alright i'm new on this forum and i need some help. i currently have an 02 mustang gt. it has the 4.6 liter 2 valve engine. for a while now i have been thinking of swapping in the 5.4 cobra engine, or would it be better to just upgrade the hell out of my 4.6? and if i go with the 5.4 how hard is it to swap from the 4.6 to the 5.4? any help would be appreciated.
engine questions
- Thread starter mustangman666
- Start date
the98stang
Active Member
. Insanely fast.the saleen SR had the blown 5.4 wickid car.
the 4.6 and the 5.4 are each cake to swap in (as far as swaps go) issue is the 5.4 takes some mad cash to get to the power output they need to be at. if you want a 5.4 to be worth it prepare to drop 10k... thast just parts.
a 4.6 is more practicle in all aspects... sadly.
Torinalth
the 4.6 and the 5.4 are each cake to swap in (as far as swaps go) issue is the 5.4 takes some mad cash to get to the power output they need to be at. if you want a 5.4 to be worth it prepare to drop 10k... thast just parts.
a 4.6 is more practicle in all aspects... sadly.
Torinalth
Nater
New Member
I would also think that you would need a bigger hood. Wait, now I remember something else--people have dropped the Lightning engine in there and needed quite a cowl to cover it.
you really think you can get by on a stock block to 600-800 hp? i think you need to do some searching. the internals will blow out at around 450+, the block will hold, but the crank will go out around 500-550. the tranny will drop around 550-600. if you are going slicks then around 400-500 depending on your gear set will frag everything from the tranny on back to the wheel hubs (axles, differential, u joints, driveshaft)
i dont think you really understand the concept of how much cash its going to take to get that power and be able to use it. you are talking massive money. its doable, dont get me wrong. gijoe has his TT bullitt making 750, 2.2KB mustangs making 700+, paxton 2000 blown cars making 650+..... it can be done, but you are going to have to go top end EVERYTHING to make it get down the track.
Torinalth
i dont think you really understand the concept of how much cash its going to take to get that power and be able to use it. you are talking massive money. its doable, dont get me wrong. gijoe has his TT bullitt making 750, 2.2KB mustangs making 700+, paxton 2000 blown cars making 650+..... it can be done, but you are going to have to go top end EVERYTHING to make it get down the track.
Torinalth
hognutz
New Member
hp is irrelevant IMO.
1. set a budget
2. set and et goal.
I mean a correctly setup car can run 11's with 400hp at the wheels.
you have to remeber your transmision and rear end are done at that kind of power level. so if you really wanted 600hp you would have to upgade these things.
one forged bottom end ~$3000
rear end ~$1200
~tko or t-56 tranny $2500min
boost ~6k min
by my math if you don't have ~13k sitting around you can't even think abou this kind of power.
now if you say stayed at 400rwhp and settled for low 12s or high 11's you may get away with
boost ~$5500
rear end upgrade ~1200
1. set a budget
2. set and et goal.
I mean a correctly setup car can run 11's with 400hp at the wheels.
you have to remeber your transmision and rear end are done at that kind of power level. so if you really wanted 600hp you would have to upgade these things.
one forged bottom end ~$3000
rear end ~$1200
~tko or t-56 tranny $2500min
boost ~6k min
by my math if you don't have ~13k sitting around you can't even think abou this kind of power.
now if you say stayed at 400rwhp and settled for low 12s or high 11's you may get away with
boost ~$5500
rear end upgrade ~1200
you are going to need a forged bottom end, and good one too. you are looking at around 3-5k for just the shortblock. you will need a centrifugal blower (dont think the KB 2.2 can put out the power for those times.. but dont quote me) or a turbocharger... look into around 5-7k for that depending on which route you take. the TT setup from modular powerhouse will get you there, and so would the paxton novi 2000 blower. you will need a lot of boost, and a lot of power.
you will need to replace the transimition. TKO 600 at the bare minimum if not T56 or an AODE tranny. there are also build T5 transmitions from companies out there as well.
you will need either a spool rear end, or at the very least something along the lines of an auburn pro or eaton posi for your differential. at the least 31 spline axles. an aluminum driveshaft as well will be needed.
clutch will need to be fairly high end if you go for manual, if AODE then you are looking at around 2500-3000 stall on the TC.
and then there is the suspension. prolly want to be running drag springs and lakewood shocks, if not air bags. LCAs, and probably UCAs. also dont forget the roll cage.
get the roll cage, and LCAs/UCAs first, follow that with the suspension and rear end, get your power adder and run it at low boost and cap around 400 HP. follow that up with a shortblock and raise the power to around 500, get the tranny and driveshaft and be ready to start breaking parts as you raise the power output.
i am not a drag guy, not building my car that way, but these are just the basics of what needs to be done. of course there are more details invoved, but i gave the highlights.
Torinalth
you will need to replace the transimition. TKO 600 at the bare minimum if not T56 or an AODE tranny. there are also build T5 transmitions from companies out there as well.
you will need either a spool rear end, or at the very least something along the lines of an auburn pro or eaton posi for your differential. at the least 31 spline axles. an aluminum driveshaft as well will be needed.
clutch will need to be fairly high end if you go for manual, if AODE then you are looking at around 2500-3000 stall on the TC.
and then there is the suspension. prolly want to be running drag springs and lakewood shocks, if not air bags. LCAs, and probably UCAs. also dont forget the roll cage.
get the roll cage, and LCAs/UCAs first, follow that with the suspension and rear end, get your power adder and run it at low boost and cap around 400 HP. follow that up with a shortblock and raise the power to around 500, get the tranny and driveshaft and be ready to start breaking parts as you raise the power output.
i am not a drag guy, not building my car that way, but these are just the basics of what needs to be done. of course there are more details invoved, but i gave the highlights.
Torinalth
