LX5 VS L36
07-04-2005, 01:45 PM
#11
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Originally Posted by Custom88
Originally Posted by jr's3800
And from what I see in your video, it looks like they set the 4T65-E up for everything it could handle.... Was that a 6300-6500 shift? I will give you this tho... That thing was hella happy to wind out...
also, the way I see it, the low end torque of the 3800 is nice around town, but, what do you use more? Low end grunt for dead stops, or the high end power which you would use during passing maneuvers? I'd honestly rather have the extra horsepower while passing, then a little extra torque from a dead stop. 
I thought for sure quite a while back that the 3.5 was being developed as a replacement for the 3800 line... Guess I was wrong, and yes its very possible that cost plays a large factor...
I just love pushrod engines, always have and still do....
But on the same note DOHC can be very fun....lol
One day I may have one
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07-04-2005, 01:47 PM
#12
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Originally Posted by repinS
Originally Posted by jr's3800
There is a 3.6 vvt like jason stated... But I have heard a bit about a 3.9.... Is this 3.9 a DOHC 3.9 or is this a punched out 3400/3500 set up to make 260 hp?
It'* a DOHC motor so it'll be much bigger up top.
and yes, isn't the cam on a 3800 pretty flat ?
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07-05-2005, 02:05 AM
#16
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I think some are thinking of the 3.6L that Cadillac uses. The 3.5L was only used in the Intrigue and Aurora. It was only used from 99 until 2002. It only had a three year run and it was designed by Oldsmobile. :( When the Intrigue was discontinued in 2002, the Aurora also dropped the 3.5L as an optional engine. all 2003 Auroras were the 4.0.
07-05-2005, 09:30 AM
#17
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Interesting that they would drop it after the three years. Usually the costs for them to do that would be more expensive than to adapt it into another body.
07-05-2005, 10:34 PM
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Originally Posted by Custom88
I think some are thinking of the 3.6L that Cadillac uses. The 3.5L was only used in the Intrigue and Aurora. It was only used from 99 until 2002. It only had a three year run and it was designed by Oldsmobile. :( When the Intrigue was discontinued in 2002, the Aurora also dropped the 3.5L as an optional engine. all 2003 Auroras were the 4.0.
07-07-2005, 02:03 AM
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Originally Posted by rjolly87
i got bored and did the power curves on top of eachother.
WIth that graph it makes me wonder even more why pontiac/buick didn't use the 3.5. It'* just a lot more powerful in the higher RPM'*. It doesn't have the lower end torque at very low RPM'* as the 3800, but it does have the higher gear ratio to make up for it, and it'* rated at the same fuel economy as the NA 3800. If only I could ask GM myself. lol. THat gear ratio must really make a difference though because the acceleration from a dead stop is very similar between my Aurora and my brother'* 00 SLE. Once you get above 3,500 RPM the 3.5 starts pulling away hard from the Bonneville though.