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Topic: 5.0l roller motor? (Read 1684 times) previous topic - next topic

5.0l roller motor?

Is the 5.0l in an 88 bird a roller motor?  The intake manifold plaque just says 5.0l EFI, so how do I determine if it is a roller.  Also, What pistons would it have if it was,wasnt a roller?
                                  Thanx, Josh

Re: 5.0l roller motor?

Reply #1 –
88 5.0 isnt rollers and is flat top pistions if thats the questions...

Re: 5.0l roller motor?

Reply #2 –
So its not a roller motor, ok. The question about the pistons was more along the line of what material they are, forged, hyperutectic, cast?
 

Re: 5.0l roller motor?

Reply #3 –
Cast.

Garrett H.
'94 F250 XLT- 4x4, 5 speed, 7.3 IDI Turbo Diesel, 4" intake, 4" exhaust, 5" turnout stacks, manual hubs, etc.
'87 Thunderbird Turbo Coupe
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Re: 5.0l roller motor?

Reply #4 –
The 88 5.0 has a roller camshaft. If you want to check, pull off the the lower intake and you will see a 'spider' bracket that holds the roller lifter 'dogbones' in place.
2005 Subaru WRX STi|daily driver

Re: 5.0l roller motor?

Reply #5 –
a 88 5.0 is a roller motor but! it does have junk pistons.. oh and all the 5.0 motors inclueding 5.0HO have flat top pistons the diffrence is wheather or not if they have valve releafs and if they are hyperutectic or forged ;)
the only way i know of if the 88 motor is'nt a roller motor is if the motor was replaced with an older 5.0 ;)

Nick
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there's only about a half a dozen man made objects that are herd by the human ear below 40Hz,a pipe organ,thunder,the space shuttle lifting off,a jet airplane taking off or landing,a large canon,an atomic bomb ignited in your back yard and the heat wave afterward oh wait you would be dead so you would'nt hear it scratch that!,and maybe beating your hear against a wall less then 40 times a second..rap music is'nt one of them!thats 40-60Hz@100+db the moving air is under 40Hz

Re: 5.0l roller motor?

Reply #6 –
my 88 5.0  also a roller cam. has e6 heads "long reach plugs"
 and cast pistons
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Re: 5.0l roller motor?

Reply #7 –
Quote
88 5.0 isnt rollers and is flat top pistions if thats the questions...

 

The 5.0's installed in 86-88 cougars and t-birds were roller motors with the high swirl e6 heads and flat top pistons.  Some of the 86 and 87 flat tops WERE indeed forged.  Not sure on the 88.  I do know for those years Ford used 3 different brands of pistons.

The HO motors all had valve reliefs and had forged pistons from 87-92.  In 1993 they switched to the hypereutectic design
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