v6 more power?

**drjcamaro** · 05-10-2010, 04:16 PM

i have already installed a cold air intake,
what are some more inexpensive ways to give my v6 more power?

**Smittro** · 05-10-2010, 04:40 PM

Originally Posted by drjcamaro

i have already installed a cold air intake,
what are some more inexpensive ways to give my v6 more power?

Headers, exhaust, tune. Blower (oops)...

You won't see big gains without getting into the motor tho..

**Smittro** · 05-10-2010, 04:46 PM

Oh and welcome to the site. Next time try posting in the V6 section. Keeps the Mods happy if they don't have to move stuff.. Nice to add a v6 guy to the clan too.

**konigandy6** · 05-10-2010, 04:50 PM

Moved

Smittro is our board V6 expert! Listen to what he says and take it in... lets just say... he's something of a guru!

benoh · 05-10-2010, 06:29 PM

Originally Posted by Smittro

Headers, exhaust, tune. Blower (oops)...

You won't see big gains without getting into the motor tho..

^ ditto. long tubes will give you the best result but you're limited on the one or two companies that make long tubes for our v6s and they are quite expensive.

a good tune up also frees up some lost hp. spark plugs, spark plug wires, clean out your throttle body, oxygen sensors, fuel filter, etc. will help out too.

**Smittro** · 05-10-2010, 11:30 PM

Now with that said. For not much money just some time you could get a set of FWD series-I valve springs (VIN-L) and an l67 roller set. They'er much more performance oriented and a stronger spring set up and the roller would be from an sc FWD. That in addition to a set of tubes and so forth. Then go get a good tune raise the limiter a little and you'll have a more efficient use of the power and the gains from the above. 250+ crank hp is atainable relatively cheaply with the n/a 3800-II.. Throw a set of gears @ it and you're in LT1 territory.. Thanks to the Buick guys the after market for our cars is growing and growing. I'd wager that the Fiero guys got their hands in there somewhere too. But I doubt they have the influence the Buick guys have.

**Smittro** · 05-10-2010, 11:56 PM

Originally Posted by konigandy6

Moved

Smittro is our board V6 expert! Listen to what he says and take it in... lets just say... he's something of a guru!

**Nero.Jacinth** · 05-10-2010, 11:59 PM

Would it be possible to swap in an L67? I know you'd have to change a few things since it comes from a FWD car, but that seems like it would be a cheap way to make some power. Otherwise you could put a Gen 5 blower on your motor with a bit of work.

**Smittro** · 05-11-2010, 12:02 AM

Originally Posted by Nero.Jacinth

Would it be possible to swap in an L67? I know you'd have to change a few things since it comes from a FWD car, but that seems like it would be a cheap way to make some power. Otherwise you could put a Gen 5 blower on your motor with a bit of work.

You could, however there's really no need to yank the motor for the eton 90sc. The entire top end off the l67 will bolt right on your engine. You'll just have to figure out how to get the TB around towards the front.

**Nero.Jacinth** · 05-11-2010, 12:38 AM

Now that would be a sexy upgrade for a V6 Fbody, 250 horse with basically one upgrade. Put some headers and exhaust, and throw a 3.4" pulley on it, mmmmm mmmmmm.

**Smittro** · 05-11-2010, 03:16 AM

Originally Posted by Nero.Jacinth

Now that would be a sexy upgrade for a V6 Fbody, 250 horse with basically one upgrade. Put some headers and exhaust, and throw a 3.4" pulley on it, mmmmm mmmmmm.

You can tune for the higher CR you'd see from your stock pistons too. Now that I've got your attention. They also make complete forged bottom ends and stroker sets for us now too. hehehehe

**drjcamaro** · 05-11-2010, 09:41 AM

Originally Posted by Smittro

Oh and welcome to the site. Next time try posting in the V6 section. Keeps the Mods happy if they don't have to move stuff.. Nice to add a v6 guy to the clan too.

ha ok, and thanks

**Smittro** · 05-12-2010, 12:19 AM

I'm gonna bust a myth while I'm @ it for you guys. This is a head from my new set of heads for my l36.

The castings for the l67 and l36 are indentical with the exception of the 3 holes for the l67 injectors and a set of slightly heavier valve springs. The l36 even has the spots where the holes would be drilled for the l67 application. They would go where the "lumps" are above each intake port.

Same valve dia and all as the l67 heads.
(Myth) Some say the l67 has better flow than the l36. I find it doubtfull. Notice the closeness of the water jacket to the intake port. The inside wall seperation is around 3/16" or less. Unless they changed the castings, which they did not, there's not much refinement happening here.

However you can remove a good amount of matterial from the exhaust ports seeing as how (imho) they were made far too small and quite a bit from the top of the intake ports on the n/a heads only... The exhaust are smaller than the ports on your/our factory manifolds which are perfectly round to boot, notice the head ports are'nt even close to being round.

Blocks are the same as well, and internals are semiforged for both. The only real difference is the cam, valve springs, and piston type, and 6 holes in the heads. Same stroke same bore same mains..

**Smittro** · 05-12-2010, 02:29 AM

To be honest I never really cared for the 3.8 3800-I-II-III. That is untill I started digging into its history. Aspects of this engine go way back, can you say "Wildcat"?! How about Buick 350? All are cusins to what's under our hoods today. Some specs still match to this day across the years. The engine holds awards in almost every catagory from racing, right on to the family grocery getter which it recieved awards in longjevity(sp) and reliablity.. In my honest oppinion, you can't go wrong building one of these.. Sorry for the thread jack...