Anybody sell Vented Hoods in Aust?

[Abdi]

put some washers underneath the bonnet to lift up the rear and remove the rubber - this helps especially if you have a tight budget......

The rear of the bonnet is a high pressure zone and raising it will suck outside air in (and decrease the effectiveness of the radiator) rather than letting the hot underbonnet air out. In all likelihood it will make the situation worse rather than better.

[fd3s]

put some washers underneath the bonnet to lift up the rear and remove the rubber - this helps especially if you have a tight budget......

The rear of the bonnet is a high pressure zone and raising it will suck outside air in (and decrease the effectiveness of the radiator) rather than letting the hot underbonnet air out. In all likelihood it will make the situation worse rather than better.

the radiators efficiency is at the front of the car......

this method is actually used by most drift cars

[Okibi]

It helps let hot air out while the car is staging for its run (or if you were stopped at the lights).

It might make the radiator less efficient and it should suck in cooler air to the engine bay. It all depends on pressure differences; I think Autospeed did an article about this awhile ago.

[CT]

the radiators efficiency is at the front of the car......

this method is actually used by most drift cars

Actually, it's partly under the car, partly behind the radiator, partly in front of the radiator if you get my drift (poor pun!). Not to mention airflow, water capacity, thermostat, gaskets, routing of hot water etc etc. Not sure I'd be taking car setup lessons from drifters. Their cars only do short runs (albeit hard ones), have plenty of air between the car in front and the car behind (usually) which is better for airflow and aero is really just to look good.

I've scrutineered for some drift events and it's common to see batteries held in with zip ties , seats held in with only two bolts ("cus the other didn't fit bro")...........do you get what I mean.

[Okibi]

explorer socks on the brake/clutch fluid reservoirs a softdrink bottle for the coolant overflow

[fd3s]

[Actually, it's partly under the car, partly behind the radiator, partly in front of the radiator if you get my drift (poor pun!). Not to mention airflow, water capacity, thermostat, gaskets, routing of hot water etc etc. Not sure I'd be taking car setup lessons from drifters. Their cars only do short runs (albeit hard ones), have plenty of air between the car in front and the car behind (usually) which is better for airflow and aero is really just to look good.

I've scrutineered for some drift events and it's common to see batteries held in with zip ties , seats held in with only two bolts ("cus the other didn't fit bro")...........do you get what I mean. [/quote]

circuit cars do it too - the back of the raditor should have some vents (eg bonnet scoops_ to release the hot air out of the radiator out ASAP.....

besides i am taliing about JDM pro drifters.

[Benny]

The main problem with having after-market vents in your bonnet is that they allow water to drip onto your engine when raining etc.
While you're moving, it's OK, but when the car is parked it could cause some hassles. Especially if your car is turboed, and the engine and turbo are hot, pouring cold water over it is not ideal.

[fd3s]

i agree with that - but thats the owners choice - and in general the vents are located at the front (near the radiator) where in alot of cars you can almost see straight through.... so minimum if any damage will occur

as noted that are design for racing applications

[irwin83r]

if you are venting not scooping the only time you'll get water in is when standing still. if you design your vents right you should be able to make it so they dont catch water or alow it to flow in to the engine bay, like a lip around the outlet