high milage taco. supercharged?
#21
compression
Thanks TA, I will try some Seafoam and post my compression results again.
I talked to Toyota about it today and they said it would probably be fine just as long as i was within the 20% allowance between cylinders. But they really didn't sound too confident and knew little about the Supercharger specs
So then I talked to TRD, only to get an even more vague answer.. All the tech could tell me was that the SC would work fine as long as I was running "normal" compression.
Well. From what I've read on the forums, average on an older engine is around 185, but brand new from factory is 218.. so, is 225 really that bad?
-Bubs
I talked to Toyota about it today and they said it would probably be fine just as long as i was within the 20% allowance between cylinders. But they really didn't sound too confident and knew little about the Supercharger specs
So then I talked to TRD, only to get an even more vague answer.. All the tech could tell me was that the SC would work fine as long as I was running "normal" compression.
Well. From what I've read on the forums, average on an older engine is around 185, but brand new from factory is 218.. so, is 225 really that bad?
-Bubs
#22
Contributing Member
Yes, it is bad, compression should not go up, the only reason it will go up is because of carbon build up.
That higher compression will mean you are much more knock prone, combined with the high milage that is not a good combo.
run the seafoam though the intake and gas (not the oil) and see if the compression drops, if it does, then run the treatment again.
That higher compression will mean you are much more knock prone, combined with the high milage that is not a good combo.
run the seafoam though the intake and gas (not the oil) and see if the compression drops, if it does, then run the treatment again.
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34, 34l, 4runner, 5vz, 97, compression, factory, high, milage, miles, supercharge, supercharged, supercharger, taco, toyota, v6