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-   Custom Dodge Ram Performance Mods - Engine - 5.2 Liter V8 (
-   -   New to gas rams, perf, mpg, diag. (

Joe Daddy 10-27-2010 04:20 PM

New to gas rams, perf, mpg, diag.
Just bought a very high mile (265k) SLT 1500 4wd ext 5.2. The DT is solid and doing tune up now. Perf mods next.

What do you sugset. For cheap or free mods?
Also I've got a whistle that sounds like vac leak and truck idles badly?????

erm 10-27-2010 04:31 PM

Welcome to the forum. With any internal combustion engine, a cold air intake and freer flowing exhaust will work wonders.

For the computer controlled vehicles, the addition of a programmer or having a performance tune put on your PCM makes a big difference.

Sounds to me like you have a vacuum leak. It's either a cracked or loose hose; or it might be an intake manifold gasket leak or a leak at the base of the throttle body. Check those areas and makes sure your TB is on tight for a start.

Joe Daddy 10-27-2010 04:58 PM

Thanks, I should have noted that I've built many chevy engines (mostly race) and can do head porting custom cam profiles and do custom exhaust. I meant what tricks can I do that are excusive to the 5.2 mag? I'm already making a short list.
Porting TB
Porting a spacer
Fabbing a Ramair CAI
And looking into tuners or chips.

What I don't have is tech knowledge of the EFI and controls, like the AIS???
Thanks again!

RootBeer 10-27-2010 05:58 PM

Since you've worked on many engines you probably know this, but I'll say it anyway, a can of WD40 or carb cleaner is your best friend for finding vacuum leaks. :D

Joe Daddy 10-27-2010 06:20 PM


Are these intakes prone to leaking?

98sst 10-27-2010 06:57 PM

Yep, it's very common, atleast among the forum members.

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