skauldy Posted March 2, 2014 Share Posted March 2, 2014 Hi folks, Have been reading up on cams for the 4.6. There is a serious amount of choice and not all ideal for the 4.6. I'm looking for low down torque but as this will also be my daily driver i also need to keep mid range decent if this is possible. What would you's recommend. Thanks. Quote Link to comment Share on other sites More sharing options...
elbekko Posted March 3, 2014 Share Posted March 3, 2014 Always heard good things about the Piper Torquemax. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 3, 2014 Share Posted March 3, 2014 This is what I run, no complaints so far: Quote Link to comment Share on other sites More sharing options...
skauldy Posted March 3, 2014 Author Share Posted March 3, 2014 Great. Think I seen this cam on v8 tuner. That's lads Quote Link to comment Share on other sites More sharing options...
need4speed Posted March 3, 2014 Share Posted March 3, 2014 Real Steel "stump puller" well worth looking into.. Quote Link to comment Share on other sites More sharing options...
skauldy Posted March 3, 2014 Author Share Posted March 3, 2014 I was reading that you would have to do some mods to the springs and something else. Was originally looking at it but then read a comment it's old at this stage and there are much better cams on the market for 4.6's. Not my opinion just a comment I read. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted March 4, 2014 Share Posted March 4, 2014 Eh? My piper went straight in, everything else is standard. V8Tuner comes highly recommended too. Quote Link to comment Share on other sites More sharing options...
skauldy Posted March 4, 2014 Author Share Posted March 4, 2014 Can't find where I read it now. Was something about stopping spring bind on the valves. Quote Link to comment Share on other sites More sharing options...
Bull Bar Cowboy Posted March 4, 2014 Share Posted March 4, 2014 If you use a 'stump puller' the extra valve lift will require the tops of the guides to be machined (IIRC 100thou) and different springs ......... the OEM srings will bind at full compression. With this cam, Rhoads bleed down lifters are a 'must have'. IIRC the Piper will go straight in with no real issues. Cam build lube and the correct running in of the new cam / lifters is very important. If the 4.6 is for normal everyday use, then you have to decide where to draw the line between 'drivability' and 'performance torque' ............. if in doubt then always go for the milder cam. Quote Link to comment Share on other sites More sharing options...
skauldy Posted March 4, 2014 Author Share Posted March 4, 2014 If you use a 'stump puller' the extra valve lift will require the tops of the guides to be machined (IIRC 100thou) and different springs ......... the OEM srings will bind at full compression. With this cam, Rhoads bleed down lifters are a 'must have'. IIRC the Piper will go straight in with no real issues. Cam build lube and the correct running in of the new cam / lifters is very important. If the 4.6 is for normal everyday use, then you have to decide where to draw the line between 'drivability' and 'performance torque' ............. if in doubt then always go for the milder cam. Mon-fri i drive 5 mins to work and 5 mins home. Would rather go for the low down torque for playing. What's the procedure for bedding in a cam. Quote Link to comment Share on other sites More sharing options...
Bull Bar Cowboy Posted March 4, 2014 Share Posted March 4, 2014 At least 20 minutes of continuous running at a max of 2500 rpm and never letting it drop below 1500 rpm ........... then change the oil. The cam lobe build lube is important as it is a moly with high zinc content ............ this avoids metal to metal on the initial start up. Quote Link to comment Share on other sites More sharing options...
skauldy Posted March 5, 2014 Author Share Posted March 5, 2014 Thanks cowboy. Quote Link to comment Share on other sites More sharing options...
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