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  #16  
Old 12-03-2010, 05:43 AM
StrokerScamp StrokerScamp is offline
Ford Ranger Owner
 
Join Date: Nov 2010
Posts: 72
Default Re: Should I fix cylinder heads?

I'm a little over than an hour away from them. I ordered the heads one day and they were here the next. They are gonna wanna call you so make sure you include a contact number in correspondance. Their shop foreman's name is Jesse. He's a super nice guy. Make SURE you tell them you want the heads with the tungsten carbide exhaust seats. I think they do that to all the 3.0 heads,but you just wanna make sure they know that your heads are for a Ranger. Remember, this is not Ford's fix. They just came out with a different head casting. This is Dover's fix that they pioneered like 15 years ago. Main thing is....just make DANG SURE you diagnose diagnose diagnose. Last thing you wanna do is replace heads and still have the same problem.
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  #17  
Old 12-03-2010, 11:09 AM
cheeks04ranger cheeks04ranger is offline
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Join Date: Nov 2010
Posts: 68
Default Re: Should I fix cylinder heads?

Yea im pretty sure that this is the problem. Ive had this same problem for almost 2 years now. and nothing ive done has fixed it. All the error codes match and the symptoms match mine. I just need to have a compression test done to be sure. Did you order yours off ebay or did you call them directly. Do you happen to have their number?
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Mods: 2" lift(torsion key and blocks),32/11.50 Kumho AT, Rancho Shocks, Hella Fog lights, k&n air filter, 5%tint all the way around, Black bed liner sprayed tool box, black headlights/tail lights, 15/8 Allied wheels, SuperChip Installed, Flowmaster 40 series perf. exhaust(single out behind passenger door),BlackHorse Bull Bar, top end rebuilt.

Quote:
Originally Posted by machine090767 View Post
If the manufacturer calls it an OHV, then so will I.
you can call it a vibrator for all I care.
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  #18  
Old 12-03-2010, 01:47 PM
StrokerScamp StrokerScamp is offline
Ford Ranger Owner
 
Join Date: Nov 2010
Posts: 72
Default Re: Should I fix cylinder heads?

Yeah. (404) 768-1825 You need to do a leakdown test too. It might pass a compression test. Mine almost did. Doing the two together will make it show up. Here's their web site. http://www.doverusa.com/
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  #19  
Old 12-03-2010, 09:49 PM
cheeks04ranger cheeks04ranger is offline
Ford Ranger Owner
 
Join Date: Nov 2010
Posts: 68
Default Re: Should I fix cylinder heads?

Quote:
Originally Posted by StrokerScamp View Post
Yeah. (404) 768-1825 You need to do a leakdown test too. It might pass a compression test. Mine almost did. Doing the two together will make it show up. Here's their web site. http://www.doverusa.com/
ok ill be sure to have that done. Thanks for all the help..
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Mods: 2" lift(torsion key and blocks),32/11.50 Kumho AT, Rancho Shocks, Hella Fog lights, k&n air filter, 5%tint all the way around, Black bed liner sprayed tool box, black headlights/tail lights, 15/8 Allied wheels, SuperChip Installed, Flowmaster 40 series perf. exhaust(single out behind passenger door),BlackHorse Bull Bar, top end rebuilt.

Quote:
Originally Posted by machine090767 View Post
If the manufacturer calls it an OHV, then so will I.
you can call it a vibrator for all I care.
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  #20  
Old 10-09-2012, 05:04 PM
troexc77 troexc77 is offline
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Join Date: Oct 2012
Posts: 8
Default Re: Should I fix cylinder heads?

Well this is an old post but I figure Ill jump in anyway. I had the same problem with my heads on my 3.0 v6 2004 Ranger. After the shop told me it would be about $3,000 to fix I found Dover. I ordered 2 Cylinders with the gaskets and bolts, put them on, and the truck ran fine..... for about 18 months..... The idil came back worse then ever, now it gets so bad that my check engine light starts flashing and I have almost no power. I took it in thinking maybe a blown gasket, piston rings, or even a messed up cylinder wall. However the mechanic insures me that non of those would cause a the compression in one cylinder be so low. He tells me that it has to be in the heads and he wants about $1,000 to take them off and send them to his machine shop. (paid him $150 to tell me that ) Of course this is outside of Dovers 12 month warranty on there heads, I have also noticed that they no longer sell parts on eBay.

Anyway has anyone else that bought dover heads had this issue? How long have your dover cylinders been working properly?

I am debating if i should call them and order another cylinder, I would hate to see the same thing months down the road again, or even sooner with the cylinder on the other side. I hate to spend $1,000 but I know it will be done right and it would come with a 5 year warranty.
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