PDA

View Full Version : 1.4 carb+manifold will it fit a 1.2 head????????????



dooooney
16-11-05, 12:20 AM
hi well as above will it fit a 1.2 head, and will it do anything to my performance??

Adam
16-11-05, 12:45 AM
A 1.4carb inlet wont fit a 1.2 head.
As the port shapes are different.

Get a 1300SR inlet and carb, that will fit and should help performance a bit.

MattNova
16-11-05, 08:40 AM
yeah lone live the nova is right, the ports on the 1.2+1.3 (maybe others also) are circular, the ports on the 1.4 are square (god knows why). why not get a webber 32/34 (twin choke) and a 1.3 inlef manifold, fit them and then you do get a performance increase (just in the process of doing it now)

chapers
16-11-05, 11:35 PM
what sort of performance increase would you be looking at with the 32/34s attatched?

chaps

MattNova
17-11-05, 08:06 AM
wel some people say that it is not a lot, but there are also a lot of people that say its about 10-15bhp, not 100%certain on that though. hopefully someone on here with one will be able to help more as im collection parts for mine and hopefully fitting it sometime around christmas.

so...anyone know more precisly??

Adam
17-11-05, 06:27 PM
The improvement is usually better throttle respose, fuel efficiency due to manual choke etc.
Performance wise, maybe 5ish bhp.
Not sure really, cant really see it being 10-15bhp tbh. Its not massively different to a pierburg 2e3.

Snowface
17-11-05, 10:33 PM
a 1.4sr or kent/piper cam will complement the 32/34 nicely.

With a 1.2 cam you won't see as big a gains.

Timmy
17-11-05, 10:48 PM
sorry this is really dumb but not very good on my engine part what a cam what what it do ?

Adam
17-11-05, 10:54 PM
Basically, a cam controls the opening/closing of the inlet and exhaust valves.
And looks like this:-
http://img.photobucket.com/albums/v86/Nova-crew/Cam1.jpg

As it rotates, the lobes press down onto the rocker arms(these sit on top of the valve and hydraulic lifter(tappet), the rocker arm then presses down on the valve and compresses its spring causing the valve to open.