sgt1020 Posted December 29, 2010 Report Share Posted December 29, 2010 Along with porting and polishing my stock heads, what cams do you like better and would be a better option? Brenspeed's Detroit Rocker Cams, or FRPP's Hot rod cams? I know there are other cams that generate more hp but they require new springs and are way more $. Brenspeed's new detroit rocker cams promise 25-40 hp gains. I also think I like the sound of the detroit rockers better than the hot rods. Just looking for some other thoughts and opinions. Link to comment Share on other sites More sharing options...
Larry T Posted December 29, 2010 Report Share Posted December 29, 2010 I would be interested to know this as well Link to comment Share on other sites More sharing options...
fatboy Posted January 2, 2011 Report Share Posted January 2, 2011 hmm..yes i want to go with one of those 2 options. or somethin similar. i been thinkin of the FRPP Hot Rod cams for long time. i assume that the engine will need new tune program if we replace the stock cams. Brenspeed tune with thier Detroit Rocker cams? good combo? we want some opinions Link to comment Share on other sites More sharing options...
fatboy Posted January 2, 2011 Report Share Posted January 2, 2011 Along with porting and polishing my stock heads, what cams do you like better and would be a better option? Brenspeed's Detroit Rocker Cams, or FRPP's Hot rod cams? I know there are other cams that generate more hp but they require new springs and are way more $. Brenspeed's new detroit rocker cams promise 25-40 hp gains. I also think I like the sound of the detroit rockers better than the hot rods. Just looking for some other thoughts and opinions. how do they sound better? at idle, or reving...or etc? Link to comment Share on other sites More sharing options...
TheKurgan Posted January 2, 2011 Report Share Posted January 2, 2011 I would never put Brenspeed crap in my car. FRPP! Link to comment Share on other sites More sharing options...
sgt1020 Posted January 2, 2011 Author Report Share Posted January 2, 2011 I would never put Brenspeed crap in my car. FRPP! +1 I thought about it and said to myself I'd rather put a Ford Racing product in the car instead of some random mustang shops custom cams. I'm going with the FRPP Cams. Link to comment Share on other sites More sharing options...
springer Posted January 3, 2011 Report Share Posted January 3, 2011 I have the Hot Rod cams and they have a nice lopey sound and I'm still running the stock SGT exhaust. Very nice sound. Link to comment Share on other sites More sharing options...
fatboy Posted January 5, 2011 Report Share Posted January 5, 2011 ok i go with ford hotrod cams. any suggestions on tune upgrades? Link to comment Share on other sites More sharing options...
TheKurgan Posted January 6, 2011 Report Share Posted January 6, 2011 ok i go with ford hotrod cams. any suggestions on tune upgrades? Pretty much any of the speed shops can tune those cams via an email tune now. Link to comment Share on other sites More sharing options...
RACERX009 Posted January 7, 2011 Report Share Posted January 7, 2011 +1 I thought about it and said to myself I'd rather put a Ford Racing product in the car instead of some random mustang shops custom cams. I'm going with the FRPP Cams. I also have the hotrod cams love the sound I even lowered my idle so its even more lopy and rocks me to sleep. all I need is the sweet smell of racing fuel and burnt rubber and it will be heaven !!!! Plus love when people pull next to me and hear and see the car rocking I tell them it needs a tune up then smoke my tires sideways off the line. Link to comment Share on other sites More sharing options...
spacecoastshelby Posted January 7, 2011 Report Share Posted January 7, 2011 I would never put Brenspeed crap in my car. FRPP! Isnt the Detroit Rocker cam made by Comp Cams and just marketed under the Brenspeed name?? If so, seems like it would be a decent cam...I am trying to decide between the two as well. Link to comment Share on other sites More sharing options...
PaulFigueroa Posted January 21, 2011 Report Share Posted January 21, 2011 Can you run Hot Rod Cams with a Whipple? Link to comment Share on other sites More sharing options...
motorjock205 Posted January 21, 2011 Report Share Posted January 21, 2011 Can you run Hot Rod Cams with a Whipple? Well, some will say no, but I've heard Springer's car and it has the Hot Rod Cams and a Whipple and sounds GREAT! Guess maybe he needs to chime in here! :happy feet: Link to comment Share on other sites More sharing options...
07SGT4578 Posted January 21, 2011 Report Share Posted January 21, 2011 I think the aluminator motor comes with FRPP Hot Rod cams, correct ? Chris Link to comment Share on other sites More sharing options...
ARMORINE Posted January 21, 2011 Report Share Posted January 21, 2011 I think the aluminator motor comes with FRPP Hot Rod cams, correct ? Chris no that was the "hotrod" motor that made 350 hp. they no longer produce it Link to comment Share on other sites More sharing options...
ARMORINE Posted January 21, 2011 Report Share Posted January 21, 2011 Well, some will say no, but I've heard Springer's car and it has the Hot Rod Cams and a Whipple and sounds GREAT! Guess maybe he needs to chime in here! :happy feet: running cams like that with alot of boost is dangerous, it can lead to valve train failure. if your going to run boost you need a cam designed for boost. builds pressure better and you run less of a chance of breaking something. if i ever go to FI im going to probably run comp cams 127550 FI cams, they sound NASTY as hell and make alot of power Link to comment Share on other sites More sharing options...
07SGT4578 Posted January 21, 2011 Report Share Posted January 21, 2011 Thank u for the reply Chris Link to comment Share on other sites More sharing options...
ARMORINE Posted January 21, 2011 Report Share Posted January 21, 2011 Thank u for the reply Chris if you want a hot rod motr theyr easy to uilt though. i think the only thing that set them apart was tunning, heads, and the cams. though i cant remember for sure Link to comment Share on other sites More sharing options...
azspeed Posted January 22, 2011 Report Share Posted January 22, 2011 I have zero technical expertise, but I'm apparently one of the few that that is presently a Detroit Rocker Cam user. All I can say is I'm happy with the product and they do what Brenspeed says they would do. I don't have the experience to do a comparison, but here are the facts... 1. Bought the cams for around $700.00 and paid around the same for install and tune. 2. No need for springs and spacers etc. 3. Picked up 28 hp at the crank. 4. Has a real nice lopey sound...650 idle 5. Zero change in drivability...my tuner was shocked. Two tiny downsides... 1. Fairly quiet - I was expecting more...tuner said I should consider long tube headers 2. A little more rough at idle, but not when moving. Now, don't beat me up...I just drive the car and enjoy the car. Link to comment Share on other sites More sharing options...
slbgtsc Posted January 22, 2011 Report Share Posted January 22, 2011 I have zero technical expertise, but I'm apparently one of the few that that is presently a Detroit Rocker Cam user. All I can say is I'm happy with the product and they do what Brenspeed says they would do. I don't have the experience to do a comparison, but here are the facts... 1. Bought the cams for around $700.00 and paid around the same for install and tune. 2. No need for springs and spacers etc. 3. Picked up 28 hp at the crank. 4. Has a real nice lopey sound...650 idle 5. Zero change in drivability...my tuner was shocked. Two tiny downsides... 1. Fairly quiet - I was expecting more...tuner said I should consider long tube headers 2. A little more rough at idle, but not when moving. Now, don't beat me up...I just drive the car and enjoy the car. Their is a good thread on www.allfordmustangs.com about a Bullit that is FI and ran the thumpr cams, had some driveability issues so he switched to the Detroit Rockers for FI cars and the driveability really improved with out a loss of HP. IMO if you are FI you should stick with cams that are designed for FI and if you are NA then do the FRP cams. DR are on my list of wants for my FI car. Brenspeed has a great reputation and they drive what they sell. Link to comment Share on other sites More sharing options...
springer Posted January 22, 2011 Report Share Posted January 22, 2011 There have been some interesting posts here, some misinformation and a lot of guessing. Hopefully I can clear some of this up. The heads on the FRPP Hot Rod 4.6L engine are the same as found on the stock 4.6L GT. In fact, the FRPP Hot Rod engine is the same as a stock engine except for the cams and valve covers. The Hot Rod engine has a great sound and the cams work great with a Whipple supercharger or without it. Over-boosting any 4.6L is a recipe for failure - unless you have upgraded to forged internals. So yes, you can use a bigger cam with the Whipple, but keep the boost at the recommended levels, which is 10-11 lbs. Do I think the cams are worth the expense? I enjoy the added performance and the nice exhaust note with the additional 25-30hp the cams bring to the engine - so, yes, they are worth the extra dollars in my opinion. John ( GT/SC with the complete Hot Rod 4.6L engine, see my signature info below) Link to comment Share on other sites More sharing options...
ARMORINE Posted January 22, 2011 Report Share Posted January 22, 2011 i coulnt remember exactly what it came with. though im not quite sure why ford really had that motor offered sweet as it was. Link to comment Share on other sites More sharing options...
azspeed Posted January 22, 2011 Report Share Posted January 22, 2011 Their is a good thread on www.allfordmustangs.com about a Bullit that is FI and ran the thumpr cams, had some driveability issues so he switched to the Detroit Rockers for FI cars and the driveability really improved with out a loss of HP. IMO if you are FI you should stick with cams that are designed for FI and if you are NA then do the FRP cams. DR are on my list of wants for my FI car. Brenspeed has a great reputation and they drive what they sell. I mentioned my tuner suggested long tube headers, and you have them...Is it accurate to assume we wouldn't pass emissions with them? Link to comment Share on other sites More sharing options...
young768 Posted February 11, 2011 Report Share Posted February 11, 2011 There have been some interesting posts here, some misinformation and a lot of guessing. Hopefully I can clear some of this up. The heads on the FRPP Hot Rod 4.6L engine are the same as found on the stock 4.6L GT. In fact, the FRPP Hot Rod engine is the same as a stock engine except for the cams and valve covers. The Hot Rod engine has a great sound and the cams work great with a Whipple supercharger or without it. Over-boosting any 4.6L is a recipe for failure - unless you have upgraded to forged internals. So yes, you can use a bigger cam with the Whipple, but keep the boost at the recommended levels, which is 10-11 lbs. Do I think the cams are worth the expense? I enjoy the added performance and the nice exhaust note with the additional 25-30hp the cams bring to the engine - so, yes, they are worth the extra dollars in my opinion. John ( GT/SC with the complete Hot Rod 4.6L engine, see my signature info below) Did you have any loss of torque or horsepower at the low end with the FRPP Hot Rod Cams compared to stock? The builder / tuner I am considering using has said that the FRPP Cams produce less at the low end? Robert Link to comment Share on other sites More sharing options...
slbgtsc Posted February 11, 2011 Report Share Posted February 11, 2011 There have been some interesting posts here, some misinformation and a lot of guessing. Hopefully I can clear some of this up. The heads on the FRPP Hot Rod 4.6L engine are the same as found on the stock 4.6L GT. In fact, the FRPP Hot Rod engine is the same as a stock engine except for the cams and valve covers. The Hot Rod engine has a great sound and the cams work great with a Whipple supercharger or without it. Over-boosting any 4.6L is a recipe for failure - unless you have upgraded to forged internals. So yes, you can use a bigger cam with the Whipple, but keep the boost at the recommended levels, which is 10-11 lbs. Do I think the cams are worth the expense? I enjoy the added performance and the nice exhaust note with the additional 25-30hp the cams bring to the engine - so, yes, they are worth the extra dollars in my opinion. John ( GT/SC with the complete Hot Rod 4.6L engine, see my signature info below) How is it in traffic? any issues around town? Link to comment Share on other sites More sharing options...
springer Posted February 11, 2011 Report Share Posted February 11, 2011 Robert, where is your builder getting his information? Has he driven a GT/SC with the Hot Rod cams? Or is he basing this on word of mouth, cam spec sheets or dyno sheets comparing the two cams installed with a Whipple? My car pulls hard from down low, and is very responsive. Is the extra 20 or 30 hp worth it? If you are looking for a throatier sound, I'd say yes. In answer to the other question about driving around town, I can't really tell any difference in driveability compared to stock cams. My dyno sheet indicates 430 lbs. torque at 3000 RPM's. At 4000 RPM's it is 490 and at 4300 RPM's it is 494. The hp is 503 at 6200 RPM's. When I was at SA last time, I talked with Gil about the dyno numbers regarding the GT/SC conversions. Most of them dyno around 470 RWHP, give or take 5 or 10 hp either up or down. Mine dynoed at 503 RWHP. I also have the Revan Racing heat exchanger which also might help the dyno numbers. But, as we all know, there are many factors which can influence dyno numbers. Link to comment Share on other sites More sharing options...
slbgtsc Posted February 11, 2011 Report Share Posted February 11, 2011 I mentioned my tuner suggested long tube headers, and you have them...Is it accurate to assume we wouldn't pass emissions with them? My car is running LT with no cats so I am pretty sure it would not pass an emissions test. I don't have to worry about emissions where I live so I can't speak about Long Tube with cats being able to or not being able to pass emissions. Maybe someone with some experience on this will chime in. I would like to see the cam profiles of the comp cams stage II NSR , the Brenspeed DR for SC'd cars, and the FRP Hot Rods. None of them require cam phaser lockout, which I believe the comp thumpers do. Thanks for the info and real world experience. You can get the FRP for $799, detroit rockers are the same and the comps are $649-$659. JPC has a rewards program when you buy from them that you can apply to your next purchase. How tough is the install? Link to comment Share on other sites More sharing options...
azspeed Posted February 12, 2011 Report Share Posted February 12, 2011 My car is running LT with no cats so I am pretty sure it would not pass an emissions test. I don't have to worry about emissions where I live so I can't speak about Long Tube with cats being able to or not being able to pass emissions. Maybe someone with some experience on this will chime in. I would like to see the cam profiles of the comp cams stage II NSR , the Brenspeed DR for SC'd cars, and the FRP Hot Rods. None of them require cam phaser lockout, which I believe the comp thumpers do. Thanks for the info and real world experience. You can get the FRP for $799, detroit rockers are the same and the comps are $649-$659. JPC has a rewards program when you buy from them that you can apply to your next purchase. How tough is the install? Not a tough install for the DR according to my mechanic. I think about half a day to include the dyno and tune. Since the install, I went with shortie headers and a FRRP race muffler. Bottom line for less than $2,000.00 I've got the cam, the old school lope,a "little piss off the neighbors sound", another 35HP, and zero drivability issues. Link to comment Share on other sites More sharing options...
Sid Posted February 12, 2011 Report Share Posted February 12, 2011 I'm currently running the Blow by Racing (BBR) stage 1 cams. They are made by comp cams. They have a great sound at idle and perform very well. They do not require springs. I also got an email tune from them as well. It seens to be spot on. No issues what so ever. I have since installed several sets on other peoples cars. They are cut on a 114* CL. I installed these on a car running a paxton. The car really came alive. Getting ready to install a Edelbrock E-force on a car with these cams. Will let you know how it turns out. Link to comment Share on other sites More sharing options...
RACERX009 Posted February 13, 2011 Report Share Posted February 13, 2011 I have zero technical expertise, but I'm apparently one of the few that that is presently a Detroit Rocker Cam user. All I can say is I'm happy with the product and they do what Brenspeed says they would do. I don't have the experience to do a comparison, but here are the facts... 1. Bought the cams for around $700.00 and paid around the same for install and tune. 2. No need for springs and spacers etc. 3. Picked up 28 hp at the crank. 4. Has a real nice lopey sound...650 idle 5. Zero change in drivability...my tuner was shocked. Two tiny downsides... 1. Fairly quiet - I was expecting more...tuner said I should consider long tube headers 2. A little more rough at idle, but not when moving. Now, don't beat me up...I just drive the car and enjoy the car. I have shorty headers with the hotty cams and sounds nice all round !!! For the winter months I use my shelby as a mixer for my milkshakes !!!!!!!!!!!!!!! :koolaid: Link to comment Share on other sites More sharing options...
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