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seafoam

samuelcb409

samuelcb409

New member
my girl has 03 gtp and was told to run seafoam, to clean injectors, better mpg etc... wanted to see any specific way to do this and if it will cause any damage to the car
 


Add some to the gas, run some through the brake booster, and some people add some to the crank case.

Run it all through, then replace your spark plugs and oil and you'll be done.
 
Put 2/3 of it in gas tank then start car pull brake booster and slowly add seafoam into brake booster until car dies, wait 10-15 min then start car and let run till it stops smoking.
 


Run it through the vacuum port going to the lim under your supercharger snout. Dont use the brake booster because it will eat your the coating on your supercharger coating.
 
GOTIT4CHEAP16 said:
Run it through the vacuum port going to the lim under your supercharger snout. Dont use the brake booster because it will eat your the coating on your supercharger coating.
Click to expand...

This is false.

If that was the case I'd never have blower rotor coating.

The GenIII coating fails miserably over time regardless of methanol injection, seafoam, etc. GM coated it improperly.
 
GM doesn't order specs for their stuff and Eaton builds it per their request?

Therefore...GM had crappy ideas?
 


I wouldn't put anything but air through the rotors personally. I singlehandely stripped coating off a set of rotors with TB cleaner while I had the blower off. Yeah..early on I learned the hard way.
 


Yes. Better boost charge w/o all the heat of the previous M62's. Because you do know that 3800's came with M62's in the early to mid 90's right?
 
i do now ..lol
is there not a way to put a coating back on it after it gets taken off?...seems like a it would be a wear item for maintenance
 
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