• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

max revs on stock bottom end?

l67ss said:
Yeah and chevy was the last to get them. Its like saying a duramax is not a diesel cause its in a chev. After tearing apart a bunch of l67s i noticed the disassembly and design is nearly identical to my 231
Click to expand...


Technically you and scotty are both off on your statements, since the mid/late 80's
Pontiac, buick and the like hasn't designed any engines. GM took the market and designed all of the engines for their B*tch companies that built cars to make GM rich. Then later gave them an excuse to file bankruptcy.
But the engines are specifically GM.
Not chevy or buick. Im with scotty though, they are designed more like the Chevy minus two cylinders.

And the duramax was designed by izuzu. Lol. Let's not attack that sh*tty subject

Sent from Not so smart smartphone
 


who gives a **** lol... these motors have been around for 50 years in their basic design... and they're pretty much bullet proof.
Just not balanced very well from factory i hear
 
DIESEL ENGINES WERE DESIGNED BY A MAN BY THE LAST NAME DIESEL. Troll attempt, fail. And what in the design aside from the lifters is more like a chevy? Are saying i can use the parts to tipswap a chevy. Or that i can use 4.3 parts to get eid of the external oil passage?
Twizted 1 said:
Technically you and scotty are both off on your statements, since the mid/late 80's
Pontiac, buick and the like hasn't designed any engines. GM took the market and designed all of the engines for their B*tch companies that built cars to make GM rich. Then later gave them an excuse to file bankruptcy.
But the engines are specifically GM.
Not chevy or buick. Im with scotty though, they are designed more like the Chevy minus two cylinders.

And the duramax was designed by izuzu. Lol. Let's not attack that sh*tty subject

Sent from Not so smart smartphone
Click to expand...
 
Never said you could swap parts from a chevy to a 3.8. They have the 90° v6 design exactly like the chevy. Not like buick They had a wide designed intake.
The wide intake was actually a pontiac design.

And trolling I am not. I didn't say the diesel was designed by izuzu. Try reading for a change. The duramax diesel was designed by izuzu. Troll on.
His name was Rudolf diesel by the way.

Sent from Not so smart smartphone
 
Thanks ice. Hmm Learned something new.
GM has owned it since 1962 and sold it to kaizer/jeep in 1967.

Sent from Not so smart smartphone
 


Ok then ANY chevy design is actually a caddy/olds design as they camw out in 1949 and the 265 chevy was based off them, same engineer in fact. And i never claimed the duramax was designed by chevy, so mebbe YOU should try reading for a change
Twizted 1 said:
Never said you could swap parts from a chevy to a 3.8. They have the 90° v6 design exactly like the chevy. Not like buick They had a wide designed intake.
The wide intake was actually a pontiac design.

And trolling I am not. I didn't say the diesel was designed by izuzu. Try reading for a change. The duramax diesel was designed by izuzu. Troll on.
His name was Rudolf diesel by the way.

Sent from Not so smart smartphone
Click to expand...
 
Ok you got me on the diesel comment, I misread your comment.
But, in 1908 david buick changed the name of his company to general motors and it has been since. So EVERY motor that has been in a buick since that time has been a GM engine. As with GMC, chevy, and all of its subsidiaries. They are all GM.
Sorry for the threadjack.

Sent from Not so smart smartphone
 
m92eq9.jpg


I've got mine setup to shift at 6250, actually shifts closer to 6500.

Stock bottom end I wouldn't run much more than that on a daily basis.

All else fails, get another motor and balance the entire rotating assembly and rev the **** out of it.
 
i think I'll just tell him to shift at 6200rpm... limit at 6500. That sounds like a good compromise.... mine currently makes it peak power at 5200 rpm... so an extra 1000+ revs or so will do me nicely :)
 
they usually rev a little higher than the set point. i have mine set at 6200 and revs just a tad higher and other guys have said they have seen 100 to 150rmps more than the set point.
 


Twizted 1 said:
Technically you and scotty are both off on your statements, since the mid/late 80's
Pontiac, buick and the like hasn't designed any engines. GM took the market and designed all of the engines for their B*tch companies that built cars to make GM rich. Then later gave them an excuse to file bankruptcy.
But the engines are specifically GM.
Not chevy or buick. Im with scotty though, they are designed more like the Chevy minus two cylinders.

And the duramax was designed by izuzu. Lol. Let's not attack that sh*tty subject

Sent from Not so smart smartphone
Click to expand...

sorry but its a buick...it shares no architecture with the sbc based "chevy" v6 aside from them both being split journal on center v6 engines
it does however share every major component with its ancestors. you can bolt a 62 buick v6 head to an 09 SII...same bolt pattern...right down to the same 7/16ths threads in the cylinder deck.

the LC3/LG3/LN3/L27/SI L67/ and the SII (L26/36 and L67/32 are all buick decendants...not a damn one of em is a "clean sheet" design....you dont think gm fired all their engine guys that were champions of the turbo buick...no they rolled them into developing the v6 further. lotta buick enthusiast in GM...

plain point of this is that the 3800 is a direct buick v8/v6 descendant and shares little with the much younger chevy v6
 
Schwuppes said:
who gives a **** lol... these motors have been around for 50 years in their basic design... and they're pretty much bullet proof.
Just not balanced very well from factory i hear
Click to expand...

the balance issue is a mater of 3rd and 4th order harmonics from the close coupled rocking inherent in a 90* bank angle v6 (the sbc v6 also suffered from this)
....this extra NVH is removed by a more inherently stable 60* bank angle v6 as are ALL of gm's current v6 offerings
 
You must log in or register to reply here.
Back
Top