1993 4.6 dohc intech what makes this engine so desirable - Ford Mustang Forum
 
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post #1 of 11 (permalink) Old 02-02-2014 Thread Starter
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1993 4.6 dohc intech what makes this engine so desirable

hi every one I was do some searchin on the ol interweb I was doing research for different engine swap I could possibly do to the old crown vic and I keep getting things concerning the 1993 dohc and how its like almost a legend of sorts I know it was bases for the dohc cobra engines but y was that year such a great one to get and would there be any way to get it to run on obd 2 system or would I be making a mistake to get that engine was it decent on gas mileage and power or would I be blowing smoke lol

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post #2 of 11 (permalink) Old 02-03-2014
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I'm not aware that the engine itself is all that desireable, but the block so far as I'm aware would be a Teksid aluminum which due to weight savings over a cast iron would make it desireable. They are also known to be very strong castings, good for high hp builds.



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And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #3 of 11 (permalink) Old 02-03-2014
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Not really a legend but it was ground breaking in that it was Ford's first attempt at an aluminum block dohc 4 valve v8 . The B heads were improved in 96 by changing the combustion chamber shape to unshroud the intake valves . The gen1 96 is obd2 but retains the same coil pack ignition as the obd1 93-95 Marks . The 93-96 intake manifold can't be used for engine swaps due to firewall interference because of the throttle body location at the rear of the manifold . The gen2 97-98 Mark is cop ignition and has a redesigned intake manifold with a side mounted throttle body .

The aluminum blocks were cast in Italy be Teksid , have 6 bolt mains and can rev easily to 7000rpm . The B heads have no fuel injectors in the secondary intake ports therefore the secondary intake valves and the imrc's tend to gunk up over time as there is never fuel flow thru that secondary port even when the imrc's open up after 3500 rpm . This flaw was fixed with the introduction of the C head in 99 which uses a single intake port to feed both intake valves with one injector .

The CrownVic pcm can't control the imrc's so you would need delete plates if you wanted to use one of these engines for a swap .

2000 Spring Edition ZY Mustang GT Convertible ....BBK CAI , BBK 70 MM TB , Flows , Hypertech Tuner , Vogtland 1.6" Springs , Tokico HP , MM CC plates , Steeda flsfc's , Bullitt Calipers , D/S 13" rotors , 03 Cobra Alum 17" mini-spare , Chrome Saleen 18x9/18x10 , 265/295 35 Potenza's , sequentials , rear honeycomb , smoked headlites , tint , CDC Bar , Mach chin spoiler , black bullitt fuel door , speedster tonneau .
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post #4 of 11 (permalink) Old 02-03-2014 Thread Starter
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well If I were to get the teksid engine how big of a hassle would it be to swap and would the old trans that is in my car hold up to it or am I looking at complete swap
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post #5 of 11 (permalink) Old 02-04-2014
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Here is a good swap thread , will pretty much cover everything you need to know . There is tons of info out there on this swap . Best Lincoln engine to use would be the gen2 97-98 Lsc (290hp) , least desireable would be a 93-95 engine . Your tranny will be fine and if your engine is a Romeo (6 bolt) then the flywheel/flexplate will bolt up as well .

Infamous Lincoln Mark VIII engine swap thread.

2000 Spring Edition ZY Mustang GT Convertible ....BBK CAI , BBK 70 MM TB , Flows , Hypertech Tuner , Vogtland 1.6" Springs , Tokico HP , MM CC plates , Steeda flsfc's , Bullitt Calipers , D/S 13" rotors , 03 Cobra Alum 17" mini-spare , Chrome Saleen 18x9/18x10 , 265/295 35 Potenza's , sequentials , rear honeycomb , smoked headlites , tint , CDC Bar , Mach chin spoiler , black bullitt fuel door , speedster tonneau .
!996 Pearl White/Black Lincoln MarkVIII LSC .... stock
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post #6 of 11 (permalink) Old 02-06-2014 Thread Starter
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ok well the reason I keep hearing about the 93 is that the bottom end is supposedly stronger then the newer years but please any info that I can get on these engines is great thank you guys for posting
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post #7 of 11 (permalink) Old 02-06-2014
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You've been hearing wrong , all the Lincoln Teksid block/rotating assemblies are the same . The Cobra Teksid rotating assembly is stronger as it uses a forged steel crank and the slightly beefier Windsor rods . The early iron block 2v's in the Town Car/T-Bird/Cougar were weaker in the main bearing caps , 2 bolt vs 4 bolt . The early WAP aluminum block that replaced the Teksid in the 2001 Cobra was considered weaker due to a lower grade alloy used in the casting . This is why the supercharged 2003-4 Cobra's used the Romeo iron block from the GT .
I've had a 290 hp 96 MarkVIII LSC since it was 6 months old , very strong running car , far superior engine to the 2v .

2000 Spring Edition ZY Mustang GT Convertible ....BBK CAI , BBK 70 MM TB , Flows , Hypertech Tuner , Vogtland 1.6" Springs , Tokico HP , MM CC plates , Steeda flsfc's , Bullitt Calipers , D/S 13" rotors , 03 Cobra Alum 17" mini-spare , Chrome Saleen 18x9/18x10 , 265/295 35 Potenza's , sequentials , rear honeycomb , smoked headlites , tint , CDC Bar , Mach chin spoiler , black bullitt fuel door , speedster tonneau .
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post #8 of 11 (permalink) Old 02-09-2014 Thread Starter
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thank you for the info if you have any more info please keep it coming also has any one seen or done a swap like this in a crown vic I know im on a mustang site but you guys have helped a lot in the past with the ol t/bird and this is the main site I can find any info cause over on the cv forums the biggest answer I get is to put a chevy ls in it but at least hear I can get real answers about the modular ford engines thank you guys for being here
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post #9 of 11 (permalink) Old 02-09-2014
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I've seen video of an ls1 swapped CV , pretty impressive car . As far as a modular 4v swap it should be a pretty straight forward bolt-in . The C head WAP version of the 4v is available already in the Merc Maruader platform . The biggest issue would be an intake manifold with a drivers side throttle body and i don't believe they exist for the B head motor . The exhaust side is identical between the B & C heads so any header made for the Marauder should work with your existing midpipe . I would convert the B head motor to C heads and look for a Marauder intake manifold/throttlebody/throttle cable . Your stock ecm should run the engine fine but might need a dyno tune to dial it in for 91/93 fuel .
Another option if your CV is a PI motor would be to swap the PI 2v top end over to the Teksid short block . You'd have a nice 11.5:1 aluminum motor with everything being simple bolt-in .

2000 Spring Edition ZY Mustang GT Convertible ....BBK CAI , BBK 70 MM TB , Flows , Hypertech Tuner , Vogtland 1.6" Springs , Tokico HP , MM CC plates , Steeda flsfc's , Bullitt Calipers , D/S 13" rotors , 03 Cobra Alum 17" mini-spare , Chrome Saleen 18x9/18x10 , 265/295 35 Potenza's , sequentials , rear honeycomb , smoked headlites , tint , CDC Bar , Mach chin spoiler , black bullitt fuel door , speedster tonneau .
!996 Pearl White/Black Lincoln MarkVIII LSC .... stock
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post #10 of 11 (permalink) Old 02-11-2014 Thread Starter
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That would be an ideal compression for E85 or moon shine running machine but would I have to have above 87 to run the engine cause i really want to be able to run cheap gas I know cheaper gas usually means more expensive repairs lol
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Lol , 87 ? You want to use 87 ? My Mark8 , factory tune , premium fuel only man .

2000 Spring Edition ZY Mustang GT Convertible ....BBK CAI , BBK 70 MM TB , Flows , Hypertech Tuner , Vogtland 1.6" Springs , Tokico HP , MM CC plates , Steeda flsfc's , Bullitt Calipers , D/S 13" rotors , 03 Cobra Alum 17" mini-spare , Chrome Saleen 18x9/18x10 , 265/295 35 Potenza's , sequentials , rear honeycomb , smoked headlites , tint , CDC Bar , Mach chin spoiler , black bullitt fuel door , speedster tonneau .
!996 Pearl White/Black Lincoln MarkVIII LSC .... stock
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