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twr7cx
Fordmods - Getting Side Ways
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 Posted: Wed May 11, 2005 11:15 pm Post subject: 4.0L I6 Supercharger kits |
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| Just wondering if anyone else besides Capa make em for the 4.0L I6 SOHC? Purely out of interest. |
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EF 4.9
Fordmods Stock as a Rock
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| Posted: Thu May 12, 2005 5:13 am Post subject: Re: 4.0L I6 Supercharger kits |
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| twr7cx wrote: | | Just wondering if anyone else besides Capa make em for the 4.0L I6 SOHC? Purely out of interest. |
there is a place that fits a positive displacment supercharger to the I6's. The top half of the broadband manifold is removed and the blower sits on top of the lower half of the manifold.
http://www.forcedairtech.com.au/ |
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4.9 EF Futura
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| Posted: Thu May 12, 2005 10:00 am Post subject: |
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CAPA is the sole supplier of powerdyne and vortechs. Even the people who fit them (APS i think? Herrod?) source them from CAPA.
Could order a vortech/powerdyne elsewhere but you'd be in custom territory or ordering an $800 bracket from CAPA to fit the engine.
Dont stuff around - call CAPA. |
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twr7cx
Fordmods - Getting Side Ways
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| Posted: Thu May 12, 2005 3:09 pm Post subject: |
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| 4.9 EF Futura wrote: | CAPA is the sole supplier of powerdyne and vortechs. Even the people who fit them (APS i think? Herrod?) source them from CAPA.
Could order a vortech/powerdyne elsewhere but you'd be in custom territory or ordering an $800 bracket from CAPA to fit the engine.
Dont stuff around - call CAPA. |
There pretty exy.
Mom's hassling me to sell my bike after the resent string of bike crashes and that around here. It'd leave me with about 5 grand burning in my pocket which isn't really enough for a Capa kit - plus I'd need some extra to sort out the LPG - I reckon I'd aim at going LPG only ditch the petrol. I'm not interested in a turbo because it'd be laggy on the auto and I like my auto, not interested in going manual atm. But after riding around on the bike all day today I dunno if I'd be able to give it up... Such hard choices. |
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EFFalcon
Fordmods - Getting Side Ways
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| Posted: Thu May 12, 2005 4:06 pm Post subject: |
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after being in a 9psi capa supercharged car and a 9psi T04 turbo'd car.
both with 3.08 single spinners, both with roughly the same power (190rwkw)
i'd go as far to say the difference in lag wasnt that bad... and with a change to 3.45 in the turbo car is made a massive difference.
but.... supercharger gets a mad sound  |
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MO
Fordmods Tyre Shredder
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| Posted: Thu May 12, 2005 4:20 pm Post subject: |
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THere was an advert in Perth Street Car about 6 months ago for a guy who was making up keeps for the 4l falcon for about $3200.
I will check tonight and see if i can find the advert. I dont know how good they are but they are about half the price of the CAPA kit. Obviously not tried and test but not overpriced to go with it. |
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twr7cx
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| Posted: Thu May 12, 2005 5:12 pm Post subject: Re: 4.0L I6 Supercharger kits |
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| EF 4.9 wrote: | | twr7cx wrote: | | Just wondering if anyone else besides Capa make em for the 4.0L I6 SOHC? Purely out of interest. |
there is a place that fits a positive displacment supercharger to the I6's. The top half of the broadband manifold is removed and the blower sits on top of the lower half of the manifold.
http://www.forcedairtech.com.au/ |
There even more exy than Capa and they're power expectations are lower (160kw). I presume when Capa claim 200kw they're talking rear wheels. |
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madmax
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| Posted: Thu May 12, 2005 5:15 pm Post subject: |
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Sweet and neat. |
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EFFalcon
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| Posted: Thu May 12, 2005 5:16 pm Post subject: |
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| no, capa talk in FW KW. |
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MO
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| Posted: Thu May 12, 2005 5:25 pm Post subject: |
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Price is s**t - nearly $8000 for a supercharger setup. No thanks.
At that price i would ratherl sign up for a turbo with proper engine management system and new injectors. |
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Marmo aka GRNGOB
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| Posted: Thu May 12, 2005 6:08 pm Post subject: |
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theres two main diffrences in the CAPPA and FAT systems, cappa is centrivical (spelling) and fat is positive!
those two cars the guy spoke about earlyer the turboed and sc one if it had of been a 9psi postive displacement supercharger it would have eat the turbo off the line, and so an so on.
because the cetrivical (spelling) superchargers still are like a turbo they spoller up they are still a blower but the positive is a compresser and is always on boost |
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MO
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| Posted: Thu May 12, 2005 6:17 pm Post subject: |
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Dont agree with the beating turbo bit. Turbos almost always make more power as they do not drain power from the engine to do it. With a supercharger you must give away 15%(im guessing) to make 30% while a turbo is free power as it runs off your exhaust.
The clutch or a high stall will help the turbo get off the line quick or a small turbo will give good low and mid power without the massive top end kick that most people expect. |
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4.9 EF Futura
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| Posted: Thu May 12, 2005 7:59 pm Post subject: |
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| MO wrote: | Dont agree with the beating turbo bit. Turbos almost always make more power as they do not drain power from the engine to do it. With a supercharger you must give away 15%(im guessing) to make 30% while a turbo is free power as it runs off your exhaust.
The clutch or a high stall will help the turbo get off the line quick or a small turbo will give good low and mid power without the massive top end kick that most people expect. |
Remember that the backpressure in a turbo exhaust system is similar to the boost produced in the manifold... nothing is free in this game.
Turbo/supercharger is a well documented debate. PD/centrifugal also - have a search around. |
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EBXR8380
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| Posted: Thu May 12, 2005 9:41 pm Post subject: |
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| 4.9 EF Futura wrote: | | MO wrote: | Dont agree with the beating turbo bit. Turbos almost always make more power as they do not drain power from the engine to do it. With a supercharger you must give away 15%(im guessing) to make 30% while a turbo is free power as it runs off your exhaust.
The clutch or a high stall will help the turbo get off the line quick or a small turbo will give good low and mid power without the massive top end kick that most people expect. |
Remember that the backpressure in a turbo exhaust system is similar to the boost produced in the manifold... nothing is free in this game.
Turbo/supercharger is a well documented debate. PD/centrifugal also - have a search around. |
They didn't use blowers in F1 when it was allowed they where all turbo..Yes p/d does have good boost down low rpm but quickly looses it in upper rpm...Also blowers have issues with epa more so than turbo's..It's often more a time thing rather than rpm spool with turbo's but there are too many variables in each application..First you don't need lots of power initially at drags as wheelspin is an issue..Turbo's love and go better with higher final drives also..At stalled up auto with GT3040 turbo will easly spin slicks if wanted so there is issue power wise, even on a big-sh turbo like that 1.06 turbine...But realy its horses for courses both can be built to suite what you want..Another slight advantage is turbo's power can be adjusted at the steering wheel...A s/c engine generally needs stronger rotating assembly in upper power levels compared to turbo's..But then again that depends on tune.... |
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twr7cx
Fordmods - Getting Side Ways
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| Posted: Thu May 12, 2005 11:54 pm Post subject: |
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| I'd be after the power down low, I mean that's were I drive the car most, and that's what I need to light up the back tires and that. Another reason why I wouldn't really considering turboing. |
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FTR-XR6
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| Posted: Fri May 13, 2005 12:53 am Post subject: |
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| If ford can get a GT40 providing max torque from 2000rpm, I'm sure you could get a turbo kit for your car to do the same/similar and that'd tear your tyres up easily and give you plenty of low down urge. |
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EDXR8
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| Posted: Fri May 13, 2005 1:41 am Post subject: |
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| twr7cx wrote: | | I'd be after the power down low, I mean that's were I drive the car most, and that's what I need to light up the back tires and that. Another reason why I wouldn't really considering turboing. |
Most turbo packages available for the I6 produce huge power gains down low, with good boost kicking in at 2000rpm or lower if the right turbo is selected. I have never heard of anyone complaining about lag on turbo falcons, the big capacity spools the turbo really quickly. On the other hand, centrifugal blowers like the Powerdyne and Vortech do not produce boost until high in the rev range. |
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EF 4.9
Fordmods Stock as a Rock
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| Posted: Fri May 13, 2005 4:39 am Post subject: |
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Positive displacment VS centrufical debate has gone on forever and will continue to go on, P/D has boost from idle. Not necesarrily a good thing they have more traction problems and have more of a tendancy to break things, Also in this case intercooling the P/D would be a nightmare, Thats why they rely on water injection.
Apparently 90% of the time you are using 20% or less of the throttle, also makes the P/D sound more appealing
twr7cx, You didn't say you were looking for a cheeper option,
2c |
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4.9 EF Futura
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| Posted: Fri May 13, 2005 9:56 am Post subject: |
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| twr7cx wrote: | | I'd be after the power down low, I mean that's were I drive the car most, and that's what I need to light up the back tires and that. Another reason why I wouldn't really considering turboing. |
As per other's comments - i think you need to re-look at this. Select the right turbo for the application and this is exactly what you'll get.... of course, assuming the tune is right. Look at the typhoon - peak torque at 2000rpm, all due to turbo selection/design and tune....
A centrifugal blower will produce peak power at high revs... the more you rev, the more boost it creates. Having said this, they do not 'lack' power down low... im sure youve seen the dyno graphs ive posted up and the boost to low end power is certainly noticeable. Pos Disp blower is the obvious choice but IMO would be a nightmare to rig up on the I6... unless someone does Pos Disp manifolds for these engines? |
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