Ford / Lincoln 4.6 DOHC
#1
Displacement > Boost
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Ford / Lincoln 4.6 DOHC
My redneck friends where I work will have nothing of me putting a chevy engine in my FC, they want me to get a DOHC ford 4.6 instead of the LS1. And I honestly don't care either way because it's still aluminum block and nearly 300 hp stock, and they are cheaper / easier to find than the LS1 because they came in a bunch of Ford cars.
So..... how does the wider DOHC engine fit in an FC? One member in here has a Northstar swap in progress which is about the same size.
So..... how does the wider DOHC engine fit in an FC? One member in here has a Northstar swap in progress which is about the same size.
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Originally Posted by 88IntegraLS
So..... how does the wider DOHC engine fit in an FC? One member in here has a Northstar swap in progress which is about the same size.
Second, you might want to recheck those demensions, as the 2 valve 4.6 and especially the DOHC 4.6 are absolutely enormous engines from a width standpoint, and while they are aluminum, they aren't a light as you may think.
Third, if it'll fit, that'd be the coolest looking car in the universe when you raised the hood. People would FREAK at the sight of something that massive in a little RX-7.
Good luck and I hope you can make it work! You'll definately be the first I've heard of to try it.
#3
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Ummm...Yeah.
Kick your redneck friends in the ***** and tell them that's a dumb idea. The modular engines are huge. For the record, the footprint on a 302 is almost the same as the LS1.
Check out how freakin huge that 4.6 is!
Kick your redneck friends in the ***** and tell them that's a dumb idea. The modular engines are huge. For the record, the footprint on a 302 is almost the same as the LS1.
Check out how freakin huge that 4.6 is!
Last edited by wingsfan; 05-08-05 at 08:52 PM.
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Well that sucks, maybe a 302 would be better. Anyone know where to find specs on 302's like weight, etc? Actually the rednecks I know have a lot of experience building 302s so they could set me up with a mean little motor.
#5
Rotary Freak
Pretty much stick with a pushrod engine. The modular Fords are great for making big power, but they're gargantuan. The 302 is actually a really tiny motor, and it fits well in an RX7's engine bay.
http://members.tripod.com/~grannys/2...dunderhood.jpg
302s are decent motors with cheap parts and a huge aftermarket, but a poorly matched transmission is what ruins that idea for me. The T-5 has bad gear ratios for a 4.11 rear end, and also has a maximum torque capacity of 300 ft-lbs.
http://members.tripod.com/~grannys/2...dunderhood.jpg
302s are decent motors with cheap parts and a huge aftermarket, but a poorly matched transmission is what ruins that idea for me. The T-5 has bad gear ratios for a 4.11 rear end, and also has a maximum torque capacity of 300 ft-lbs.
#6
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I would just go LS1 when talking about the DOHC why go something with less power, less displacement, much larger, and more weight with a similar cost and go into unknown territory in putting it in just because your friends don't like chevy or you want to be different? Also why put in a 302 when you can put in an LS1 for a little more money that once against has more displacement, similar weight and size, better transmission, and so many options to tune the ECU easily? There is a reason why the majority of the people are going with the LS1. It isn't hard to build a high power LS1 so why are you going to go 302 just because your friends can build it when you can most likely make more power for less with the LS1.
#7
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Lincoln 285hp 4.6s are cheap as dirt compared to the LS1, so is the mustang 5 speed tranny compared to the T56. I'm a poor engineering student who can fab up some freaky **** if needed, but I'd get the LS1/T56 for sure if I had $4k laying around.
I looked up some engine weights and it appears as if the iron block 302s are actually slightly lighter than the dohc 4.6 aluminum engines.... both weighing roughly 450lbs.
But check out how tiny the 302 is in the engine bay of that FC! Makes me think I actually could squeeze a 4.6 dohc in there, and I'm crazy enough to try.
I looked up some engine weights and it appears as if the iron block 302s are actually slightly lighter than the dohc 4.6 aluminum engines.... both weighing roughly 450lbs.
But check out how tiny the 302 is in the engine bay of that FC! Makes me think I actually could squeeze a 4.6 dohc in there, and I'm crazy enough to try.
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I looked up some engine weights and it appears as if the iron block 302s are actually slightly lighter than the dohc 4.6 aluminum engines.... both weighing roughly 450lbs.
But check out how tiny the 302 is in the engine bay of that FC! Makes me think I actually could squeeze a 4.6 dohc in there, and I'm crazy enough to try.
If you're hung up on running a Ford motor, why not go with a 351W? They fit in an FB (with a hood scoop), and the power potential is definitely there. Stretch's car runs low 9s, or did before he put it into a wall.
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Originally Posted by wingsfan
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Originally Posted by 88IntegraLS
I'm a poor engineering student who can fab up some freaky **** if needed, but I'd get the LS1/T56 for sure if I had $4k laying around.
plus the T5 tranny BLOWS.. its WEEEAAAAAAAAAK!
......T56 for evArrrrrrrr......
#11
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Maybe in a month or two when I'm out of school and working again I'll find a combo like that. I'd put it on the visa and pay it off in two months.
Regarding the infamous thought of putting a 4.6 northstar or lincoln / cobra 4.6 dohc V8 in my FC.......................
Well I went to a local wrecker this weekend and found said monster motors and took measurements.
Width is not a problem, both fit with about an inch or two to spare between strut towers.
Length is not a problem as the FC engine bay is very long.
Height unfortunately was a big problem. Though both behomoth 4.6s would clear my hood in back, neither would clear it (2-3" too high) in front without fuc#ing with my steering rack and sway bar.
Sooooooooooo............... I've come to the conclusion that it is possible to use a 4.6 dohc, either by cadillac or ford, if you're willing to cut up your hood. But I'm not going to do that.
Regarding the infamous thought of putting a 4.6 northstar or lincoln / cobra 4.6 dohc V8 in my FC.......................
Well I went to a local wrecker this weekend and found said monster motors and took measurements.
Width is not a problem, both fit with about an inch or two to spare between strut towers.
Length is not a problem as the FC engine bay is very long.
Height unfortunately was a big problem. Though both behomoth 4.6s would clear my hood in back, neither would clear it (2-3" too high) in front without fuc#ing with my steering rack and sway bar.
Sooooooooooo............... I've come to the conclusion that it is possible to use a 4.6 dohc, either by cadillac or ford, if you're willing to cut up your hood. But I'm not going to do that.
#12
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Just start collecting pieces for an LS1 setup, or buy a crashed car and part it out.
I'll have about 1500 in my LS1/4L60e with 51K miles when all is said and done.
You'll spend more money for less performance with the 302, though on the same note, you can get plenty of performance to make that FC a blast to drive.
I'll have about 1500 in my LS1/4L60e with 51K miles when all is said and done.
You'll spend more money for less performance with the 302, though on the same note, you can get plenty of performance to make that FC a blast to drive.
#13
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Just start squirreling away a little money at a time Jeff, eventually you'll get there.
If you have the space, the advice from digitalsolo is good and time tested. Buy a whole car wreck and start stripping absolutely everything out of it that you can salvage. You'd be surprised what people need/are searching for over at LS1tech.
If you have the space, the advice from digitalsolo is good and time tested. Buy a whole car wreck and start stripping absolutely everything out of it that you can salvage. You'd be surprised what people need/are searching for over at LS1tech.
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there was a FC with a sohc 4.6 on ebay not long ago. . did ahve a big cut up hood on it though. The seller said that he thinks he could get a dohc one in there
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i dont know what yall are smoking but i own a lincoln towncar (car with the DOHC 4.6L V8) and it only put 210 to the wells, i know this is with no modifications what so ever, but 385 compared to 210 is a huge difference.........btw the lincoln is for sale, has body damage in the back but the engine is still in perfectly good working order, need to get rid of it ASAP, its parked in my tahoe and rx7's spots
#17
Mechanical Engineering
Originally Posted by 88IntegraLS
... One member in here has a Northstar swap in progress which is about the same size.
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Originally Posted by owen is fat
plus the T5 tranny BLOWS.. its WEEEAAAAAAAAAK!
Not much spoken of is the g-Force T5. It's good for about 600 hp and an eqaul amount of torque in a 3200 lb car. Only down side is the $1600 price tag.
And while the T56 is an outstading trannsmission, they are not finacially viable for the Ford Windsor family of engines at this time. Buy in is at least $2000 to $2500 for a Windsor spec T56.
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Originally Posted by wingsfan
Link? I find it hard to believe that 4.6 is only 450#. I'd heard much more than that.
#20
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Originally Posted by capn
and the northstar ready to run is about 413 lbs, bare about 400lbs. so weight no is no problem. and the motor is JUST BIG. its 28 inches wide 31 inches long and 26 inches high which is much bigger then an LS1. but with all that aside its gonna be a nice powerplant with smooth delivery and 32 valves of fun!!
pics to prove it can fit.
if i can get that to fit, im sure you can get yours to fit. btw a friend of mine that works with motors says that photo of the 302 and the 4.6 dohc is very misleading and they arent as different in size as the photo makes them out to be.
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Originally Posted by razorback
btw a friend of mine that works with motors says that photo of the 302 and the 4.6 dohc is very misleading and they arent as different in size as the photo makes them out to be.
The 4.6 DOHC engine is 30" wide, the 302/5.0 is 18" wide. 12" is alot of width.
BTW... what engine is that in your pics? Mopar?
#23
Mechanical Engineering
Originally Posted by tjm73
4.6 is heavy! Like 650 lbs with aluminum heads (big block 460 weighs about the same). 302 is about 450 lbs though.
and i think you have it mixed up an iron block big block engine weighs about 650 lbs
Originally Posted by tjm73
I gotta call BS... no offence to you or your friend. Go look under the hood of any 94-95 Mustang GT and take note of the engine width and the outer edges of the valve covers. Then go find any Mustang Cobra '96-'04 and take note of the engine width at teh outer edge of the valve covers (cam covers?). HUGE difference in width. Those cars have the exact same engine bay dimensions.
The 4.6 DOHC engine is 30" wide, the 302/5.0 is 18" wide. 12" is alot of width.
BTW... what engine is that in your pics? Mopar?
The 4.6 DOHC engine is 30" wide, the 302/5.0 is 18" wide. 12" is alot of width.
BTW... what engine is that in your pics? Mopar?
My 4.6 is 28 inches wide, and WTF 18 inches? thats barely the width of some 4 cylinders
Originally Posted by razorback
your motor isnt much bigger than mine, and i have a carb on top, and i can STILL close my hood, my motor is a little wider, and almost as long.
this picture sorta explains the deal here, the block may be about the same size its just the heads stick out much farther then an OHV head. thanks to V8mr2.com for the great reference shots
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Call bullshit all you want. I based my response on numbers from Ford...the manufacturere of the engines. I think they know what thier stuff weighs and how wide it is.
There were/are many versions of the 4.6 DOHC and as such several different weight engines. The Mach 1 engine intake to oil pan is listed on the Ford Racing Parts website at 614 lbs. Look at this website and gleen what you want from it. A fully dressed Ford 4.6 DOHC weighs at least 575-600 lbs.
http://home.att.net/~marksmoore/Weights.htm
We'll I got my engine width numbers from Ford Racing Parts so you can call them up and tell them they're full of ****. www.fordracingparts.com open the current 2005 catalog and go to page 155.
Originally Posted by capn
Ahh bullshit, my 4.6 fully dressed weighs in just shy of a fully dressed LS1 and thats 460lbs
and i think you have it mixed up an iron block big block engine weighs about 650 lbs
and i think you have it mixed up an iron block big block engine weighs about 650 lbs
http://home.att.net/~marksmoore/Weights.htm
Originally Posted by capn
Bullshit once again
My 4.6 is 28 inches wide, and WTF 18 inches? thats barely the width of some 4 cylinders
My 4.6 is 28 inches wide, and WTF 18 inches? thats barely the width of some 4 cylinders
#25
Mechanical Engineering
i said MY 4.6 i was refering to the Northstar engine which as listed wieghs 464lbs
and you said 650lbs in your original post and the engine is 576, i think 74lbs is more then just an oversight. and in that list is a DOHC motor that is 464 lbs also. but out of curiosity i want to know whats making that extra 100 pounds in the last motor?
Ford 4.6 DOHC 464 (72) 9 pounds lighter than SOHC
Ford 4.6 DOHC 437 (77) w/o accessories
Ford 4.6 DOHC 521 (94) aluminum block and heads
Ford 4.6 DOHC 576 (168) Mustang
and i guess i am mistaken on the width of a 302
and you said 650lbs in your original post and the engine is 576, i think 74lbs is more then just an oversight. and in that list is a DOHC motor that is 464 lbs also. but out of curiosity i want to know whats making that extra 100 pounds in the last motor?
Ford 4.6 DOHC 464 (72) 9 pounds lighter than SOHC
Ford 4.6 DOHC 437 (77) w/o accessories
Ford 4.6 DOHC 521 (94) aluminum block and heads
Ford 4.6 DOHC 576 (168) Mustang
and i guess i am mistaken on the width of a 302