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| IMPRTETA |
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markr154 wrote: The E-series kit is not fully developed yet ...Tim from Raptor needs about 6 weeks to confidently release it.
Things to consider are your compression ratio (the Raptor needs about 8.6, so a decomp plate and head shaving are likely to be needed if you have a big cam) ...and the size of your extractors (primary pipe needs to be 40 mm diameter minimum). Um shaving the head actually increses the comp ratio, just use 1 or 2 au steel gaskets if u wanted to decrease the comp ratio. cheers Simon |
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| markr154 |
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IMPRTETA wrote: markr154 wrote: The E-series kit is not fully developed yet ...Tim from Raptor needs about 6 weeks to confidently release it. Things to consider are your compression ratio (the Raptor needs about 8.6, so a decomp plate and head shaving are likely to be needed if you have a big cam) ...and the size of your extractors (primary pipe needs to be 40 mm diameter minimum). Um shaving the head actually increses the comp ratio, just use 1 or 2 au steel gaskets if u wanted to decrease the comp ratio. cheers Simon Haha ...cheers 
_________________ Hot Chilli Red EL XR6, 5-spd, JMM DEV 5 enhanced (161 rwkw custom tuned), Eliminator Switch Chip, 18" BA GTP rims, Pedders Superlows, BA XR6 badges, BA Sunroof, Pioneer Stereo, Splits, 6x9's, 10" sub, 700W 6-ch Viper amp.
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| fritzz |
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and you are actually less likely to have to decrees comp if u have a big cam
 big cams bleed of pressure.
stock compression is fine, unless u want big boost and big numbers witch a raptor isn't likely to produce anyway.
_________________ # 1997 EL Falcon GLI - 600+rwkw |
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| Slick |
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fritzz wrote: and you are actually less likely to have to decrees comp if u have a big cam The raptor V generic model makes 17psi as I recall.
big cams bleed of pressure.stock compression is fine, unless u want big boost and big numbers witch a raptor isn't likely to produce anyway.
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| xr8ute |
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Slick wrote: fritzz wrote: and you are actually less likely to have to decrees comp if u have a big cam The raptor V generic model makes 17psi as I recall. big cams bleed of pressure.stock compression is fine, unless u want big boost and big numbers witch a raptor isn't likely to produce anyway. On what motor? I doubt a Raptor V could pump enough air volume to produce 17psi of boost on any healthy Falcon 4.0L.....its smaller than a Powerdyne BD11a. Remember, a blower doesn't "make boost", it just pumps air. |
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| markr154 |
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http://www.raptorsc.com.au/products.php
Spec's there...
_________________ Hot Chilli Red EL XR6, 5-spd, JMM DEV 5 enhanced (161 rwkw custom tuned), Eliminator Switch Chip, 18" BA GTP rims, Pedders Superlows, BA XR6 badges, BA Sunroof, Pioneer Stereo, Splits, 6x9's, 10" sub, 700W 6-ch Viper amp.
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| IMPRTETA |
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Model= Raptor V
Suits engine= <5.0L Impeller diameter= 128mm Inlet hose= 82mm discharge hose= 63mm Pressure= 10psi wieght=5.5kg bearings= Ball ceramic Model= Raptor R Suits engine= 5.5 - 10L Impeller diameter= 155mm Inlet hose= 100mm discharge hose= 75mm Pressure= 17psi wieght=6.5kg bearings= Ball ceramic mmm Raptor V 10psi......well thats wat it say in the specs......... but on wat motor? |
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| xr8ute |
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Those specs do not say that the Raptor V head unit will make 17psi on a 4.0L.....have a think about what it really means.
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| schnoods |
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If you give it the revs, it will generate the boost....
It would have no probs supplying a 4ltr. just remember that these aren't a direct drive of the compressor shaft and they are geared to spin the shaft faster than the pulley speed. I'd imagine seeing 30 000 +rpm with the shaft speed at full revs (around 5 000ish) from the falcon. I know that the Vortech s trim has limitations of 50 000rpm (safely) and to generate more boost, its a matter of stepping up to a blower with bigger housings and straight cut gears for the gear drive (against helical). I almost a bought a Raptor until the bumped up their prices to $2500. Now im glad i didnt.
_________________ Because of Beer, Thirst is a Beautiful Thing! |
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| Slick |
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xr8ute wrote: Those specs do not say that the Raptor V head unit will make 17psi on a 4.0L.....have a think about what it really means.
"Raptor V Hybrid coming for Dec 07, pressure to 17psi" if you read half way down the page you won't miss it. http://www.raptorsc.com.au/products.php By the way, boost is just a fancy name for compressed air. lol
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| xr8ute |
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Slick wrote: "Raptor V Hybrid coming for Dec 07, pressure to 17psi"
if you read half way down the page you won't miss it. http://www.raptorsc.com.au/products.php You miss my point. The compressor may work up to 17psi....but on what engine will it make that much boost? A 2L Pinto-engined Escort maybe, but I seriously doubt it on a 4.0L. |
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| Slick |
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xr8ute wrote: Slick wrote: "Raptor V Hybrid coming for Dec 07, pressure to 17psi" if you read half way down the page you won't miss it. http://www.raptorsc.com.au/products.php You miss my point. The compressor may work up to 17psi....but on what engine will it make that much boost? A 2L Pinto-engined Escort maybe, but I seriously doubt it on a 4.0L. I see what you mean. the only one who could answer that is the guys at raptor. just asked them what they mean by raptor V hybrid, will it make 17psi on a 4.0L i6 or is it just different overdrive gears/pulley?!?!
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| 3.9from hell |
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a supercharger or any pump for that matter produces flow of whatever fluid media it is pumping, in this case air
flow can only be measured in volume ie litres per hour at a given rpm the blower wil move a certain volume (litres) of air at a certain rate (per hour) now, an engine producing a given hp at a given eficiency will use a certain volume of air over a given time frame again measured in litres per hour if the blower/turbo etc in question moves more volume of air per hour than the engine consumes then the air will back up in the inlet tract and become pressurised and form the condition we know as "boost" now boost can be measured in a unit of pressure ie psi, kpa, bar etc boost quite simply is a measurement of what percentage of the air suplied by the pump is consumed by the engine in a way it is an indication of the restriction in the inlet AFTER the pump therefore to have a manufacturer claim a "maximum psi" is at best misleading |
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| Slick |
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Whats the max CFM of our 4.0L i6 at maximum rpm anyone?
_________________ Mind f**k!!! it works on feeble minded ignorant sheeples... there's plenty of em on this site... some are very intelligent but by god they are so thick!!! Pakrat wrote: You can buy them seppertly
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| schnoods |
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3.9from hell wrote: a supercharger or any pump for that matter produces flow of whatever fluid media it is pumping, in this case air
flow can only be measured in volume ie litres per hour at a given rpm the blower wil move a certain volume (litres) of air at a certain rate (per hour) now, an engine producing a given hp at a given eficiency will use a certain volume of air over a given time frame again measured in litres per hour if the blower/turbo etc in question moves more volume of air per hour than the engine consumes then the air will back up in the inlet tract and become pressurised and form the condition we know as "boost" now boost can be measured in a unit of pressure ie psi, kpa, bar etc boost quite simply is a measurement of what percentage of the air suplied by the pump is consumed by the engine in a way it is an indication of the restriction in the inlet AFTER the pump therefore to have a manufacturer claim a "maximum psi" is at best misleading The max psi would be a Safe Working Condition. Being a non oiled system there would be a safe rev limit for the blower, mainly due to the gears in there, it basicall depends on what size blower drive pulley you have on there and what the motor driving it will rev out to. I still wouldn't even try to get it near the revs required to make 17 psi on that blower, I'd be stepping up to a t trim Vortech or even a procharger.. It says in the specs 17psi, discharge outlet 75mm (3"), so if the specs are right it can flow 17psi at large volumes too. No point having 17 psi with a very small discharge if by the time it hits a larger chamber the pressure will dissapate. I reckon it flow the 17 psi needed to supply the 4ltr, even more, just that with that sort of boost, i'd be looking at a serious blower that can take it with ease and previous results rather than an up and comer.
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