Hard start new starter or new engine?
#1
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Hard start new starter or new engine?
I went down a friends house last night to check my compression with the hand hald tester Phil got from the group buy sometime back.
My numbers
F
060 057 059 RPM @ 184
R
065 069 071 @ 191 RPM
I have had a few hard starts and its been getting worst. But! heres the thing, its hit and miss. Sometimes its hard to start sometimes its not
2004 mt 67,k miles changed to mobil 1 full sys 0w-40 oil about 6,k miles (2 oil changes ago), been premixing sence 21,k miles, Change oil every 2,500 miles, redline my car everyday.
My numbers
F
060 057 059 RPM @ 184
R
065 069 071 @ 191 RPM
I have had a few hard starts and its been getting worst. But! heres the thing, its hit and miss. Sometimes its hard to start sometimes its not
2004 mt 67,k miles changed to mobil 1 full sys 0w-40 oil about 6,k miles (2 oil changes ago), been premixing sence 21,k miles, Change oil every 2,500 miles, redline my car everyday.
#2
Grasshopper
iTrader: (1)
Posted this in your other thread:
Using the compression calculator I got (rounded):
F
82 79 81
R
85 89 91
Mazda's specs are:
Standard = 120psi @ 250rpm
Minimum = 98.6psi @ 250rpm
I know the calculator is useful for corrections, but wouldn't the numbers change if he was turning the engine quicker (closer to 250rpm).
I'm obviously no expert on compression testing
Using the compression calculator I got (rounded):
F
82 79 81
R
85 89 91
Mazda's specs are:
Standard = 120psi @ 250rpm
Minimum = 98.6psi @ 250rpm
I know the calculator is useful for corrections, but wouldn't the numbers change if he was turning the engine quicker (closer to 250rpm).
I'm obviously no expert on compression testing
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