The official 1HDT Intercooler thread (9 Viewers)

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Thanks. Does that xxi kit implement a thermostatic control of the water pump or is it just full flow all the time?
full flow all the time, pump and fan relays are connected to ignition 'on' circuit
 
You will heat it up so quickly.
I would look at getting one of those Browns Davis pumps and fabricating a huge tank that will increase the water volume for the system to prevent heat soak as much as possible. More volume more cooling
 
Interesting. Wouldnt it be more effective to run a thermostatic controller with the sensor on the intercooler?
I've done that with my oil cooler, davies craig thermatic switch takes care of that, but I'm happy to leave the w2a running continuously, it doesn't draw much power and saves it having to try and catch up to the heat soak. It has a 9L res tank, system capacity is ~11L
 
Haven't hooked up temp sensors.
Nor have I put on my scoop. The one in the kit is tiny and won't catch enough air.
You need better clamps and silicone fittings, and fasteners to mount it
I basically used the intercooler and connector pipe in the kit
 

Where's this one from? Nice intake for a 1HZ. Not keen on top mount without a fan but flow wise looks promising.

I used to bag out top mounts but recently a 1993 Auto HDJ81 running the new Bad Boy at 26psi with a "series 2" HPD top mount (with a working fan) and 3" exhaust, no other mods at all put down a consistent 150-153kW at Tyres on my Dyno with 22:1 afrs!!. I was so impressed I was telling everyone that walked through the door. Auto as well!!! Crazy, anyway the point is not the power - it's that I must have done 40 long runs in that car and each time getting out and touching the intercooler it was only warm.

As a contrast, the fan unassisted intercooler on the V8 Landcruiser we do a lot of, you WILL give yourself a bad burn touching the cooler after 3 straight runs. Damn they get hot. Oh, also as a contrast and to make all you 1HDT/FT owners happy, standard they (V8) do 89-122kW at wheels (and the 1HDT/FT do 75-85kW). So easy fully mechanical to get more torque and power than the V8 does on its standard turbo
 
Nice work - did you weld up the core or bought it like that?
Yeah Graeme, I made this back in late 2012 out of two cores from frozen boost. It was good for 234rwkw with one of your earlier turbos pushing it way harder than recommended.
FYI. I got one of Graemes bb1 in 2012 and its been pushing 32psi for the last 3 years/100k and is still going strong with no signs of slowing down. Great product. I'll be in touch shortly for a new turbo for the vdj.
 
great thread. so many choices. I really like the HPD front mount intercooler for its simplicity.
 
Haven't had personal experience with it but just looking at it all everything is undersized, really needs 1" coolant outlets on the core and a bigger radiator, better pump, bigger volume of water ect, you would probably be better off piecing one together yourself.
 
Haven't had personal experience with it but just looking at it all everything is undersized, really needs 1" coolant outlets on the core and a bigger radiator, better pump, bigger volume of water ect, you would probably be better off piecing one together yourself.
I found one used for a good price. I have already ordered a new pump, a second exchanger to run in series, and a reservoir.

I'll let everyone know how it goes.
 

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