exhaust for the manta v8

stagcar · Post by **stagcar** » Sat Jun 12, 2010 4:58 pm

Hi All,

I have finaly got all the welding done on the car.

The question is wether i should use a balance pipe or not? the curent set up hasent got one but it is joined at the back box..

what i intend to do is come out of the hedders pipe for each side then a single cherry bomb poking out each side just before the back wheel's

thinking i should use a balance pipe but not sure how much difrence it makes and where the best place to stick it is?

Any help would be good

also note this car will be suppercharged soon not sure if that makes a difrence?

Cheers
Derek

kiwicar · Post by **kiwicar** » Sat Jun 12, 2010 6:09 pm

Hi the best place for the balance pipe is is about 4 to 6 inches from the collector, diameter should be about 3/4 that of the pipe it joins into, though not too critical down to about half diameter and up to same size, but it being a bit smaller can also help fitting it in under the car.
Best regards
Mike

stagcar · Post by **stagcar** » Sat Jun 12, 2010 9:03 pm

Nice one thanks mike

I will do just that then what sort of power increase do you get with the balance pipe?

Cheers
derek

kiwicar · Post by **kiwicar** » Sun Jun 13, 2010 6:14 am

Hi
the power increase isn't generally very much, and depends on cam duration, on a mild tune engine maybe 3-5 on something more radical maybe 6-12, what it does do is get you more power down just off idle but most of all smoothes out the power curve filling in all the dips making the engine more drivable especially on a highly tuned engine.
Best regards
Mike

gelmonkey · Post by **gelmonkey** » Sun Jun 13, 2010 9:00 am

Hi Derek
IMO you must you a balance pipe.
As it is so tight under the Manta the only real place you can get one in is just behind the gearbox.
My B/P is the same size as the main system and with the engine running it sounds very mellow and smooth.
A mate of mine some years ago ran without one and it sounded very harsh and never seemed to run as sweet as some of the other Mantas.
cheers
Paul

stagcar · Post by **stagcar** » Sun Jun 13, 2010 9:30 pm

Great stuff

Thanks mike for the info

I have fitted a pipe tonight all welded in ready to go just got to kick the pipes out for the side exit and i will be there

Thanks for the all the info and cheers gelmonkey for the manta bit.

How is it going mate must be very close now Mr gelmonkey

Cheers
Derek

gelmonkey · Post by **gelmonkey** » Sun Jun 13, 2010 10:03 pm

hi Derek
Car is MOT'dand taxed and I'm still having a major ball ache with these damm brakes.
This is all that is preventing me from going any further than around the block
Cheers
P