5.0L HO conversion


allpau2thou

10+ Year Member

Joined
Oct 21, 2011
Messages
247
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1,601
City
Haleiwa, Hi.
Vehicle Year
1991
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Automatic
Have a 91' V8 ranger. Unfortunately I just burned a bearing and rathe than rebuild the motor going to pick up another from the junkyard I been eyeing up. It's a 5.0L HO from a 91 mustang. My ranger is set up for a carbureted V8. Will I be ruining this HO motor by putting my carb setup on it?
 
Nope, just make sure you have the right gear on your distributor and you should be good to go. :icon_thumby:
 
85_Ranger4x4 said:
Nope, just make sure you have the right gear on your distributor and you should be good to go. :icon_thumby:
Click to expand...

Could you elaborate? I've got a 5.0 that was given to me and I'm thinking if I decide to use it I'll just switch to a carb for simplicity. Thanks
 
Non roller block engines need to have a cast iron gear on the dizzy while roller block engines need a steel gear.

Also not all roller block 302s are HO and HO engines have a different firing order then non HO 302s.

Sent from my SGH-T499 using Tapatalk 2
 
yodaman1151 said:
Could you elaborate? I've got a 5.0 that was given to me and I'm thinking if I decide to use it I'll just switch to a carb for simplicity. Thanks
Click to expand...

The flat tappet cams use a cast iron gear and the roller cams use a steel gear.
 
Going to use the same intake, carb, distributor setup I'm running now but it's got a Cast iron gear. Is it east to replace with the steel gear or do I have to get a new distributor?
 
You cant put a steel gear on a dizzy with cast iron and vise versa. But I have heard that you can put a brass gear in place of either and be good but not sure on the life of a brass gear.

In the end, it would be easier to get a new dizzy.

Heres a link to the one that I will be using. They say it has the steel gear for the HO engines. Also it is an HEI unit too. I wanted to keep it simple and whatnot plus had a guy that I know say that he has been using it for 2 years now without any problems.

http://www.ebay.com/itm/FORD-289-302-5-0-5-0L-HEI-DISTRIBUTOR-6502-BLUE-CAP-/370607634961?pt=Motors_Car_Truck_Parts_Accessories&hash=item5649efba11&vxp=mtr

Plus was also told these units can have the brass gears put on them too.
 
You need the distributor gear, or a distributor your choice, from a 1986 Mustang GT 5.0L Carbed, manual transmission............ only choice for a stock gear/distributor that I know of.
I could have got the gear for @$75 a whole new distributor was @$95. I figured it was worth the $20 to avoid swapping the gears :-)
 
A brass gear will not last as long as steel, obviously they are quite a bit softer.

If you are getting a different dizzy go ahead and get a steel gear. It was a $20 difference for me too, I just got a rebuilt dizzy.
 
sparky2eh said:
You need the distributor gear, or a distributor your choice, from a 1986 Mustang GT 5.0L Carbed, manual transmission............ only choice for a stock gear/distributor that I know of.
I could have got the gear for @$75 a whole new distributor was @$95. I figured it was worth the $20 to avoid swapping the gears :-)
Click to expand...

He means 1985.
 
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