My RS under the knife..

4.2 V8 32v Naturally Aspirated - 414 bhp
Post Reply
ad2330
1st Gear
Posts: 70
Joined: Tue Jan 31, 2012 8:59 pm

My RS under the knife..

Post by ad2330 » Fri Jul 12, 2013 8:46 pm

Getting a few things thrown on the car this weekend:

JHM full 2.75" exhaust (non-res; catless)
JHM LWFW/Clutch (stage 4)
JHM Intake Spacers
JHM Short throw/linkage
JHM 91 octane tune
Carbon Clean

Looking forward to re-introducing myself to my car come Sunday!

Will keep you posted. :beerchug:
Top
Noyjatat
Top Gear
Posts: 1585
Joined: Sat Sep 15, 2012 8:12 pm
Location: Ipswich, Suffolk

Re: My RS under the knife..

Post by Noyjatat » Fri Jul 12, 2013 9:27 pm

Nice I take it you are in the US then
Top
ad2330
1st Gear
Posts: 70
Joined: Tue Jan 31, 2012 8:59 pm

Re: My RS under the knife..

Post by ad2330 » Fri Jul 12, 2013 9:44 pm

Correct.
Top
User avatar
sync24
5th Gear
Posts: 1151
Joined: Thu Dec 20, 2012 3:13 pm
Location: Kent

Re: My RS under the knife..

Post by sync24 » Sat Jul 13, 2013 11:08 pm

Happy days! I really wanted a JHM zorst - but they are SO expensive to ship to the UK - be good to see the results.
Top
Rick_RS4
Cruising
Posts: 2882
Joined: Mon Dec 13, 2010 4:37 pm

Re: My RS under the knife..

Post by Rick_RS4 » Sun Jul 14, 2013 11:04 am

looking forward to seeing the resullts from this,
Top
Spectre
2nd Gear
Posts: 177
Joined: Sun Feb 24, 2013 12:09 pm

Re: My RS under the knife..

Post by Spectre » Mon Jul 15, 2013 9:08 am

Image
2013 Guards Red 991 Carrera - VERY MUCH Arrived.
2013 Ibis White RS4 B8 - Gone :)
2007 Phantom Black Avant RS4 B7 - Gone :(
Top
User avatar
sakimano
5th Gear
Posts: 1365
Joined: Tue Oct 05, 2010 5:00 pm
Location: Oakville, Ontario, Canada

Re: My RS under the knife..

Post by sakimano » Mon Jul 15, 2013 1:26 pm

sync24 wrote:Happy days! I really wanted a JHM zorst - but they are SO expensive to ship to the UK - be good to see the results.
Even if shipping is $1000 (it's not) the JHM 2.75" catback exhaust + Jhm 2.75" Downpipes with cats is still cheaper than a MTM catback exhaust alone.

$2750 USD (catless) is about £1750.

Here's a friend's car on the dyno this weekend. Jhm catless fullback and tune, 365 whp 311 wtq. Temperature was 27 Celsius.

A stage 3 b5 s4 with k04 turbos put down 350 whp and 400 WTQ right before him.

https://www.youtube.com/watch?v=uCsKy7s ... ata_player
Top
User avatar
hlbeckley
4th Gear
Posts: 596
Joined: Thu Nov 13, 2008 3:02 pm

Re: My RS under the knife..

Post by hlbeckley » Mon Jul 15, 2013 2:11 pm

that is great WHP....wow
nearly 100 more than what a few standard Rs4s making here in Johannesburg
Top
User avatar
sakimano
5th Gear
Posts: 1365
Joined: Tue Oct 05, 2010 5:00 pm
Location: Oakville, Ontario, Canada

Re: My RS under the knife..

Post by sakimano » Tue Jul 16, 2013 1:20 am

hlbeckley wrote:that is great WHP....wow
nearly 100 more than what a few standard Rs4s making here in Johannesburg
That is pretty normal for jhm full catless plus jhm tune. I know of 3 other rs4s with that setup that made between 360 and 370 whp.
Top
User avatar
ArthurPE
Cruising
Posts: 3755
Joined: Tue Nov 11, 2008 3:15 am
Location: USA

Re: My RS under the knife..

Post by ArthurPE » Tue Jul 16, 2013 1:56 am

Johannesburg is 5800 ft asl
that is almost a 22% power loss or 1.28 cf
so 270 ~ 345 corrected (for the same temp, humid and atm pressure, 77F, 0% rh, 29.235 "hg)
Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe...Albert Einstein
Top
User avatar
sakimano
5th Gear
Posts: 1365
Joined: Tue Oct 05, 2010 5:00 pm
Location: Oakville, Ontario, Canada

Re: My RS under the knife..

Post by sakimano » Tue Jul 16, 2013 2:15 am

ArthurPE wrote:Johannesburg is 5800 ft asl
that is almost a 22% power loss or 1.28 cf
so 270 ~ 345 corrected (for the same temp, humid and atm pressure, 77F, 0% rh, 29.235 "hg)
Good point!

The dyno run in question was done at about 200 feet of elevation and probably 2000 feet density altitude (guess) at midday on Saturday. Nearest dragstrip for a da calculator is Toronto Motorsports park 40 miles away.
Top
User avatar
sync24
5th Gear
Posts: 1151
Joined: Thu Dec 20, 2012 3:13 pm
Location: Kent

Re: My RS under the knife..

Post by sync24 » Tue Jul 16, 2013 1:04 pm

sakimano wrote:Even if shipping is $1000 (it's not) the JHM 2.75" catback exhaust + Jhm 2.75" Downpipes with cats is still cheaper than a MTM catback exhaust alone.

$2750 USD (catless) is about £1750.
To clarify, a pair of 2.75" JHM downpipes with 200C sport cats [no funky vband connectors] and a twin 2.75" cat back system comes in at $3100 or roughly £1998 [They have a group buy on at the moment] - but delivery is around $400 and then you have UK import duty as well. Overall it works out around £2882 to the get the system to you in the UK and then you have fitting and RR time....

I am having a bespoke system made for a grand cheaper at the moment - expect results on Friday eve .....
Top
User avatar
sar
4th Gear
Posts: 768
Joined: Wed Mar 29, 2006 2:14 pm
Location: northeast uk

Re: My RS under the knife..

Post by sar » Tue Jul 16, 2013 1:54 pm

sync24 wrote:I am having a bespoke system made for a grand cheaper at the moment - expect results on Friday eve .....
obviously 2.75 with an x pipe?
b7rs4 phantom black, titan pack.
Top
User avatar
sync24
5th Gear
Posts: 1151
Joined: Thu Dec 20, 2012 3:13 pm
Location: Kent

Re: My RS under the knife..

Post by sync24 » Tue Jul 16, 2013 4:04 pm

sar wrote:
sync24 wrote:I am having a bespoke system made for a grand cheaper at the moment - expect results on Friday eve .....
obviously 2.75 with an x pipe?
Close - but no cigar 8)
Top
User avatar
sar
4th Gear
Posts: 768
Joined: Wed Mar 29, 2006 2:14 pm
Location: northeast uk

Re: My RS under the knife..

Post by sar » Tue Jul 16, 2013 5:48 pm

hmmm, don't be tempted to go bigger than 2.75.
x pipe is essential.
b7rs4 phantom black, titan pack.
Top
Post Reply

Return to “RS4 (B7 Typ 8E) 2006–2008”

Who is online

Users browsing this forum: No registered users and 107 guests