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boss 260 stuffed? 

 

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 Post subject: boss 260 stuffed?
Posted: Fri Dec 28, 2018 4:14 am 
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Age: 23

Posts: 4

Joined: 6th Jun 2014

Ride: Ba Falcon 2003

Location: Maroochydore
QLD, Australia

ive compression tested 6 out of 8 cylinders looking from the front of engine left bank i did closest to the front cylinder it was 90psi next one on 90 again then i went to the other side passenger side of car from the front to back 120 then 30 then 90 then 120 again it also cranks but wont fire no power or spark in the coils like the crank angle sensor is stuffed just wondering if the motor is stuffed or is it possible its out of time just dropped the motor in no clue if it really runs or not thanks for any help
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 Post subject: Re: boss 260 stuffed?
Posted: Tue Jan 01, 2019 7:02 pm 
Technical Contributor
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Posts: 534

Joined: 13th Jul 2013

Location: Campbelltown
NSW, Australia

connersharples44 wrote:
ive compression tested 6 out of 8 cylinders looking from the front of engine left bank i did closest to the front cylinder it was 90psi next one on 90 again then i went to the other side passenger side of car from the front to back 120 then 30 then 90 then 120 again it also cranks but wont fire no power or spark in the coils like the crank angle sensor is stuffed just wondering if the motor is stuffed or is it possible its out of time just dropped the motor in no clue if it really runs or not thanks for any help



redo the compression test,and do all cylinders and write them down as you go .

from the readings you have given so far the engine has problems (possible blown gasket/stuffed rings or broken cam chain)make sure you fit comp.tester properly when testing -
120 psi more likely in Roughly same amount of turns...

if from a wreckers talk to them they may swap it for you .

do you have no spark at all coils ?
do you have power at coils when cranking
scan for codes
check connection to crank sensor
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