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I keep seeing that a cam is good bang for your buck. and ive seen alot of options but i will tell you a little about my truck and its uses so maybe i can get a good idea from someone as to witch cam to use. i have a 95 f150 supercab shortbox with the 302 i have stock gearing and i run 32" tires. and i pull an 18' car trailer alot so im looking for more power to pull and for the occasional offroad trip. i do plan on changing gears but money is tight so i wanna do the cam first. can i buy just a cam or do i need new spring or rockers or lifters also. also what is meant by a roller cam or as ive been told a roller motor. i also am putting on a set of shorty headers and using the stock Y pipe but running a non cat exhaust. any help would be great. thanks in advance
this is just from asking around various people (10+) that I know who work on cars and trucks both professionally and non professionally and they have said mixed things about getting more HP but a turbo may help some, im not entirely sure tho as ive gotten mixed views on turbos but as for cams it should be pretty straight forward, there are a few threads related to this about the cam/rocker arms and springs and the like, ill see if i can find them for ya to get you started but from what i remember from the threads is that if your using a cam thats more or less close to stock tolerances you should be good, again mixed opinions on the use of new/old springs, so maybe one of the more experienced guys who have some this type of thing can chime in and tell more of what they did.
A turbo is a very effective way to add power to any engine. The devil is in the details. Assuming you find the right turbo for your application and all the bits you need to install it, you will most definitely need a tuned chip for that set up. You should have it professionally tuned on a dyno for best power and safety. It is very easy to destroy a motor with too much boost or insufficient fuel (not rich enough mixture). I imagine they make turbo or supercharger kits that will bolt on to your motor. Just make sure you have lots of $$ and very good technical skills or professional help.
Your 95 is a roller motor so you won't need new lifters or need to break the cam in , the 95 cam isn't bad , a set of 1.7 ratio roller rockers will give the cam more lift , the HO cams are good and cheap and easy to come by , headers and gears are good , long tubes being better....with 32s i would use something like 4.10 gears.....Lew
The roller refers to the lifters. Look on Wikipedia and you will find roller lifters, hydraulic roller lifters, and flat tappet lifters.
As for the cam, I am not as familar with that year truck but if you have an SD system (and not MASS Air) then you will need to be sure that the cam you use isn't too big, otherwise the motor won't run well. the SD (speed density) systems can't handle much change.
Turbos are good, they are a lot of money as are superchargers. A supercharger might be cheaper and will be a little less HP but I think you would be happy with it. I run a supercharger on my 92 F150, 351W and am very pleased. I don't tow like you do but one of the things I like about a supercharger vs. a turbo is that the supercharger is 'always on' since it is belt driven whereas the turbo needs to be engaged by a certain amount of exhaust so it isn't always on. Anyway, there are positives and negatives to each, do your research.
I have a 95 f150 supercab shortbox with the 302 i have stock gearing and i run 32" tires. and i pull an 18' car trailer alot
You need 4.10, longtube headers, and either 1.7 rockers with the stock cam or swap in the Compcams 35-512-8. You don't absolutely need any other engine parts with this cam swap besides replacement gaskets, though new valve springs and a timing set aren't a bad idea.
i had planned on new timing set when i do it but ive been told i need lifters when i put a new cam in. i already have a set of shortyheaders i picked up new for $30 never installed so im gonna run them. are the rockers asn absolute must or can that wait as money allows. i plan on running 4.56 gears i plan on switching to 33" tires. what will give me the most power increase the rockers or the cam. and mine is the mass air. thanx for all the help ive gotten
Are the headers you have truck specific? If they are Mustang headers they will not mate with your Y pipe.
You do not need new lifters when replacing a roller cam, that only applies to flat tappet cams. The cam will produce the most gains, and note I'm not suggesting you install a cam and rockers, but one or the other.
you never did mention how many miles are on the motor if it is high milage then anything you do can shorten the life of the motor so a rebuild with a cam and headers may be a better way to. thats my plan for mine as well
the engine that i put in it came out of my dads wrecked 93 that only had 37000 on it. it was a reman motor it has 42000 on it now. and yes the shorty headers are for truck. what do you think will give me the biggest increase in power the rockers or the cam. and thanx again for all the help
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