Spec r type intercooler core
05-01-2019 | 12:05 PM
#1
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Spec r type intercooler core
does anyone know where you can buy the spec r bar and plate type intercooler cores from? Not having much joy getting hold of spec r and I’ve heard they have very long lead times so i wanted to look into getting my own core and having a fabricator make the end tanks and pipework. Thanks
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05-01-2019 | 06:40 PM
#8
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From: Guildford
yes, some are. My one is actually larger but it was built for over 730 bhp. The benefit of the smaller ones is that they allow more air for the air filter and less lag in theory.
05-01-2019 | 07:35 PM
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06-01-2019 | 12:52 PM
#11
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I think the 100mm airtec cooler is very good for the price, I had one and it massively lowered the intake temps compared to my rs500 one, they are very heavy but do come with a kit to make it fit. That one is lower and allows for a turbo aftercooler space too if needed.
07-01-2019 | 11:37 AM
#12
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From: Sutton
The spec-r coolers use a garrett bar and plate style core, the best out there.
For 550hp i woulnt say one that spec is really needed but if moneys no object then of course its a better cooler
Cheers Paul
07-01-2019 | 12:25 PM
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From: Marlow Bucks
What they lack in frontal area they make up for in depth hence the higher rated hp coolers are twice as thick as the 500 style ones.
The spec-r coolers use a garrett bar and plate style core, the best out there.
For 550hp i woulnt say one that spec is really needed but if moneys no object then of course its a better cooler
Cheers Paul
The spec-r coolers use a garrett bar and plate style core, the best out there.
For 550hp i woulnt say one that spec is really needed but if moneys no object then of course its a better cooler
Cheers Paul
It is indeed needed at 550hp as they take 40c off the inlet temp. One of the best mods you can do.
Mark
07-01-2019 | 06:19 PM
#14
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Mark is there any advice you can/would give me on what core size to buy and where to get it please? Is it something you have been getting made yourself? I literally cant get hold of spec r on the phone or email and even if I could people are telling me to expect 6 months to one year waiting time. Thanks
07-01-2019 | 06:39 PM
#15
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As I said earlier mate, Mark recommended CSF cores to me. I'm sure a fellow forum user can measure their core for you. Then go on csf site and buy the one you need. It's very easy to find the one you want.
Last edited by jonfoc; 07-01-2019 at 07:17 PM.
07-01-2019 | 06:43 PM
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From: Sutton
07-01-2019 | 06:45 PM
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07-01-2019 | 07:34 PM
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From: Sutton
i know the spec-r ones are the best and the original 500 ones are crap lol
Cheers Paul
Last edited by turbotrev; 07-01-2019 at 07:35 PM.
07-01-2019 | 07:38 PM
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Mark
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07-01-2019 | 08:19 PM
#20
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I used to get over 30 degree c intake temps in summer using the 100mm airtec, not sure if that is all that high and if the spec r would be hugely lower? I suspect nearly another 100 bhp would have benefitted from the better cooler.
07-01-2019 | 08:53 PM
#21
Hi mark, do you know the dimensions of my intercooler core in rods car ? Just curious this thread made me think of it
07-01-2019 | 10:06 PM
#22
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Only on a T34 though.
07-01-2019 | 11:01 PM
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08-01-2019 | 10:14 AM
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08-01-2019 | 05:29 PM
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‘that was on the previous 500 cooler that I gave to jonfoc, you mentioned it being over 50 and that is why I went airtec which dropped to 30’s and then I bought spec r huge Jobbie but have not had the car to try that one, it was on the 700 bhp Wrc Fiesta.
08-01-2019 | 05:29 PM
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08-01-2019 | 06:35 PM
#29
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You would be mad to build a engine just because you wanted a cheap intcooler.
Mark
09-01-2019 | 12:26 AM
#30
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From: Sutton
you have a wider tuning window on a low comp engine. For example a high comp will probably get to 50c and it falls off the mountain with power where on a low comp you may get to 60 to 65c before it does the same.
You would be mad to build a engine just because you wanted a cheap intcooler.
Mark
just wondered if that factor would make much difference but that’s quite a bit more than I thought tbh!
Cheers Paul
10-01-2019 | 07:41 AM
#32
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From: it's not where you are, it's where you've been and where you hope to be
how are these inlet temps being measured?
in a Cosworth how much impact does the positioning of the air temp sensor in different plenum designs have when these inlet temps are being measured?
my YB kit car has a stock plenum with 14mm spacer and stock location of stock air temp sensor. due to the resticted bonnet space, the plenum itself suffers lots of heat soak from the cylinder head or hot radiator air passing it on the way out.
under heavy use, inlet temps go to 40c max but on coasting after a thrash (so theres no air going into plenum to cool the sensor) it heat soaks from the plenum and inlet temps are reported up to 60c but as soon as the throttle is opened again (even slightly) they drop down to ambient + about 10c. however, the drop takes about 2 seconds or so and meanwhile the ecu is pulling timing.
i logged another temp sensor placed in the intercooler outlet hose and that's a much better solution.
do cossies have this heat soak issue?
in a Cosworth how much impact does the positioning of the air temp sensor in different plenum designs have when these inlet temps are being measured?
my YB kit car has a stock plenum with 14mm spacer and stock location of stock air temp sensor. due to the resticted bonnet space, the plenum itself suffers lots of heat soak from the cylinder head or hot radiator air passing it on the way out.
under heavy use, inlet temps go to 40c max but on coasting after a thrash (so theres no air going into plenum to cool the sensor) it heat soaks from the plenum and inlet temps are reported up to 60c but as soon as the throttle is opened again (even slightly) they drop down to ambient + about 10c. however, the drop takes about 2 seconds or so and meanwhile the ecu is pulling timing.
i logged another temp sensor placed in the intercooler outlet hose and that's a much better solution.
do cossies have this heat soak issue?
10-01-2019 | 10:43 AM
#33
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From: Guildford
how are these inlet temps being measured?
in a Cosworth how much impact does the positioning of the air temp sensor in different plenum designs have when these inlet temps are being measured?
my YB kit car has a stock plenum with 14mm spacer and stock location of stock air temp sensor. due to the resticted bonnet space, the plenum itself suffers lots of heat soak from the cylinder head or hot radiator air passing it on the way out.
under heavy use, inlet temps go to 40c max but on coasting after a thrash (so theres no air going into plenum to cool the sensor) it heat soaks from the plenum and inlet temps are reported up to 60c but as soon as the throttle is opened again (even slightly) they drop down to ambient + about 10c. however, the drop takes about 2 seconds or so and meanwhile the ecu is pulling timing.
i logged another temp sensor placed in the intercooler outlet hose and that's a much better solution.
do cossies have this heat soak issue?
in a Cosworth how much impact does the positioning of the air temp sensor in different plenum designs have when these inlet temps are being measured?
my YB kit car has a stock plenum with 14mm spacer and stock location of stock air temp sensor. due to the resticted bonnet space, the plenum itself suffers lots of heat soak from the cylinder head or hot radiator air passing it on the way out.
under heavy use, inlet temps go to 40c max but on coasting after a thrash (so theres no air going into plenum to cool the sensor) it heat soaks from the plenum and inlet temps are reported up to 60c but as soon as the throttle is opened again (even slightly) they drop down to ambient + about 10c. however, the drop takes about 2 seconds or so and meanwhile the ecu is pulling timing.
i logged another temp sensor placed in the intercooler outlet hose and that's a much better solution.
do cossies have this heat soak issue?
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