sc12 and sc14 blowers

[Josh]

Whats the size difference between sc12 and sc14 superchargers. Is a sc14 much bigger

[XSVWGN]

what do you intend to use them on? i had both on my 4agze and the sc14 pulled alot harder and had way more pull topend!


Matt

[Josh]

oh i mean overall size, like the outside dimensions. Im thnking of putting a sc14 on my 3sge beams ke36, ive already sat a sc12 in there and it just fits. So i was wanting to know if the sc14 would fit

[Crampy]

The SC14 is longer, by how much I can't remember. I can measure my SC14 up if you want. Other dimension are the same other than the SC14 has a different type of pulley on it, which makes it hard to bolt it onto a 4AGZE.

[soopachargen]

i put an sc12 pulley on the sc14 matt has in his car im by no means an engineer so it must have been a complete bolt up swap

[Josh]

Crampy, do you still have that sc14 for sale?

[Crampy]

Crampy, do you still have that sc14 for sale?

Yep, got someone interested in it though.

[AE25]

The SC14 is longer, by how much I can't remember. I can measure my SC14 up if you want. Other dimension are the same other than the SC14 has a different type of pulley on it, which makes it hard to bolt it onto a 4AGZE.

mounts are on different sides between sc12/sc14 too

[Adamal]

Just found this, doesn't looks like theres much in it

[2LTR Rona]

Whats the size difference between sc12 and sc14 superchargers. Is a sc14 much bigger

http://autospeed.com/A_110294/cms/article.html

Toyota 4A-GZE

The Toyota4A-GZE supercharger is the most popular second-hand supercharger in Australia.

This unit is a considerable step up in weight and size over the previous Aisin superchargers. Coded SC12, the 4A-GZE blower is 27cm long, 21cm wide and 15cm tall (not including mounts or bolt-ons). The extra breathing potential of this supercharger can be seen in its larger outlet pipe, which measures 57mm OD. We’re led to believe that this supercharger displaces 1200cc per revolution and, in standard form, boosts to around 10 psi.

In its final years of production, the supercharged and air-to-air intercooled 1.6-litre 4A-GZE engine had a standard output of 125kW and 206Nm. In tuning circles, we have seen this blower in applications making over 150kW with good reliability. Note, however, boost pressure in excess of 14 psi can lead to heat-related supercharger failure.

Interestingly, the 4A-GZE blower comes with a small dipstick to check the internal oil level. It also has an electro-magnetic clutch mechanism (much like an air-con compressor clutch) that is used to engage and disengage drive to the supercharger.
Toyota 1G-GZE

The supercharger fitted to the 1G 2.0-litre straight-six is essentially a larger capacity version of the 4A-GZE’s SC12.

Coded SC14, the 1G-GZE blower is the same width and height as the SC12 unit except it is 31cm long overall. The other major difference is the lack of an oil dipstick – the SC14 uses a conventional oil level inspection/filler plug.

With the same 57mm OD outlet pipe but displacing 1420cc per revolution (220cc more than the 4A-GZE supercharger), the SC14 is fitted to the Japanese-market Toyota Crown, Chaser and several other models. Unlike the 4A-GZE, the supercharged 1G-GZE wasn’t equipped with an intercooler – this helps explain why it makes the same 125kW peak output as its little cousin.

This is a better supercharger to pick if you want a little more power than the SC12 can provide – we guess that around 170kW would be a safe limit.