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heslo

By heslo,
in South Australia

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Import S13 Veteran

Import S13

Posted
Posted

I was running twin 12" thermos on a dedicated track car and a disconected clutch fan.

i found that temps went abit weird and all over the place (had the thermos wired and re-wired a few different times to fix the problem and nothing)

hook the clutch fan back up and she was sweet. this was on an sr and ive had another mate have the same problem with his rb20 and his new car (black top sr)

like i said, it was my personal opinion and on a track car i didnt like it and neither did my car

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Aberax Grand Master

Aberax

Posted
Posted
Abe, help us to help you buddy.....ie.

How much power are you anticipating?

How much track work will the car see?

Is it your daly and if so, how much rush hour driving will it see?

and most importantly, what is your driving style like, ie. boot into it from most traffic lights (which is how I drove when I was younger) or just the occasional squirt, etc?

All the above factors have a big say on clutch choice but having said that (and as Steve stated) you couldn't go wrong with that NPC setup from the little I know about you and your car.

Hope this is all helping bud, cause I was the same when I was trying to decide on turbos and zorsts before selling mine.

Thanks for the help Pete.

At the moment it has ~260rwkw, will eventually go higher when i rebuild the engine - if it dies.

It will be seeing 1-3 Days a year at the Track - Depends how many SAUSA does.

Yes, it is my daily, generally it is a straight run to work, with 1-3 traffic lights. But as for slow moving, bumper to bumper traffic, very rarely - hardly go anywhere near town, closest i get is maybe Vilis :D.

Take off from the lights is generally sedate, but will sometimes give it a bit up to the speed limit, also very rarely go for hills runs, but will be going on a few more hopefully as i now have weekends off :(.

RubyRS4 Grand Master

RubyRS4

Posted
Posted
what fmic kit did you get? you shouldnt be cutting up your fan (found out the hard way)

also, personal opinion, thermo's are shit if your also removing the clutch fan.

Never said I was cutting up the fan ... hence why I removed it.

I've removed the clutch fan and fitted thermos to my previous project cars ... including a supercharged SR20DE powered 200B and CA18DET VG30BB turbo powered 1600, and never suffered overheating.

I'm just asking what thermos (for those who are) are being used on RB25DETs.

I'm running a single 14" thermo and even on the track i have no problems with temps.

The problem with clutch fan is that they produce parasitic loss all the time even if the temps are fine. The advantage of the thermos is that they only produce a power loss when the cooling is actually needed which you will surprised to know is only around 30% of the time (more if you are in stationary traffic obviously). When the car is moving generally you don't need any more air flow than what you are getting by the car moving through the air.

Which is my thinking too. What 14" brand are you running?

I'm also running a 52mm alloy radiator. :D

JMW Mentor

JMW

Posted
Posted
Never said I was cutting up the fan ... hence why I removed it.

I've removed the clutch fan and fitted thermos to my previous project cars ... including a supercharged SR20DE powered 200B and CA18DET VG30BB turbo powered 1600, and never suffered overheating.

I'm just asking what thermos (for those who are) are being used on RB25DETs.

Which is my thinking too. What 14" brand are you running?

I'm also running a 52mm alloy radiator. :D

We found in our old drag car that the a/c thermo off a vr/vs holden did a fantastic job, but they are a 16" fan. Other than that try to get one with curved blades and preferably with an outter ring to stop the blades flexing too much.

Inline 6 Grand Master

Inline 6

Posted
Posted
LOL, sounds like James would make a good candidate for a Mod with his stick wielding talents .......**mental note** :D

yep thats a definate, theres a couple of people from that party im willing to bet are still showing the marks of a good banning now.

Import S13 Veteran

Import S13

Posted
Posted (edited)
Never said I was cutting up the fan ... hence why I removed it.

I've removed the clutch fan and fitted thermos to my previous project cars ... including a supercharged SR20DE powered 200B and CA18DET VG30BB turbo powered 1600, and never suffered overheating.

I'm just asking what thermos (for those who are) are being used on RB25DETs.

never said you were cutting them (i can read and saw what you said) just said you shouldnt also why i asked what fmic piping kit you had as despite the kit you shouldnt have to cut the fan blades as any decent kit made should fit between cam cover and fan shroud without hitting the fan, thus no need for thermo's on a daily car. :D

get thermo if you want was just trying to save you the time and money as they arent needed. also gave you the brand that ive used so go for gold :(

Edited by Import S13
craig R33 Grand Master

craig R33

Posted
Posted

i like to think of myself as a pretty patient guy....

BUT FOR PHUCKSAKES I WANT MY SKYLINE BACK AND FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

that is all.

Aberax Grand Master

Aberax

Posted
Posted
Err....fairly sure that needs to be changed. :)

Does it?! Why does it need to be changed? Last time i went for a hills run was...ummmm, the NS Christmas Cruise, where i got lost...again.

i like to think of myself as a pretty patient guy....

BUT FOR PHUCKSAKES I WANT MY SKYLINE BACK AND FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

that is all.

Yeah, i know what you mean. Mine has been off the road for 2-3 weeks with a fried clutch, and its going to be about another 2-3 weeks before its good again :)

OZ_Pomy Rising Star

OZ_Pomy

Posted
Posted
Thanks for the help Pete.

At the moment it has ~260rwkw, will eventually go higher when i rebuild the engine - if it dies.

It will be seeing 1-3 Days a year at the Track - Depends how many SAUSA does.

Yes, it is my daily, generally it is a straight run to work, with 1-3 traffic lights. But as for slow moving, bumper to bumper traffic, very rarely - hardly go anywhere near town, closest i get is maybe Vilis :).

Take off from the lights is generally sedate, but will sometimes give it a bit up to the speed limit, also very rarely go for hills runs, but will be going on a few more hopefully as i now have weekends off :).

Aberax i see your having troubles deciding what clutch to choose..... I highly recommend the same one that i got which was through the group buy that madaz did. I had an R33 GTST with 250 RWKW and i hammered the thing with no problems at all. Before this i went through 2 other clutches. The NPC setup was VERY easy to drive and was capable of a fair amount of abuse ;). Good luck in what ever clutch you choose to go with :)

dark.sky Grand Master

dark.sky

Posted
Posted
i like to think of myself as a pretty patient guy....

BUT FOR PHUCKSAKES I WANT MY SKYLINE BACK AND FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

that is all.

Yeah, i know what you mean. Mine has been off the road for 2-3 weeks with a fried clutch, and its going to be about another 2-3 weeks before its good again :)

Ive been waiting since November for my engine. Been driving an R32 with a busted engine since October. I win :)

Aberax Grand Master

Aberax

Posted
Posted
Aberax i see your having troubles deciding what clutch to choose..... I highly recommend the same one that i got which was through the group buy that madaz did. I had an R33 GTST with 250 RWKW and i hammered the thing with no problems at all. Before this i went through 2 other clutches. The NPC setup was VERY easy to drive and was capable of a fair amount of abuse :) . Good luck in what ever clutch you choose to go with :)

Sp you have a 5puk Ceramic from Steve's (Madaz) Group Buy? Did you also get the Flywheel too, or have your old one machined?

SLED Grand Master

SLED

Posted
Posted
Aberax i see your having troubles deciding what clutch to choose..... I highly recommend the same one that i got which was through the group buy that madaz did. I had an R33 GTST with 250 RWKW and i hammered the thing with no problems at all. Before this i went through 2 other clutches. The NPC setup was VERY easy to drive and was capable of a fair amount of abuse :) . Good luck in what ever clutch you choose to go with :)

^^^There you go Abe........just get the NPC bud as it's less than 1/3 of the cost of a Nismo and very good clutch for the $$ by the sounds of it

D_Stirls Veteran

D_Stirls

Posted
Posted (edited)
i like to think of myself as a pretty patient guy....

BUT FOR PHUCKSAKES I WANT MY SKYLINE BACK AND FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

that is all.

LOL i don't know what your complaining about, my cars been off the road since march last year and i have only now just started to build the engine.

Which is my thinking too. What 14" brand are you running?

I'm also running a 52mm alloy radiator.

It's just a generic one off eBay.

Image588.jpg

Image589.jpg

Edited by D_Stirls
mid life crisis Veteran

mid life crisis

Posted
Posted
Sp you have a 5puk Ceramic from Steve's (Madaz) Group Buy? Did you also get the Flywheel too, or have your old one machined?

hi abe im oz pommys dad

we just had his standed flywheel machined the npc clutch worked a treat and had been in the car over 12 months before he sold the car .

it copped a fair hammering in the time he drove ....i mean thrashed it lol . b4 then i had fitted 2 clutches in about 18 months too the car

pedal had good feel and the cluch was good in traffic

cheers dean

jenkies Mentor

jenkies

Posted
Posted
i like to think of myself as a pretty patient guy....

BUT FOR PHUCKSAKES I WANT MY SKYLINE BACK AND FINISHED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

that is all.

Ive been waiting since November for my engine. Been driving an R32 with a busted engine since October. I win :)

im in the same boat as you boys but i havnt driven my line in like 6 months :)

Weezy Grand Master

Weezy

Posted
Posted
i have had my 31 since october, and only done one skid. depressing.

workshop has had it for >5 weeks. depressing.

i know there was a fair bit of work, but geez, srs?

Whats being done to it? I had just assumed it was ready to slide lol

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