bar/plate v tube/fin
08 March 2005, 08:34 AM
#1
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bar/plate v tube/fin
been looking at nasioc and would like to know the difference between the two types of i/c.
what is the preferred system?
merits of each?
what is the preferred system?
merits of each?
08 March 2005, 07:08 PM
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what about the flat4online £450 all in OBX front mount?
I think its bar/plate and seems plenty big enough.
could be tempted, of course there is Harvey's hybrids to consider as well
I think its bar/plate and seems plenty big enough.
could be tempted, of course there is Harvey's hybrids to consider as well
08 March 2005, 07:14 PM
#7
I've spoke to Scott about his OBX, it appears to use the same core as the Apexi which is very well regarded. A good value for money option if you don't mind a bit of hassle fitting it.
How you seen the thread on NASIOC about fitting an OBX to a classic.... worth a read.
Tony.
How you seen the thread on NASIOC about fitting an OBX to a classic.... worth a read.
Tony.
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09 March 2005, 07:59 AM
#11
Originally Posted by stevebt
he is selling them in kit form for a classic shape and a new shape 
Tony.
09 March 2005, 08:41 AM
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got a link Tony?
ive been following
http://forums.nasioc.com/forums/arch.../t-684213.html
Im aware of the flange needed for dumpvalve, but might not run one anyway
ive been following
http://forums.nasioc.com/forums/arch.../t-684213.html
Im aware of the flange needed for dumpvalve, but might not run one anyway
09 March 2005, 10:12 AM
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The core seems to be quite small, compared to the Hybrid.
I believe the Hybrid core is 600 x 300 x 76mm. Front surface area is 1800cm2
The OBX is 500 x 225 x 63mm. Frontal area 1125cm2
"Surface area" is VERY important, and the Hybrid has over 50% more !
Mark.
I believe the Hybrid core is 600 x 300 x 76mm. Front surface area is 1800cm2
The OBX is 500 x 225 x 63mm. Frontal area 1125cm2
"Surface area" is VERY important, and the Hybrid has over 50% more !
Mark.
09 March 2005, 11:42 AM
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except you are measuring volume there
Deep cores are not neccessarily a good thing, they are generally a compromise, when frontal surface area is limited, and the only way to get more volume, is by going deeper.
To give you a comparison, my FMIC core is only 50mm deep, but supports 550bhp + without problem.
Taking the Hybrid/OBX at "face value", I would expect the Hybrid to out perform the OBX.
"Reality" could be different though.
Mark.
09 March 2005, 02:07 PM
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sorry, didnt do the math
Ive no doubts that the hybrid with its massive core is an excellent bit of kit capable of much, much more than this one, as is also the lateral kit
, but for me at my paltry 400 target it should be sufficient, no?
Apexi rate the core to 500bhp max (obx), it could be a very good value stop gap that would allow future upgrade of the core (should the need ever arise) and in the meantime get me ready for SSO.
appreciate your comments/views...
Ive no doubts that the hybrid with its massive core is an excellent bit of kit capable of much, much more than this one, as is also the lateral kit
, but for me at my paltry 400 target it should be sufficient, no?
Apexi rate the core to 500bhp max (obx), it could be a very good value stop gap that would allow future upgrade of the core (should the need ever arise) and in the meantime get me ready for SSO.
appreciate your comments/views...
09 March 2005, 07:29 PM
#17
The link you have is the same one. Basically you need some mounting barckets for the core and cut/elongate the pipe from core to inlet as this is too small. You could just use a samco T for this and as the DV take off too.
The hybrid does have a very nice core size... but how much of that is covered by the bumper? The core actually sticks out lower than the bumper so the lower section of bumper covers the core and a section is above the bumper too so there is quite a bit of area not in air flow path. Be interesting to know what percentage that is. All the OBX core is directly in the air flow, but due to no ducting to just the core some air will take the easiest path and go round the side of the core.
Not much in it price wise... hybrid being about £125 more. As you say the Apexi core is rated to 500bhp so both should serve you well for 400bhp. Swings and roundabouts as they say.
If you go for the OBX let me know how you go on .
Tony.
The hybrid does have a very nice core size... but how much of that is covered by the bumper? The core actually sticks out lower than the bumper so the lower section of bumper covers the core and a section is above the bumper too so there is quite a bit of area not in air flow path. Be interesting to know what percentage that is. All the OBX core is directly in the air flow, but due to no ducting to just the core some air will take the easiest path and go round the side of the core.
Not much in it price wise... hybrid being about £125 more. As you say the Apexi core is rated to 500bhp so both should serve you well for 400bhp. Swings and roundabouts as they say.
If you go for the OBX let me know how you go on
.Tony.
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