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-   -   what happens if i port my stock heads? (https://www.truckforums.com/forum/chevy-silverado-gmc-sierra-forum-11/what-happens-if-i-port-my-stock-heads-4420/)

felix arrizon 09-06-2007 12:55 PM

what happens if i port my stock heads?
 
Hi, everyone, does anyone know what would happen if i have my stock heads ported? how much power would i get? good idea? or bad idea? would it affect my daily drive? thanks...

ps. i just had my 4.10 intalled instead of my stock 3.42 and also i got posi on my rear end... i think thats the very best upgrade i have done to my truck...

Tweaker 09-06-2007 01:07 PM

RE: what happens if i port my stock heads?
 
Ive heard guys pulling a extra 5hp out of porting and polishing so its only worth it if you were in that area of the engine at the time imo. Hows the 4.10s vs the 3.42 in gas mileage and power especially with the posi on starts? :D I want to switch out my 3.73s for 4.10s but the price is kind of expensive out here to get a job like that done unless I did it myself.

chevy112488 09-06-2007 01:09 PM

RE: what happens if i port my stock heads?
 
im thinking of switching from 3.42 to 3.73... how much did it cost you, or did you do it yourself?

SouthBayZ71 09-06-2007 03:29 PM

RE: what happens if i port my stock heads?
 
I was quoted $1400 to go to 3.73 ...but then again, I have 4WD ...

jcbst12 09-06-2007 05:09 PM

RE: what happens if i port my stock heads?
 
Thats not that bad really. $1400 dollars will get you moving at half the price of a supercharger. You got me thinkin again SouthBay.

SouthBayZ71 09-06-2007 05:17 PM

RE: what happens if i port my stock heads?
 
lol

After you get the gears, you will want to get a supercharger anyway. heh

chevy112488 09-06-2007 06:22 PM

RE: what happens if i port my stock heads?
 
so maybe like 1 grand or a little less for 2wd? i could handle that... NOT... maybe eventually

SouthBayZ71 09-06-2007 06:37 PM

RE: what happens if i port my stock heads?
 
I assume it would be 1/2 the cost...this was from the local 4 wheel parts.

72charger 09-06-2007 06:49 PM

RE: what happens if i port my stock heads?
 
We were talking about this earlier and someone, I think Smoke20(who seems awol), said he had check it out at the dealer and it was like $1,500 after parts and labor and that was on a 2WD I believe. Course he has a 4x4 as well I think so I don't know why he would have gotten an estimate for a 2WD..... maybe it was somebody else but that was definately the price for a 2WD truck gear swap!

SouthBayZ71 09-06-2007 06:52 PM

RE: what happens if i port my stock heads?
 
I was the one who posted a few weeks back about the $1400 4WD gear swap.

I just tried calling 4 Wheel Parts, but the gal I spoke to didn't know anything and told me to call tomorrow. WTF?!?!?


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