Piper's exhaust cam regrind for VVC - MG-Rover.org Forums

200Vi · 18-05-2004, 14:33

Hi,
Has anyone yet tried the re-profiled exhaust cam that Piper do for the VVC ?

Roverdose · 18-05-2004, 14:53

not personally, but the grind they do is supposedly good upgrade.

Drew

Rain · 18-05-2004, 18:05

Didnt even know they did stuff for the VVC, where can i take a look see ??

200Vi · 18-05-2004, 20:44

Got the nod from one of the moderators about it, spoke to Matt at Piper Cams 01233500200 he confirmed that they will re-profile the VVC exhaust cam (customers own) and should expect to see about 8 to 10 HP increase. Told me that they have done a quite a few for customers abroad, who were very pleased. Costs around £100 for the regrind.

Rain · 19-05-2004, 01:41

hohum... how long would it take um to do it ?? cause if i get the cash id love that

but ive been without driving my baby for about 6 months while in uni, i think its die if i had to go longer than a few weeks :P

col · 19-05-2004, 11:56

interested in this too, 8 hp for a £100 is quite good imo.

Col

Roverdose · 19-05-2004, 12:27

usually takes piper under a week to grind a few cams for me, so if you take your motor apart at the weekend, send off the cam on monday, they 'should' be able to get it to you for friday. (does depend on how busy they are)

might be useful to give them some notice before you send the cam so they know how much work they have on.

Drew

Mike12345 · 19-05-2004, 13:04

Blimey...8hp for 100 quid.

NOT BAD!

carnage_uk · 19-05-2004, 13:09

you do have to send of your own cams though don't you?

carnage_uk · 19-05-2004, 13:25

So if its the exhaust cam thats being re-grinded, this won;t affect the ammount of wear on the engine, Why don't they have more aggrssive exhaust cams on new cars?

Nathan · 19-05-2004, 14:10

Quote:

Originally Posted by carnage_uk

Why don't they have more aggrssive exhaust cams on new cars?

More aggressive cams shift the power futher up the rev range meaning you have to trash the car more, this doesn't really do much for your mpg though.

col · 19-05-2004, 15:14

easy for me... drive the brm one week, the metro the next... life is sweet

although... ill need some pain killers for the metro week

Rain · 19-05-2004, 15:20

what the power band for the cams i read some place the were from 1500-7000 so its kinda like regular driving i spose if u get what i mean.

col · 19-05-2004, 16:22

so, could they give me an aggressive profile for my metro, i only need a powerband of 4000-7200. ie... more peak bhp but a narrower band?

Col

carnage_uk · 19-05-2004, 16:31

I thought the inlet cam would shift the power band, thought the exhaust cam would let exhaust gasses out for a longer duration and I duno how that would shift the band

Roverdose · 19-05-2004, 18:11

they can re-grind most cams but not from std to race spec. you can only remove so much material from the cam before it becomes useless.

you can get a second hand cam(s) reground. they will fit and work fine. but will cost you a little more (until you sell your old cams for someone else to do the same)

285 mechanical K series cam from piper has a stated power band from 2800-7800. probably the closest. ive heard its a good cam spec, either that or grind #740.

Drew

18-05-2004, 14:33	#1
200Vi Registered User Join Date: Mar 2003 Location: Worthing Car: Rover 200 (95-99) "Bubble Shape" Posts: 37	Piper's exhaust cam regrind for VVC Hi, Has anyone yet tried the re-profiled exhaust cam that Piper do for the VVC ?

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18-05-2004, 14:53	#2
Roverdose Registered User Join Date: Aug 2002 Location: Baldock Car: MG ZS180 :D Posts: 1,312	not personally, but the grind they do is supposedly good upgrade. Drew

18-05-2004, 18:05	#3
Rain Registered User Join Date: Jun 2003 Car: MG ZR Posts: 702	Didnt even know they did stuff for the VVC, where can i take a look see ??

18-05-2004, 20:44	#4
200Vi Registered User Join Date: Mar 2003 Location: Worthing Car: Rover 200 (95-99) "Bubble Shape" Posts: 37	Got the nod from one of the moderators about it, spoke to Matt at Piper Cams 01233500200 he confirmed that they will re-profile the VVC exhaust cam (customers own) and should expect to see about 8 to 10 HP increase. Told me that they have done a quite a few for customers abroad, who were very pleased. Costs around £100 for the regrind.

19-05-2004, 01:41	#5
Rain Registered User Join Date: Jun 2003 Car: MG ZR Posts: 702	hohum... how long would it take um to do it ?? cause if i get the cash id love that but ive been without driving my baby for about 6 months while in uni, i think its die if i had to go longer than a few weeks :P

19-05-2004, 11:56	#6
col Registered User Join Date: Jan 2003 Location: Central Scotland Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,909	interested in this too, 8 hp for a £100 is quite good imo. Col

19-05-2004, 12:27	#7
Roverdose Registered User Join Date: Aug 2002 Location: Baldock Car: MG ZS180 :D Posts: 1,312	usually takes piper under a week to grind a few cams for me, so if you take your motor apart at the weekend, send off the cam on monday, they 'should' be able to get it to you for friday. (does depend on how busy they are) might be useful to give them some notice before you send the cam so they know how much work they have on. Drew

19-05-2004, 13:04	#8
Mike12345 Registered User Join Date: Jan 2003 Car: Other Manufacturer Posts: 14,761	Blimey...8hp for 100 quid. NOT BAD!

19-05-2004, 13:09	#9
carnage_uk Registered User Join Date: Nov 2003 Location: UK Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,891	you do have to send of your own cams though don't you?

19-05-2004, 13:25	#10
carnage_uk Registered User Join Date: Nov 2003 Location: UK Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,891	So if its the exhaust cam thats being re-grinded, this won;t affect the ammount of wear on the engine, Why don't they have more aggrssive exhaust cams on new cars?

19-05-2004, 15:14	#12
col Registered User Join Date: Jan 2003 Location: Central Scotland Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,909	easy for me... drive the brm one week, the metro the next... life is sweet although... ill need some pain killers for the metro week

19-05-2004, 15:20	#13
Rain Registered User Join Date: Jun 2003 Car: MG ZR Posts: 702	what the power band for the cams i read some place the were from 1500-7000 so its kinda like regular driving i spose if u get what i mean.

19-05-2004, 16:22	#14
col Registered User Join Date: Jan 2003 Location: Central Scotland Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,909	so, could they give me an aggressive profile for my metro, i only need a powerband of 4000-7200. ie... more peak bhp but a narrower band? Col

19-05-2004, 16:31	#15
carnage_uk Registered User Join Date: Nov 2003 Location: UK Car: Rover 200 (95-99) "Bubble Shape" Posts: 2,891	I thought the inlet cam would shift the power band, thought the exhaust cam would let exhaust gasses out for a longer duration and I duno how that would shift the band

19-05-2004, 18:11	#16
Roverdose Registered User Join Date: Aug 2002 Location: Baldock Car: MG ZS180 :D Posts: 1,312	they can re-grind most cams but not from std to race spec. you can only remove so much material from the cam before it becomes useless. you can get a second hand cam(s) reground. they will fit and work fine. but will cost you a little more (until you sell your old cams for someone else to do the same) 285 mechanical K series cam from piper has a stated power band from 2800-7800. probably the closest. ive heard its a good cam spec, either that or grind #740. Drew

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