h/c/i

[94excoupe]

heads-afr185
cam- f 303- can get for $50
intake- edelbrock perf rpm 2 already have this
engine stock 5.0

is this setup good. what would be the expected power

 

[revhead347]

Sounds like a good setup. The F cam is probably not the best given the size of those heads, but for $50, there is no argument.

Kurt

 

[Black95GTS]

300-310 rwhp is my guess. A cam change could get you 20-30 more.

Adam

 

[BlownFiveLiter]

If you have stock pistons, you're going to have piston-to-valve clearance issues with the 2.02 intake valve unless you cut larger valve reliefs.

 

[94excoupe]

its a 2000 explorer 5.0. are the pistons different than the mustang 5.0. which cam would u recommend?

 

[94excoupe]

are my 24 # injectors enough for this setup

 

[BlackVert]

are my 24 # injectors enough for this setup

depends on who you ask. i have 30# injectors and they are enough for me, so i think 24#ers should be fine for you. others will say go with 30s

 

[94excoupe]

so i should prob go biggerr esp since im sure i will do many more mods.

the valve clearance. im going to use 1.7 rockers. will the valves clear my pistons or what pistons do i need

 

[revhead347]

are my 24 # injectors enough for this setup

More than enough with that cam. Probably going to be enough regardless of what cam you have. You can just fly cut the pistons if it's going to be an issue. You'll need an old cylinder head to do it.

Kurt

 

[94excoupe]

i just checked up on that looks like it nay be difficult.is there anywhere to find out if its needed without claying them.

 

[Adam95GT]

i just checked up on that looks like it nay be difficult.is there anywhere to find out if its needed without claying them.

Really slapping some clay in there isnt that big of a deal and its the safe way to do it... i did it without a headgasket too to make sure there was more then enough room.

 

[revhead347]

+1. I would put clay in there. Playdoh from Walmart works fine.

Kurt

 

[94excoupe]

well yea i now it isnt but its alot of work takin off my current heads. i was just thinkin if i need diff pistons i could just rebuild the extra block i have. my current motor only has 66k miles.

 

[HankyGT]

Been there done that...there is no way to accomplish this without flycutting the pistons. The issue is not with the size of the cam, but the fact that the factory valve reliefs simply will not support a 2.02 intake valve used in a 19 degree setup (TFS TW heads get around this only by angling the valve). The stock reliefs issue is they are not wide enough, despite the added depth of the cam. Be sure to clay them as you go using playdough. It's a good idea to put a little oil on the playdough so it doesnt stick. Use an old headgasket, tq the heads down and use a solid lifter while assembling the valvetrain while claying. I believe you will want at least .030 clearance IIRC. The 1.7 rockers will only worsen this issue.

A 24# injector should support this just fine as it will make @ 320 rwhp depending on the dyno etc. If needed just bump the fuel pressure a tad.

 

[Adam95GT]

Been there done that...there is no way to accomplish this without flycutting the pistons. The issue is not with the size of the cam, but the fact that the factory valve reliefs simply will not support a 2.02 intake valve used in a 19 degree setup (TFS TW heads get around this only by angling the valve). The stock reliefs issue is they are not wide enough, despite the added depth of the cam. Be sure to clay them as you go using playdough. It's a good idea to put a little oil on the playdough so it doesnt stick. Use an old headgasket, tq the heads down and use a solid lifter while assembling the valvetrain while claying. I believe you will want at least .030 clearance IIRC. The 1.7 rockers will only worsen this issue.

A 24# injector should support this just fine as it will make @ 320 rwhp depending on the dyno etc. If needed just bump the fuel pressure a tad.

IIRC i had a bunch of room with my cam... but i have Keith black flat tops... i was always scared i checked it wrong... My heads are 2.02 intake valve highports. But it just started up last week with no metal on metal noise so i guess im in the clear

 

[94excoupe]

so what pistons should i use

 

[96darkhorse]

that setup will make some VERY GOOD power!!! the only thing thats gonna hold you back is the cam...i would go custom cam with that setup to get the full potential of that setup....i made 323/341 with tfs trackheats,eddy rpm,and fps custom cam and all supporting mods...if you go custom i think you can even pass my numbers with all supporting hardware

 

[94excoupe]

where would i go about gettin a custom cam? and would a 351w have the clearance for the valves?

 

[HankyGT]

i have Keith black flat tops

He has a stock shortblock. Of course aftermarket pistons offer larger reliefs

 

[Adam95GT]

He has a stock shortblock. Of course aftermarket pistons offer larger reliefs

exactly why he shouldnt mess with stock pistons... if your going to pull the heads to check PTV... and to possibly Fly cut. You might as well just get some new pistons rings and bearings


Engines are set up in "Combos" for a reason... All your parts should work together and complement each other... sometimes you learn that the hard way. Just start by setting up a plan and deciding exactly what you want to do.

Just because you can get the cam for $50 doesent mean you should put it in... if its a good deal buy the cam and sell it and get one for your set up.