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Discussion Starter #1
Recently given a 1987 Crown Vic with a 5.0 engine. Took car hoping it is a roller motor, aod trans, and 8.8 rear end. Looking to build roller motor and convert rear end to fit my 65 stang. I can see the motor has the large upper intake and uses the speed density system. All info appreciated. Not wanting to tear down a running car for nothing. If not what I am looking for I will just sell it.

Thanks
 

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aka Duke of URL
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Unless it is a Police Cruiser, it will have the 5.0L standard engine. Being 1987, it will be a roller block with roller lifters but retains the standard 302 (non-HO firing order). The throttle body should be pointing to the drivers side of the engine bay instead of the passenger's side and will only have 14lb. injectors. The heads (E6SE) are swirl combustion and not hi-performance attuned.

There were three types of 5.0L's made from 1982-2001.

  • 5.0L HO This engine was used in 1983-1995 Mustangs, Mark VII Lincolns, and some T-birds and Cougars. All Explorer 5.0L engines are 5.0L HO engines as well. They use the 351W firing order, 1-3-7-2-6-5-4-8. Except for the 1983-84 Mustangs, all of these engines are roller cam equipped. They use a reverse rotation water pump and front cover. The 1994-5 Mustang and all Explorers use a unique front cover and water pump.
  • 5.0L Full Size Car This engine was used in 1982-1990 Crown Victoria and Grand Marquis. They use the 289-302 firing order, 1-5-4-2-6-3-7-8. Most of these cars are not roller cam equipped, however in 1987 they started using roller cams but retained the 302 firing order. They use a standard (clockwise) rotation water pump and front cover.
  • 5.0L Truck (except Explorer) These engines are similar to the Full Size Car engines, except they use different intake manifolds and camshaft profiles. They also use the 289-302 firing order, 1-5-4-2-6-3-7-8. They also began using roller cams sometime in the early 1990s. They use a reverse rotation water pump and front cover.

Most likely the rear axle is a 7.5" Check the rear I.D.tag.
 

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Discussion Starter #3
If I were to use a cam made for the H.O. motor will it still work. Would I just use the firing order for a H.O. motor. I will be using a set of worked over E7TE heads from a 92 GT. I obviously will not go fuel injected in the stang.


I have a friend interested in the lower intake and throttle body for a 92 H.O stang. Are these parts going to be interchangeable.
 

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aka Duke of URL
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tonylsg said:
If I were to use a cam made for the H.O. motor will it still work. Would I just use the firing order for a H.O. motor. I will be using a set of worked over E7TE heads from a 92 GT. I obviously will not go fuel injected in the stang.
Yes. The blocks are the same. It will not have the stronger pistons. With the HO cam, just change the firing order at the cap. The E7TE heads are definitely a big help.

I have a friend interested in the lower intake and throttle body for a 92 H.O stang. Are these parts going to be interchangeable.
The upper and lower from the CROWN are low performance. See if the throttle bodies point the same way (HO to the passenger side-standard to the driver's side). If standard it will actually hurt his HO. He needs to upgrade to either the COBRA or EXPLORER.
 

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Discussion Starter #5
I am definantly going with forged pistons. Going to run a small 100 shot of nitrous and hopefully turn 6500-7000 with the final setup. Looks like I got what I was looking for. I will keep you posted as the build progresses. I appreciate your help KULTULZ.



Tony
 
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