Make my Cam more lumpy

[DrDJ]

How would you rate the following at enhancing the "lumpiness" at idle of a pre-2000 Viper?

1. Hi flow cats
2. Aftermarket exhaust
3. Aftermarket rockers
4. VEC2
5. Other mods?

 

[Greg 99ACR Red and Silver]

5) Other mods - Camshaft swap - a 10!

Nothing comes close to the lumpy sound at a stop light of a Heads/Cam car, and I did 1 and 2 before changing out the cam.

However, a full exhaust package (including headers) helps generate the right racket. You'll like it.

 

[TOOOFST]

Rockers=bigger cam.Lump Factor accomplished.
Rear muffler delete=cheapest sound enhancer.
Be a badA$$ and do it all.

 

[sbkim]

TOOOFST - how much HP can I expect from rockers alone? How much installed? Thanks

 

[99 R/T 10]

Gain with the rockers alone will yeild 10-20 HP depending on the car. Typical cost is about $200 to install.

 

[sbkim]

Yikes that's pricey power! So about $1400 for 10-20hp??

 

[PRVT JET]

Sb, talk to tooofst and it will be half that price!

 

[TCKTPLZ]

I recently had a full aftermarket exhaust package installed in my GTS (Corsa exhaust, Belanger headers, Randomtech Ceramic Cats) and the increase in idle "lumpiness" is incredible. The car now sounds like a boat with a really loud and powerful outboard motor. The car even seems to shake from the lumpiness. Absolutely awesome.

 

[aslowdodge]

i have all that stuff and the car is loud and extremely lopey at idle. I have had a lot of people ask me what cam I had put in but it is stock. Even people I know that hate vipers ( old muscle car lovers) told me the idle is awesome

 

[PhoenixGTS]

Even people I know that hate vipers ( old muscle car lovers) told me the idle is awesome

That's weird. If there is one modern car that an old muscle car enthusiast should like it is a Viper. Other than EFI, up until 2000 Vipers have the same technology as an old muscle car (just one with big tires and IRS). You just cannot please some people.

 

[TOOOFST]

SBKIM-I can give you a good price from Roe Racing for the Rockers and have Jimmy,who works with Paolo install,he's very good.He installed 3 sets complete last year in a few hours,and no problems or adjustments have been made.All the cars are raced hard.Gotta check prices,guessing about $1000+- installed.

 

[opnwide]

Don't forget the aluminum flywheel. Less mass will make the idle more eratic.

 

[BADMOFO]

Question? If I were to install the rockers myself would I need to modify my VEC 2 program Again.

 

[99 R/T 10]

Question? If I were to install the rockers myself would I need to modify my VEC 2 program Again.

I would re-dyno to check the A/F, but it should be ok. My $.02

 

[SNKEBIT]

Question? If I were to install the rockers myself would I need to modify my VEC 2 program Again.

I would re-dyno to check the A/F, but it should be ok. My $.02

Mike, mine totally changed w/ the r.r.'s

lumpy is good

 

[LETHAL GTS]

The RR's do make a difference both in HP and sound. You won't regret it!
Installing is not that big of a deal if you have some mechanical background. Biggest problem I had was some of my lifters would bleed off before I could get to them to adjust. That was a pain. However there was only two, so I adjusted them the same as the rest. Runs strong!

 

[ViperJoe]

Only thing that makes a cam "more" lumpier is a swap with a more lumpier cam!

Looking for that potato potato potato potato potato potato
H-D sound are you?

 

[SYNFULL]

Now the question is- are the Harland Sharp at $600 good enough for street driving, or do you need to spend 1200 to 1600 for the T&D's, or Jesels?

Gary