Im tryin to decide what mod to do next either port the eaton or add a #4 lower. I keep goin back and forth on this one. With the price of these two being bout the same, if I do put a lower I will go the interchangeable route with a #2 for towing and #4 for the rest of time. Just wanted some opinions. Thanks. Just wanted to add that my current mods are AF1 with power pipe, xcal from mike troyer, line valve mod, electric fans , and 4x4 pan and filter.
Mickey

 

When I had my truck I had a 4# lower and a ported blower. The last dyno I had done was 14.6 pounds of boost and 424hp/509tq.

 

what kind of gas were you running (I see your in cali) and what else had you done?

-Mike

P.S. to answer the post: 4lb AND port

 

I do plan on doin both sooner or later but I just want one for now. I was just wonderin which one was more bang for the buck for now. Ill do one now and add the other later on, probly tax time. Its my daily driver and im in the process of finding me a beater for driving back and forth to work.

 

I had a volant intake, accufab TB, ported upper intake and blower, NGK br7 plugs, hi-flo cats and the computer was reflashed. I ran 91 Oct gas and never had any pinging.

 

I'm going to go with a 4lb lower, and port my Eaton also. But i'm going to go with the pulley 1st then get my Eaton done later, who are you going with on getting your Eaton ported?Along with porting, i'm also going to get it polished. I think they look sweet polished, i'm also going to get a C&L polished upper and elbow. That combo of parts really makes the engine look a lot better. It will just take time and $$$ to get it the way i want it to look & perform, but i've had more time than $$$ so far.

 

If I go the porting way first Ill use steigmiers ( sorry i know the spelling isnt right). I just read that u dont have to change tunes with porting just check ur af . This statement was made by steig themselves on nloc. This might sway me the port way. Well just have to see.
Mickey

 

That's who i'm going to go with also, i've heard they do excellent work. Are you going to get it polished also or go with just the porting?

 

I plan on just the port for now. I know how much of a pain polished surfaces are to keep lookin good and I drive the L all the time. Just gonna port it for now.
Mickey

 

I forgot to ask you, are you going to have them strip the coating off of the rotors? I know they said that they reccomend doing it, i've thought about letting them do it when they P&P mine. I know what you mean about keeping polished parts clean, but i figured since it will be off and they'll have it anyway. I might as well have it done, because it looks so good all shiney!!

 

im still undecided on strippin the rotors or not. Guess ill make my decision hopefully by the time im takin the charger off. If I go the #4 way , I still think ill pull the charger and clean the IC plus that would make the plug change that much easier.
Mickey

 

port it and put a 4lb lower, or even a 6

 

That's the answer.

 

i just wanted to expand on my earlier post:

most of the guys that report ~20hp and ~20 tq gains are those that already have the 4lb. this is because the ported eaton apparently responds better to being spun a little faster. .... now I'm not saying you won't gain power, but you won't gain as much as if you added 4lb + porting

on the other hand, an otherwise stock truck will MORE THAN LIKELY not need a tune change or a plug change with just porting. I would highly recommend doing this though if you add 4lbs to that.

so.... in summary, you can do a port + filter and call it a day, ~15 total horses later.... or you can do port + filter + chip + 4# and we can be here welcoming you into the ~400/~500 club.

I say the addition of a chip and 4LB lower is well worth the ~400 bucks total

-Mike

 

Anyone know what my plug gap needs to be with IT20 plugs. I've got a set and would like to use them. Would like to get them in tomorrow morning if possible before the Stieg shows up.

90mm MAF
Stieg port
JLP 4lb lower
FTVB
CAI
Diablo Predator tune