I've seen half sized cores (easily twice as thick as the standard though) used to success on three cars with 450+ hp atw (one had 550). No issues on the street, or at the drag strip, but none of them have been to the circuit, so I don't know how they'd hold up there.
Alloy Racing Radiators
- Thread starter Liberoz
- Start date
Help Support 4GTuner:
gsr-mat
Well-Known Member
Ive just been searching for a new radiator at the minute as mine has just gone, appart from ASI has anyone found any other brands that are excellent quality? Im still waiting on replys from companys to see what they have to offer, I just want a alloy rad that will fit in stock location and be a drop in upgrade.
Actually, Are the ASI radiators twin core? Because the Just Jap ones are twin core for only a little more $$ http://www.justjap.com/store/product.php?productid=16855&cat=0&page=1 
gsr-mat
Well-Known Member
EVO-00X said:Actually, Are the ASI radiators twin core? Because the Just Jap ones are twin core for only a little more $$ http://www.justjap.com/store/product.php?productid=16855&cat=0&page=1
yep but they are out of stock and apparantly arent getting any in, going to try back tomorow to confirm this, will see if i can find any golpher distributors, anyone know any?
JC evo1
Well-Known Member
anyone make an ally rad that isnt much thicker than stock?
EVO-00X said:Actually, Are the ASI radiators twin core? Because the Just Jap ones are twin core for only a little more $$ http://www.justjap.com/store/product.php?productid=16855&cat=0&page=1
yes asi ones are twin core:thumbsup:
BMGTZ
Grumpy old man from the school of hard knocks
Guys I spent a few years in the cooling{radiator} industry ...some things to consider when making a comparison on radiator cores.
FPI= fins per inch......higher count here means better heat exchange....but only up to the point where the fin density per inch impedes air flow
Louvred fins or plain fin........the louvred fins are more efficient but will catch the airborn debris that gets sucked/forced into the radiator. louvre in a fin is simply a small slit which causes turbulance around the fin.
fin bond......how is the fin attached to the core. vacuum brazed? solder paste.
tube pitch....when you look at the front of the rad the pitch is measured between the centre of the tubes some are 10mm some are 1/2 inch......closer isnt always better from an airflow point,and lets face it its the airflow that does the job of cooling.
rows....the amount of tubes counted from the front to rear of the core.......some can have say 2 x12mm rows and another will have a single 28mm tube.
tubes these can vary hugely. straight wall tube, dimpled wall tube, wall thickness all have different heat exchange figures. large single tubes and small twin rows of tubes can have an effect on coolant speed through the radiator.........lets say for instance that a rad with large tubes and no baffles in the tanks along with straight wall tubes is put into a car that does continuos high revs.....we have a recipe for laminar flow....which means the coolant goes through it so fast the is no heat exchange and the owner saying it cant be my shiny radiatior"its brand new"
so these are a few things to consider.......its not just how good the welds are or how thick is it ......but does it work?
there are other important facets to think about when sloting a radiator in front of a very expensive engine.
in my experience if its cheap........they saved money on the components used to manufacture it.
cheers
FPI= fins per inch......higher count here means better heat exchange....but only up to the point where the fin density per inch impedes air flow
Louvred fins or plain fin........the louvred fins are more efficient but will catch the airborn debris that gets sucked/forced into the radiator. louvre in a fin is simply a small slit which causes turbulance around the fin.
fin bond......how is the fin attached to the core. vacuum brazed? solder paste.
tube pitch....when you look at the front of the rad the pitch is measured between the centre of the tubes some are 10mm some are 1/2 inch......closer isnt always better from an airflow point,and lets face it its the airflow that does the job of cooling.
rows....the amount of tubes counted from the front to rear of the core.......some can have say 2 x12mm rows and another will have a single 28mm tube.
tubes these can vary hugely. straight wall tube, dimpled wall tube, wall thickness all have different heat exchange figures. large single tubes and small twin rows of tubes can have an effect on coolant speed through the radiator.........lets say for instance that a rad with large tubes and no baffles in the tanks along with straight wall tubes is put into a car that does continuos high revs.....we have a recipe for laminar flow....which means the coolant goes through it so fast the is no heat exchange and the owner saying it cant be my shiny radiatior"its brand new"
so these are a few things to consider.......its not just how good the welds are or how thick is it ......but does it work?
there are other important facets to think about when sloting a radiator in front of a very expensive engine.
in my experience if its cheap........they saved money on the components used to manufacture it.
cheers
Micheal Radiators are actually Glopher Racing Radiators and are one of the best quality aftermarket radiators for CD/CE9A If I was to Rate
ASI Vs Golpher It would be 70 Vs 90
Golpher actually use factory rad cap design unlike ASI and are far better made and weld quality and over all finish.
and at thsat price why would you buy a ASI or OEM for that matter
ASI Vs Golpher It would be 70 Vs 90
Golpher actually use factory rad cap design unlike ASI and are far better made and weld quality and over all finish.
and at thsat price why would you buy a ASI or OEM for that matter
Dean
Member
On a side note,
ASI have dropped them to $199 on ebay too.
ASI have dropped them to $199 on ebay too.
I just bought a new rad i looked at these ASI ones cos the price was very attractive but spoke to some mates at PWR an decided against but i was lucky enough to also get my mates spare PWR rad for his evo 6.5 cheap enough and with some skill and dearing made that fit
