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April 22nd, 2008, 10:09 AM
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 #1
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Regular
Join Date: Jul 2007
Posts: 95
 iTrader: 0 reviews
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Cam Swap Compete: 5.4 GT
Cams are installed and the car's running pretty good.
 It definitely needs tuned now, but it still runs smooth. It seems to have a little bit of an idle problem, and it has a little trouble starting. It wasn't as bad as we were expecting. We had to use the engine hoist to lift the motor on one side so it was tilted in the engine bay. It was very tight, but were able to remove and reinstall the valve covers without actually pulling the engine. Took us about an hour to get one bolt out, though.  Once we figured out how to get to it, it wasn't that bad. If it was a 4.6L, I think we could have done everything in one afternoon.I drove it for about 150 miles and then changed the oil last night. Drove it to work this morning and its running awesome. One of the problems with the 5.4 SOHC stock is that it really dropped off after about 4500 rpm, well with the new cams it pulled hard up to about 5200 but i stopped. It felt like it would keep going  . We installed VT Stage 1 Cams.I order a UPR cold air intake and a C&L plenum and 75mm TB this morning and hope to have it installed next week. I will be getting it dyno tuned mid next month. Here's some videos.     
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April 23rd, 2008, 12:24 PM
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#2 |
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Regular
1999 GT Black Coupe
Join Date: Mar 2007
Location: Oregon
Posts: 70
iTrader: 0 reviews
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Nice work....watch the plastic intake for a crack under the hose clamp...mine broken few months back and I was too late to get the free swap out from Fords lawsuit. $700 later....
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#33243 5 Speed w/ Trac-control |
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April 23rd, 2008, 01:28 PM
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#3 |
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Enthusiast
2000 Mustang GT
Join Date: Jan 2007
Location: Virginia Beach
Posts: 986
iTrader: 0 reviews
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That's GREAT...
I'm about to be in the process of a 5.4 swap my self. I'm a few parts short of a complete swap and i already have bolt-ons, exhuast, ported heads and cams...I don't want to get rid of the long tubes so im planning on modifying them to fit. Good luck.. I bet with some bolt-ons that thing would be one nasty beast.. You've caught my interest with this one...keep me updated...thanks.. 
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April 26th, 2008, 10:14 PM
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#4 |
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Hardcore Enthusiast
2004 Mustang GT
13.1@105
Join Date: Oct 2007
Location: Houston
Posts: 2,237
iTrader: 7 reviews
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have any of you guys gotten past the exhaust issue? i'm looking to do the swap but i'm stumped on what i need to do with the exhaust (keeping the shorties)
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2009 Super-Stangs Fantasy Football League Champion
Thanks Brees! |
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April 30th, 2008, 08:41 AM
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#5 |
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Regular
Join Date: Jul 2007
Posts: 95
iTrader: 0 reviews
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CAI TB and Plenum Installed!
I was able to get the UPR CAI, Accufab 75mm TB and the C&L Plenum installed yesterday. Took it for a spin and it is really running good. I am installing the Dynomax Cat Back tonight and hope to have some videos up by tomorrow. Enjoy the eye candy
             
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May 1st, 2008, 01:44 AM
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#6 |
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Regular
Join Date: Jul 2007
Posts: 95
iTrader: 0 reviews
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How about a Video?
So here's the video after i finished up the install of the Dynomax Cat Back... its dark but its the sound that matters right ?
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May 2nd, 2008, 08:16 PM
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#7 |
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Regular
1997 mustang gt
8.06 at 87mph 1/8th mile on a 50 shot
Join Date: Nov 2006
Location: clarksville TN
Posts: 284
iTrader: 0 reviews
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nice i like alot. have you got it tunned yet and had it been on a dyno with the 5.4 in it. also what did you use for exhaust manifolds, or headers
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97 gt with 2004 pi motor,acufab intake and 75 mm bbk cold air kit,bbk long tube headers, off road h pipe,2 chamber flow, 3:73, diablo chip with dyno tune 269rwhp 301rwtq 5.4 SOHC FOR SALE pm me for details |
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May 2nd, 2008, 09:16 PM
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#8 |
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Hardcore Enthusiast
06 GT with bolt ons
I sucked
Join Date: Oct 2006
Location: Cheese country!! aka WI
Posts: 1,090
iTrader: 0 reviews
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Sounds nice, better than my 06!
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Kyle Busch Haters Club!! Member Uno! Tony wrote "Blowers blow, turbos suck, and nitrous rules!!! lol " Borla cattless L/T's topped with Flowmasters , Roush short throw, JLT2 CAI w/ X-CAL2 from Brenspeed, Bullit 18X9 and 18X10 deep dish. |
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May 6th, 2008, 12:12 PM
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#9 |
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Newbie
Join Date: Apr 2008
Posts: 3
iTrader: 0 reviews
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Do you guys have before and after time slips or dyno #s? I wanted to know the improvement the 5.4 offers over the 4.6, besides the extra torque. The swap is something Im interested in doing when my 4.6 kicks the bucket.
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97 GT Conv, 5 speed, PI swapped, bolt ons. |
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May 6th, 2008, 05:19 PM
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#10 |
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Regular
Join Date: Jul 2007
Posts: 95
iTrader: 0 reviews
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Well i don't have a dyno slip before the swap. I am getting it dynotuned next weekend so i will have one after the swap
Had it at the track once before the swap and ran a 15.2 something.... completely horriable. I spun the tires off the line 
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May 7th, 2008, 11:03 AM
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#11 |
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Regular
1997 mustang gt
8.06 at 87mph 1/8th mile on a 50 shot
Join Date: Nov 2006
Location: clarksville TN
Posts: 284
iTrader: 0 reviews
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sweet keep us posted
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97 gt with 2004 pi motor,acufab intake and 75 mm bbk cold air kit,bbk long tube headers, off road h pipe,2 chamber flow, 3:73, diablo chip with dyno tune 269rwhp 301rwtq 5.4 SOHC FOR SALE pm me for details |
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May 7th, 2008, 11:23 AM
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#12 |
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Regular
Join Date: Jul 2007
Posts: 95
iTrader: 0 reviews
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May 7th, 2008, 05:07 PM
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#13 |
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Enthusiast
Join Date: Sep 2006
Posts: 991
iTrader: 0 reviews
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nice man! sounds really good
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May 7th, 2008, 06:44 PM
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#14 |
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Proud American
 
1996 Mustang GT
Join Date: Dec 2006
Location: Lakewood, CO
Posts: 10,692
 iTrader: 3 reviews
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going to be starting something really similar soon. I think i am going 5.4 but maybe that i will go 4.6 with aluminum block.
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RIP Travis Billings  Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars |
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June 22nd, 2008, 11:58 PM
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#15 |
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Regular
Join Date: Jul 2007
Posts: 95
iTrader: 0 reviews
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Well i did get it tuned and dynoed. Made 261hp and 321tq .... i was kind of disappointed with hp numbers but the tq numbers were spot on with what i figured.
 Mustang 418...Smokin' LS1's in 2006! |
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June 25th, 2008, 05:38 PM
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#16 |
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Hardcore Enthusiast
1997 Mustang GT
Faster than an s4
Join Date: Aug 2007
Location: Seattle, WA
Posts: 1,598
iTrader: 0 reviews
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Wow, that is down right dissapointing. You need a new cam and intake manifold. I mean, considering the dissplacement differance, all you did was going torque over a GT with New Exhaust. I know you just got it tuned, but that is a truck motor. Your intake is designed for mid not High RPM's. I don't mean to bash your car or anything. That is bad ass that you did the swap, and that torque will translate to around 400hp with a new intake. The stock designs are just not ment for a car. You got a bad ass engine man, but it needs some tweeks.
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June 25th, 2008, 10:25 PM
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#17 | |
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Enthusiast
2000 Mustang GT
Join Date: Jan 2007
Location: Virginia Beach
Posts: 986
iTrader: 0 reviews
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I agree though... I'd expect the power numbers to be higher... |
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June 26th, 2008, 12:42 PM
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#18 |
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Hardcore Enthusiast
2004 Mustang GT
11.463@121.50
Join Date: Jun 2007
Location: SE PA
Posts: 1,644
iTrader: 1 reviews
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Real nice torque curve.
I think our stock modular 2V heads really hold us back. I just had a Comp 262AH set of cams installed and dyno tuned and I only managed 265rwhp at 4900 rpm. I've got all of the other bolt ons except headers and pullies. Ported heads will probably give you a nice boost up top. |
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June 26th, 2008, 02:27 PM
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#19 |
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Enthusiast
2001 GT
Join Date: Dec 2007
Location: Bivalve MD
Posts: 575
iTrader: 1 reviews
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swapping a 4.6 2v for a 5.4 2v is not worh the hassle in my opinion. I have done 2 of them for friends and they still get there buts kicked by the 4.6's
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 03 Mach 1 full eaton swap, 18" chrome bullitts, H&R springs, 5.0 shifter, slp2, mac catted H, FRP 4.10's,443 RWHP/ 386 TQ |
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June 26th, 2008, 05:19 PM
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#20 | ||
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mm's nitrous mod
2000 mustang gt
11.79@115.83 (old set up)
Join Date: Oct 2006
Location: N.W. AR
Posts: 12,542
iTrader: 8 reviews
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the stock design is plentiful till around 6200rpm or so. the 5.4 is same bore and longer stroke. there is not an aftermarket manifold that has really prove itself yet. there are a couple that do ok, but most will loose torque and power below 4k rpm's, and barely out do the stocker above that.
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 project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance |
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LinkBacks (?)
LinkBack to this Thread: http://www.moddedmustangs.com/forums/modular-mustangs/67472-cam-swap-compete-5-4-gt.html
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| Posted By | For | Type | Date | |
| YouTube - 5.4 Mustang GT Cammed Dynomax | This thread | Refback | August 26th, 2008 04:27 PM | |
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