1983 fairmont 200
- Thread starter Passauf
- Start date
Howdy Back Passauf:
Yes it is. The 1983 version of the 200 has many of the best features ever available for a 200 six. And, yes, this head was used on 200s and 250s from 1980 to the end of production. What trans is in your car. More good news is that the '83 Futura line is built on the Fox platform, so many of the Fox Mustang stuff is a direct swap for suspension stuff.
The down side of this era of 200s is that they were the most crutched up with EPA fixes. Those most hurtful to improving performance are;
*The Holley #1946 carb is probably the most imposed upon carb ever, with vacuum, thermal, and electrical switches to improve emissions and economy.
*Next would be the advance cam timing, which was supposed to help low speed torque designed to crutch the too high rear end gear ratio.
*Too high rear end gear would be the next performance killer.
*Then the compression ratio is down to 8:1, down from 9.2:1 in '65 & '66, which hurts torque.
*And lastly, the exhaust is hindered by a fast burn catalytic converter attached to the exhaust manifold. This system was inefficient when new, and doesn't improve with age.
The pluses are;
*The best production head available, and it can easily be improved upon, by milling, three angle valve job and backcutting the intake valve.
*The best production air cleaner/climatic control system. It Provides hot air to the carb when it is cold and cool air when it is hot.
*The best production ignition system, the DuraSpark II.
So, start by assessing what you have- transmission? Rear gear ratio? engine condition/mileage? Next start planning by deciding on what you want when your finished. Share your thoughts with us and we'll share some ideas back at you. Be sure to read up on all this stuff here too.
Most of all enjoy the journey.
Adios, David
Yes it is. The 1983 version of the 200 has many of the best features ever available for a 200 six. And, yes, this head was used on 200s and 250s from 1980 to the end of production. What trans is in your car. More good news is that the '83 Futura line is built on the Fox platform, so many of the Fox Mustang stuff is a direct swap for suspension stuff.
The down side of this era of 200s is that they were the most crutched up with EPA fixes. Those most hurtful to improving performance are;
*The Holley #1946 carb is probably the most imposed upon carb ever, with vacuum, thermal, and electrical switches to improve emissions and economy.
*Next would be the advance cam timing, which was supposed to help low speed torque designed to crutch the too high rear end gear ratio.
*Too high rear end gear would be the next performance killer.
*Then the compression ratio is down to 8:1, down from 9.2:1 in '65 & '66, which hurts torque.
*And lastly, the exhaust is hindered by a fast burn catalytic converter attached to the exhaust manifold. This system was inefficient when new, and doesn't improve with age.
The pluses are;
*The best production head available, and it can easily be improved upon, by milling, three angle valve job and backcutting the intake valve.
*The best production air cleaner/climatic control system. It Provides hot air to the carb when it is cold and cool air when it is hot.
*The best production ignition system, the DuraSpark II.
So, start by assessing what you have- transmission? Rear gear ratio? engine condition/mileage? Next start planning by deciding on what you want when your finished. Share your thoughts with us and we'll share some ideas back at you. Be sure to read up on all this stuff here too.
Most of all enjoy the journey.
Adios, David
David,
Thanks for the lesson. I am only using the motor as a starting piont for an early Bronco transplant from a 170. So what should this notor produce if I bring the Cr back up to 9.5 ?? and add headers and what ever head work is needed ?? plus what you guys think would help thx
Thanks for the lesson. I am only using the motor as a starting piont for an early Bronco transplant from a 170. So what should this notor produce if I bring the Cr back up to 9.5 ?? and add headers and what ever head work is needed ?? plus what you guys think would help thx
early ford fan
Well-known member
you may need the fairmont trans too.an 83 engine should have a 2/3 v8 bellhousing pattern.
early ford fan
Well-known member
is the starter below the oil pan gasket area.
Howdy Again:
What trans did it have on it? The header and the increase of CR will solve two of the original shortcomings. Be sure to do a compression check before you get too far along. Make sure the bottom is in good shape. The Broncho transfer and gearing will take care of that issue. With the right carb and cam your early Broncho will be nearly levitating. You'll love the difference. It is hard to estimate powere levels because you'll be looking for a combo that you can lug along through the boonies. I'll run some numbers for you on the Compression calculator on our website. It also has a HP estimation. Check it out.
Adios, David
What trans did it have on it? The header and the increase of CR will solve two of the original shortcomings. Be sure to do a compression check before you get too far along. Make sure the bottom is in good shape. The Broncho transfer and gearing will take care of that issue. With the right carb and cam your early Broncho will be nearly levitating. You'll love the difference. It is hard to estimate powere levels because you'll be looking for a combo that you can lug along through the boonies. I'll run some numbers for you on the Compression calculator on our website. It also has a HP estimation. Check it out.
Adios, David
Howdy Back:
If I were you, I'd start a new topic and solicite advice on a cam for your application from those who have done it. YOu will want a torque cam, not an rpm cam. With fairly high lift and not too much duration.
With a torque converter in a C4 and 4.11:1 gears you've certainly solved the gearing problem.
With a stock bottom end, pistons down .025" in the bores, a .045" Victor head gasket, .070" milled off of the D8 head, getting the chamber volumes down to 48 ccs, your CR will be right at 9.1:1. This is assuming a stock bore and pistons. You could mill the head more, but that would leave little room for any future rebuilds. You'd be better off waiting until you need to go through the block and have the block decked to zero when fitting new pistons.
The calculator estimates that this engine will be putting out 128 HP @4,500 PRMs. That will require a carb capable of flowing 221 CFM. A Carter RBS one barrel is rated at 215 cfm. An Autolite 2100 1.02 or 1.02 is rated at 245 & 240 respectively. One of these would be my 1st choice for you four wheeling application.
Adios, David
If I were you, I'd start a new topic and solicite advice on a cam for your application from those who have done it. YOu will want a torque cam, not an rpm cam. With fairly high lift and not too much duration.
With a torque converter in a C4 and 4.11:1 gears you've certainly solved the gearing problem.
With a stock bottom end, pistons down .025" in the bores, a .045" Victor head gasket, .070" milled off of the D8 head, getting the chamber volumes down to 48 ccs, your CR will be right at 9.1:1. This is assuming a stock bore and pistons. You could mill the head more, but that would leave little room for any future rebuilds. You'd be better off waiting until you need to go through the block and have the block decked to zero when fitting new pistons.
The calculator estimates that this engine will be putting out 128 HP @4,500 PRMs. That will require a carb capable of flowing 221 CFM. A Carter RBS one barrel is rated at 215 cfm. An Autolite 2100 1.02 or 1.02 is rated at 245 & 240 respectively. One of these would be my 1st choice for you four wheeling application.
Adios, David
i just recently replaced a worn out 200 in my 66 bronco with a 1980 fairmont 200 i found. Only had 70K so didnt do any rebuilds. Bolted directly to my stock 3 speed. Used the Carter carb and exhaust manifold off old 200. Left the DS II ingition in place of course! Had to buy control module but wired up easy. Stripped all emission hoses off except necessary ones. Replaced valve/oil pan gaskets. Ran 2" pipe out the back w/ flowmaster muffler. Very pleased with motor. Doesnt run hot and pulls 33X9.50s down the road with no problem! Way more power than i ever had before! Someday i'll get around to spending some $$$ to rebuild the old block but this swap costed me nothing. Good luck.
66 Bronc
Virginia
66 Bronc
Virginia
