Congratulations to vtecmec for winning May/June's Lude Of The Month, with his DIY Turbo BB1 build.
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Fan Cooling Switch (manual)
- vanzep
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thanks for the comments - ive aquired an aircon fan from @newkid so im going to refit that so it works off the oem system (the aircon fan kicks in at peak temp in unison with the rad fan)-should take 5 mins to fit the fan and plug the connector in
and i will take it from there. i am a bit of worrier when it comes to the lude so this might be enough to keep me happy for the time being 


1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
Sticking some Redline Water Wetter in the rad should bring down the temp by about 5 degrees, and you can also fit a 1.3 bar radiator cap to make it run slightly cooler.
Honestly though, I am surprised you think there's a problem if the car runs at the normal position on the temp gauge. It's a Honda and built to drive around central Tokyo in 5 hour traffic jams and 45 degree summer temps, with the AC on all the time, so the UK in April shouldn't be much of a problem...
If you want to get a car to worry about, try an MGF with its chocolate head gasket!
Honestly though, I am surprised you think there's a problem if the car runs at the normal position on the temp gauge. It's a Honda and built to drive around central Tokyo in 5 hour traffic jams and 45 degree summer temps, with the AC on all the time, so the UK in April shouldn't be much of a problem...
If you want to get a car to worry about, try an MGF with its chocolate head gasket!
- vanzep
- Supporter 2016
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yeah ive still got aircon control unit in the car - ive refitted the aircon fan today but was wondering if it will still kick in now that ive removed all the pipes and stuff from the engine bay
will i need to have my aircon switched on?
If not then i will fit a switch like @BMCC suggests.

If not then i will fit a switch like @BMCC suggests.
1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
- nucleustylzlude
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- vanzep
- Supporter 2016
- Posts: 7142
- Joined: Sun Jan 29, 2012 6:38 pm
- My Generation: 4G
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your right i dont really need one as i have a secret weapon.....
@indigolemon said hed wire it in for me - so i will take some pics and do a write up


@indigolemon said hed wire it in for me - so i will take some pics and do a write up


1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
- vanzep
- Supporter 2016
- Posts: 7142
- Joined: Sun Jan 29, 2012 6:38 pm
- My Generation: 4G
- Location: Edinburgh
- Has thanked: 305 times
- Been thanked: 504 times
just to update and close this thread out.
Ive refitted the aircon fan and tested it out and now this comes on at the same time as the rad cooling fan so thats good enough for me - both fans running at the same time should help keep the temp down
Ive refitted the aircon fan and tested it out and now this comes on at the same time as the rad cooling fan so thats good enough for me - both fans running at the same time should help keep the temp down

1996-2000 1993 EG9 Blue Civic 1.6 Vti - Traded in against the BB4
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC
2000-2019 1994 2WS BB4 Milano Red JDM Prelude Si VTEC LSD
2015 on > 1991 4WS BB1 Phantom Pearl Grey JDM Prelude Si VTEC LSD
2021 ON > 1998 2WS BB6 White Pearl JDM Prelude Si VTEC