tanman_2006 Posted December 30, 2014 Share Posted December 30, 2014 My dads 08 F250 5.4l kicked the bucket at 180k miles and started sounding bad by 130k. Now I get to find him a replacement engine fairly cheap since it is just his feed truck these days. I found a Vin L(non variable timing) from an f350 but his truck is a Vin 5(variable timing equipped). How hard is it to convert a 5 to an L and what issues might I have? Thanks Quote Link to comment Share on other sites More sharing options...
YT90SC Posted December 30, 2014 Share Posted December 30, 2014 You would need the PCM, wiring harness and probably trans as the 2 valve was mated to the 4R100 and the 3 valve was mated to the 5R110. Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted December 30, 2014 Author Share Posted December 30, 2014 I have a shop telling my it a direct swap other than the cam phazer plug not plugging in. Said they've done it before. Quote Link to comment Share on other sites More sharing options...
YT90SC Posted December 30, 2014 Share Posted December 30, 2014 I don't think they ever made a 3 valve non-vct 5.4L. They certainly didn't for 2008. What is the engine out of? The 2 valve and 3 valve will physically bolt in the same location and it may run, but with no VCT and the fuel/spark maps different, it wont be right. The trigger wheels for the cam sensor are different between the 2 valve and the 3 valve as well. Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted December 30, 2014 Author Share Posted December 30, 2014 Its out an 08 F350. I know it will obviously not have variable timing, the shop says they just leave the can phazer harness unplugged (there is no plug available for them because the engine isn't equipped for it). Is the only issue after its bolted in tuning maps? Couldn't a custom SCT tune make everything work right? Quote Link to comment Share on other sites More sharing options...
YT90SC Posted December 31, 2014 Share Posted December 31, 2014 When aftermarket cams are installed, most of the time they lock out the VCT's mechanically then tune it. There should be a tuner (maybe even an off the shelf unit) that should be able to do what you want. Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted December 31, 2014 Author Share Posted December 31, 2014 When aftermarket cams are installed, most of the time they lock out the VCT's mechanically then tune it. There should be a tuner (maybe even an off the shelf unit) that should be able to do what you want. Thanks any recommendation for a custom tuner? Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted January 1, 2015 Author Share Posted January 1, 2015 Bump, any ideas on a 5.4 friendly custom tuner? Just want someone I Bounce ideas off of possibly. Quote Link to comment Share on other sites More sharing options...
YT90SC Posted January 1, 2015 Share Posted January 1, 2015 Tune should be easy I would think. Heck some off the shelf tuners should be able to get it going. I'd start with SCT and see where that gets you. www.sctflash.com/index.php#3 Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted January 2, 2015 Author Share Posted January 2, 2015 So far I haven't heard of any tuners that know much about the difference in those engines. Anyone know an experienced tuner? Quote Link to comment Share on other sites More sharing options...
tanman_2006 Posted January 2, 2015 Author Share Posted January 2, 2015 (edited) OK, new question. Does it matter if the engine is 05-08 as long as it is Vin 5 3v? Been shopping on car-part.com and 08 is about the least common year. They don't give and option for anything other than Vin 5 5.4l in 08 (make me question the Vin l) Edited January 2, 2015 by tanman_2006 Quote Link to comment Share on other sites More sharing options...
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