V8 Vantage Exhaust Mod'

V8 Vantage Exhaust Mod'

Author
Discussion

papazola

Original Poster:

15 posts

222 months

Tuesday 1st November 2005
quotequote all
During my test drive yesterday, the dealer mentioned that the exhaust on the car had been modified to nullify the effect of the exhausts valve, thereby allowing that beautiful sound its full voice a lot lower down the rev range.

Even better the dealer said the mod' was available to me at around £105.

I'm very tempted! Apart from annoying the neighbours is there any reason, from a technical or legal standpoint, not to go for it?

shadytree

8,291 posts

249 months

Tuesday 1st November 2005
quotequote all
papazola said:
During my test drive yesterday, the dealer mentioned that the exhaust on the car had been modified to nullify the effect of the exhausts valve, thereby allowing that beautiful sound its full voice a lot lower down the rev range.

Even better the dealer said the mod' was available to me at around £105.

I'm very tempted! Apart from annoying the neighbours is there any reason, from a technical or legal standpoint, not to go for it?



So does the valve stay open all the time or just open at a lower rev range ?

papazola

Original Poster:

15 posts

222 months

Tuesday 1st November 2005
quotequote all
Apparently the mod is done at the dealership. It can't be done at the factory as the car has to pass certain noise standards, hence why the valves there in the first place.

I'm told the mod keeps the valve open permanently. I'm not sure if it's reversible, should you ever consider it necessary.

shadytree

8,291 posts

249 months

Tuesday 1st November 2005
quotequote all
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO

Seasider

12,728 posts

249 months

Wednesday 2nd November 2005
quotequote all
Pardon

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
Seasider said:
Pardon


Not like you, you noisy bugger

rich1231

17,331 posts

260 months

Wednesday 2nd November 2005
quotequote all
shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO


I have requested my car has valve jammed for me on delivery. nothing is too loud

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
rich1231 said:

shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO



I have requested my car has valve jammed for me on delivery. nothing is too loud


Bet you get fed up with it

On the AML forum a guys says how to DIY

Seasider

12,728 posts

249 months

Wednesday 2nd November 2005
quotequote all
rich1231 said:

shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO



I have requested my car has valve jammed for me on delivery. nothing is too loud
I'm with the hairdresser on this Stu.... get it done

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
Seasider said:

rich1231 said:


shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO




I have requested my car has valve jammed for me on delivery. nothing is too loud

I'm with the hairdresser on this Stu.... get it done


What so I can run up and down your road and be a noisy lout you mean

rich1231

17,331 posts

260 months

Wednesday 2nd November 2005
quotequote all
shadytree said:

rich1231 said:


shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO




I have requested my car has valve jammed for me on delivery. nothing is too loud



Bet you get fed up with it

On the AML forum a guys says how to DIY


Bet I dont :-) Neighbours will though

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
Ok , i'll do mine DIY. Then a Dartford tunnel duo run ?

Seasider

12,728 posts

249 months

Wednesday 2nd November 2005
quotequote all
shadytree said:
Ok , i'll do mine DIY. Then a Dartford tunnel duo run ?

Must be a very easy job then or should i expect a phone call

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
Seasider said:

shadytree said:
Ok , i'll do mine DIY. Then a Dartford tunnel duo run ?


Must be a very easy job then or should i expect a phone call


Easy (apparently)

A matter of pulling off two rubber pipes that provide suction for the valves.

Seasider

12,728 posts

249 months

Wednesday 2nd November 2005
quotequote all
shadytree said:
Easy (apparently)

A matter of pulling off two rubber pipes that provide suction for the valves.
Engine bay or under?

shadytree

8,291 posts

249 months

Wednesday 2nd November 2005
quotequote all
Seasider said:

shadytree said:
Easy (apparently)

A matter of pulling off two rubber pipes that provide suction for the valves.

Engine bay or under?


Under. 12 inches from the rear of the exhausts.

rich1231

17,331 posts

260 months

Wednesday 2nd November 2005
quotequote all
Ill DIY mine too, I like playing with rubber

Seasider

12,728 posts

249 months

Wednesday 2nd November 2005
quotequote all
rich1231 said:
Ill DIY mine too, I like playing with rubber
Rumour has it this is your prefered head wear for driving



>> Edited by Seasider on Wednesday 2nd November 11:13

papazola

Original Poster:

15 posts

222 months

Friday 4th November 2005
quotequote all
shadytree said:
They could do that on my DB9 and DB7 vantage, but it is REALLY load and a bit intrusive. Idealy louder at say 2500/3000 revs would be better IMO


Went back to the dealer today and listened to the unrestricted sound. It began to growl at about 2900(ish). Dealer said the mod' adds about 15% to bhp, a stunning gain for such a simple tweak. Can it be true?

birdness

3 posts

221 months

Sunday 6th November 2005
quotequote all
Is the 15% increase substantiated by dyno testing? If so, it would be a no-brainer.
Would it be too loud for everyday use i.e. the neighbors.