You could see 20-30 hp from a good head port job, that's increased further with a better set of cams and manifold

 

Have you ever ported a 3-valve head? Or any heads for that matter? It's not like you can just take a dremel and start removing material.

 

Heck we'd all do it lol

 

Have you ever ported a 3-valve head? Or any heads for that matter? It's not like you can just take a dremel and start removing material.

Thats exactly what I was going to do Im glad you talked me out of it. I just know itd be cheaper to get my heads ported then buy new, but I wasnt sure about the power difference. but Im currently running FRPP cams, cai, and catback, I just need more go juice.

 

no o/r midpipe or anything..just catback? what do you have for a tune

 

I have a OR gibson xpipe, and Im running a BAMA tune right now. but I would like to get to a dyno

 

What cams are you running, hot rods? If so I would swap those out first. Then exhaust (headers). Indon't know how much can be gained from porting your heads until you have all the other supporting elements in place. Sure there are probably some gains, but you won't see the real benefits unless you have everything in place.

 

What cams are you running, hot rods? If so I would swap those out first. Then exhaust (headers). Indon't know how much can be gained from porting your heads until you have all the other supporting elements in place. Sure there are probably some gains, but you won't see the real benefits unless you have everything in place.

Do you think theres a possibility Im losing power over the hot rod cams? I mean it feels like its pulling the same or more, but I have no dyno numbers to support my claim.. but i know i didnt over cam it. and Im timid to go on headers, because I know about the gains, but the sound might be to much for my neighbors. I dont want them telling me I cant park my car here because its too loud. Ive seen it happen..

 

And smooth out the flow of air through the manifold. Intake velocity is key to making horsepower. There are a lot of obstructions and corners in a set of stock heads, this makes for a slower more turbulent flow.

---------- Post added at 01:05 PM ---------- Previous post was at 01:01 PM ----------



It is my opinion that you could do better than the hot rods. They will give you power gains over stock but leave some power on the table because they are designed to run rough at low RPM's. Same duration with more LSA will net you better gains.

 

Not trying to thread jack here but what exactly Is head porting? I have a basic idea but I'm not sure... sorry OP

 

:facepalm: ^ youtube it lol removing material from the head to get higher cfm's. resulting in more power. its pretty much the same concept at opening up your intake and exhaust. better flow.

 

So couldn't you just bring it to a machine shop and have them do it?

 

Yepp. That's the plan too I just have to find a shop that can do the job properly. Because you can make the car run worse if you change the airflow to much

 

I nevef even thought about this, thanks for the idea

---------- Post added at 09:37 PM ---------- Previous post was at 08:58 PM ----------

Check out steve shmidt racing on google. Seems pretty legit and not very expensive at all

 

I had an old school guy do my porting.. even ported the block to eliminate weak spots.. then I found out the better the port job the harder it is to make boost. it is a pretty good trade tho

 

Boost is a measure of restriction, by increasing the flow your hp will increase with less boost pressure, thus more power and less strain

 

Because you're already cammed, long tubes would give you the gains they normally would and then some. Cams and long tubes love each other. You can leave the catback stock even with long tubes if you're worried about volume. I did it all winter. Still sounded great and was not by any means alarmingly loud.


Sent from AutoGuide.com Free App

 

I'm looking at the livernoismotorsports stage 2 heads for when I start on my engine build. It's got more cfms than the ford racing ones and for only a couple hundred dollars more...

 

Long Tubes made my exhaust slightly quieter OP. I wouldn't worry about it being louder. This defiantly needs to be your next mod. With LT's and a dyno tune, you should be putting around 345 to the wheels.

 

Long tubes would be my next mod if I were you. I netted 30rwhp and 20rwtq from p&p heads and they actually changed my curve, they were my last power mod. If you buy heads you will have to buy coil packs also, your an 05, add a few hundred more $.My heads came from Coupe Performance coupeperformance.com look him up, he will do your heads if you send them to him.I am very pleased w/my heads and I am stingy w/compliments

 

machanical noob here, just wondering, what does porting headers mean?

 

U make the intake and exhaust holes bigger to push more air.

 

Well I'm going to look into headers, and finding someone to port my heads, compare the prices and well see what happens. I appreciate it guys I'll post back to the thread with the next mod whenever I get the funds and time to get it done