7/8" headers,dual 3" exhaust, blower cam and ported 243 heads.
I will be going that route next year any advice ..have wortec and 122
If yours is an LS2, and you are sticking with the 122, stay with the 2.5" wortec exhaust and get a cam fitted. If you want over 500 whp, you will need to go forged which means a chat with Mark or Roger.
It depends on how far you want to go but I'd say stroked 427 with forged rotating assembly, decent heads and a cam. Trouble is by then you will want a MP2300 TVS blower to make the best of it.
You can make 500hp at the wheels on LS2 for a while but more than that you need to open the engine up. As soon as you do that you might aswell go balls out!
If yours is an LS2, and you are sticking with the 122, stay with the 2.5" wortec exhaust and get a cam fitted. If you want over 500 whp, you will need to go forged which means a chat with Mark or Roger.
It depends on how far you want to go but I'd say stroked 427 with forged rotating assembly, decent heads and a cam. Trouble is by then you will want a MP2300 TVS blower to make the best of it.
You can make 500hp at the wheels on LS2 for a while but more than that you need to open the engine up. As soon as you do that you might aswell go balls out!
[/quote]
thank you very much
will be talking to roger soon ..hoping to go (balls out) but will be keeping the 122 ..
It depends on how far you want to go but I'd say stroked 427 with forged rotating assembly, decent heads and a cam. Trouble is by then you will want a MP2300 TVS blower to make the best of it.
You can make 500hp at the wheels on LS2 for a while but more than that you need to open the engine up. As soon as you do that you might aswell go balls out!
[/quote]
thank you very much
will be talking to roger soon ..hoping to go (balls out) but will be keeping the 122 ..
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