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4.9L V8 PFI Crankshaft questions

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Old 01-08-2019, 02:03 PM
Cliftontwohatchett's Avatar
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Default 4.9L V8 PFI Crankshaft questions

I have a question about the 4.9L V8 PFI.

Does this specific engine have a crossfit crank or a flatplane crank?

if it is a crossfit crank, is it a good idea to swap it into a flatplane crank?

is it possible to swap to a flatplane crank on a 4.9L V8 PFI?

Thank you in advance!
 
  #2  
Old 01-19-2019, 09:44 AM
Join Date: Dec 2018
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I have a 1997 caddy 4 door that is in great shape. Runs great but I have trouble every morning starting. It takes 6 or 7 times to start and than runs great and starts right away all day with no problem.
 
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