More Cooling
#1
More Cooling
I just got my FD running after 3 years of ownership. I noticed it runs significantly hotter than my turbo II I had years ago. I'm not digging the bay heat I can feel by standing next to the car outside of it so I want to make sure this motor I put in it will last as long as possible. This 100% stock (California smogging setup) minus apexi intakes. I've thought of a few ways to run cooler which I will be doing in chronological order shortly such as:
Deleting precat and running 3" DP (heatwrapped) and HFC
Headlight air duct
Upgraded 3 row radiator
Upgraded v-mount intercooler
Efini y-pipe
Bov
Vented CF hood
The order is not listed by the most impact in cooling but mainly the cost and what I already have obtained recently to swap out.
Any help on other things that'll help me keep cooler and extend my engine life is appreciated. Thanks!
Deleting precat and running 3" DP (heatwrapped) and HFC
Headlight air duct
Upgraded 3 row radiator
Upgraded v-mount intercooler
Efini y-pipe
Bov
Vented CF hood
The order is not listed by the most impact in cooling but mainly the cost and what I already have obtained recently to swap out.
Any help on other things that'll help me keep cooler and extend my engine life is appreciated. Thanks!
#2
Senior Member
iTrader: (11)
Other common cooling mods include: FC thermoswitch, 2nd oil cooler, foam ducting around radiator sides
One thing that is not mentioned often as a cooling mod is a catback system. I think it is because most people do that early in the process anyway. I did my catback later and it does aid in engine cooling. I have seen this mentioned in a big cooling thread by one of the older members in the FAQ/archives, can't remember the author, maybe Fritz Flynn. It just doesn't get mentioned in cooling discussions all that often.
One thing that is not mentioned often as a cooling mod is a catback system. I think it is because most people do that early in the process anyway. I did my catback later and it does aid in engine cooling. I have seen this mentioned in a big cooling thread by one of the older members in the FAQ/archives, can't remember the author, maybe Fritz Flynn. It just doesn't get mentioned in cooling discussions all that often.
#3
RX-7 Bad Ass
iTrader: (55)
Most of that radiant heat from popping the hood is from the stock precat. Get a decent downpipe and get it ceramic coated. Heat wrap is a pain in the *** and cheesy, a good ceramic coat with outlast the car (that stuff is BULLETPROOF) and is a night and day change in temps under the hood.
Start with that before you go any further. I don't think you'll have issues with the smog police with a downpipe, but if you do, get a JDM stock downpipe. No cat in it, but it's ultra stock looking.
Dale
Start with that before you go any further. I don't think you'll have issues with the smog police with a downpipe, but if you do, get a JDM stock downpipe. No cat in it, but it's ultra stock looking.
Dale
#5
Awesome great info guys thanks for dropping the info. I have my fujistsubo cb already so ill be good there. I was considering ceramic coating but wasn't sure of it bring worth while. Seems to be since YouTube and other recommend it. I'm doing it!
Wp I will look into as well! What's a thermos witch? I've hear about deleting the AST and using FC thermos witch but what's the upgrade besides avoiding a plastic AST that can explode or crack?
Wp I will look into as well! What's a thermos witch? I've hear about deleting the AST and using FC thermos witch but what's the upgrade besides avoiding a plastic AST that can explode or crack?
#6
Most of that radiant heat from popping the hood is from the stock precat. Get a decent downpipe and get it ceramic coated. Heat wrap is a pain in the *** and cheesy, a good ceramic coat with outlast the car (that stuff is BULLETPROOF) and is a night and day change in temps under the hood.
Start with that before you go any further. I don't think you'll have issues with the smog police with a downpipe, but if you do, get a JDM stock downpipe. No cat in it, but it's ultra stock looking.
Dale
Start with that before you go any further. I don't think you'll have issues with the smog police with a downpipe, but if you do, get a JDM stock downpipe. No cat in it, but it's ultra stock looking.
Dale
#7
Rotary Enthusiast
iTrader: (8)
Awesome great info guys thanks for dropping the info. I have my fujistsubo cb already so ill be good there. I was considering ceramic coating but wasn't sure of it bring worth while. Seems to be since YouTube and other recommend it. I'm doing it!
Wp I will look into as well! What's a thermos witch? I've hear about deleting the AST and using FC thermos witch but what's the upgrade besides avoiding a plastic AST that can explode or crack?
Wp I will look into as well! What's a thermos witch? I've hear about deleting the AST and using FC thermos witch but what's the upgrade besides avoiding a plastic AST that can explode or crack?
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#8
needs more track time
iTrader: (16)
As Dale said, replace the stock pre-cat with a good aftermarket downpipe like the Bonez from RX7.com.
From there, I'd jump right to the v-mount radiator + intercooler setup and the thermo switch. The v-mount was by far the best mod I have ever made to get the car to run and behave consistently. The Rotary extreme v-mount setup is by far the best out there that I have personally seen in person and held in my two hands - vs read about on a forum.
From there, I'd jump right to the v-mount radiator + intercooler setup and the thermo switch. The v-mount was by far the best mod I have ever made to get the car to run and behave consistently. The Rotary extreme v-mount setup is by far the best out there that I have personally seen in person and held in my two hands - vs read about on a forum.
#9
Rotary Enthusiast
iTrader: (19)
Join Date: Apr 2002
Location: Colorado Springs, CO
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Other common cooling mods include: FC thermoswitch, 2nd oil cooler, foam ducting around radiator sides
One thing that is not mentioned often as a cooling mod is a catback system. I think it is because most people do that early in the process anyway. I did my catback later and it does aid in engine cooling. I have seen this mentioned in a big cooling thread by one of the older members in the FAQ/archives, can't remember the author, maybe Fritz Flynn. It just doesn't get mentioned in cooling discussions all that often.
One thing that is not mentioned often as a cooling mod is a catback system. I think it is because most people do that early in the process anyway. I did my catback later and it does aid in engine cooling. I have seen this mentioned in a big cooling thread by one of the older members in the FAQ/archives, can't remember the author, maybe Fritz Flynn. It just doesn't get mentioned in cooling discussions all that often.
#11
My fd has stock precat and stock California cat and some dumb cat back for now that looks close to stock but isn't. It's very quiet as well so it's well muffled. I have all my exhaust components already to run 3" from dp to the tip. Yes cb is catback.
I wish I could afford a second oil cooler but for now I'm rocking touring hard lol
I wish I could afford a second oil cooler but for now I'm rocking touring hard lol
#13
Urban Combat Vet
iTrader: (16)
I.... I've thought of a few ways to run cooler which I will be doing in chronological order shortly such as:
Deleting precat and running 3" DP (heatwrapped) and HFC
Headlight air duct
Upgraded 3 row radiator
Upgraded v-mount intercooler
Efini y-pipe
Bov
Vented CF hood
....
Deleting precat and running 3" DP (heatwrapped) and HFC
Headlight air duct
Upgraded 3 row radiator
Upgraded v-mount intercooler
Efini y-pipe
Bov
Vented CF hood
....
And assuming you're currently still running the OEM SMIC, you'll probably end up needing a different intake and a boost controller with the 'Y' pipe and V-mount and decent intake.
#14
Rotary Enthusiast
iTrader: (8)
My fd has stock precat and stock California cat and some dumb cat back for now that looks close to stock but isn't. It's very quiet as well so it's well muffled. I have all my exhaust components already to run 3" from dp to the tip. Yes cb is catback.
I wish I could afford a second oil cooler but for now I'm rocking touring hard lol
I wish I could afford a second oil cooler but for now I'm rocking touring hard lol
-David Guy
#16
Rotard
iTrader: (6)
I ran a Koyo radiator, front mount intercooler, a/c condenser and an aftermarket downpipe in 90/100* conditions for a year without ever having a heating issue. I now charged over to a Power FC, FC thermoswitch, removed a/c and have never seen above 89* Celsius in the car... Don't need crazy vents & holes to keep your car cool.
#18
It's not random. I simply think id be hitting fuel cut because of a major exhaust change and easier flowing system. At least my FC did. Nothing to worry about in an fd? I will be getting the radiator and v mount like people are saying. And I already bought hi heat coating for my dp and be putting it on once my stainless ties come in for my wrap.
#23
Form follows function
iTrader: (8)
As has been mention, ditch the precat--you do not need it to pass the CA sniffer so long as you have a good main cat and airpump/emissions.