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Check to see if you tighten the bolts to spec. and replaced the oil

if you have a spark, check for fuel, ign fuse,antitheft divice, redo your timing...

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....or maybe the timing belt/chain was put back on wrong. Then no matter if you have fire and fuel, compression is not there and it wont run. Also, look to see if the wiring is all properly reconnected. Distributor dropped in wrong? Too many possible causes to guess without seeing or hearing it. Does it spin over really unusually fast? Faster than you remember it sounding before? If so, the timing belt or chain is causing the cam and crank to be out of time.

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Q: Why wouldn't your engine start after a head gasket has been replaced?
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Hi i have a r2 motor and it got hot and then wouldnt start so i replaced the water pump as it was broke and now it wont start it winds and theres spark but wont start


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You have a blown head gasket, cracked head, or both. The engine must be taken apart and head gasket & head possibly replaced. If you drove it in this condition for a long period of time you may have totally destroyed this engine and it will need a complete overhaul.


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