so to fix that small lag issue in the L67 you just need a PCM tune with adjusted shift points etc?
I want my engine to last as well, and I remember reading, from one of Bumpin's posts I believe, that a stock L67 with produce some KR, so I suppose once I get this car it would be a good idea to invest in the 3 basic bolt-ons to reduce KR, 180*T-stat, CAI, and a 3 inch downpipe. That should be all the modding I will want to do, just enough to unlock the car's potential with no or minimal lag, through all powerbands. |
so to fix that small lag issue in the L67 you just need a PCM tune with adjusted shift points etc? But really though- you had virtually the same transmission before- so you already know how it responds for the most part- and really you had most of the same engine- so I'm sure you know it isn't exactly pulling like a formula 1 car over 100 mph. I want my engine to last as well, and I remember reading, from one of Bumpin's posts I believe, that a stock L67 with produce some KR, so I suppose once I get this car it would be a good idea to invest in the 3 basic bolt-ons to reduce KR, 180*T-stat, CAI, and a 3 inch downpipe. Just to show you that there is no real 'boost lag', here are some videos of various L67's to check out: This one is probably the best- its from about 55mph to 110mph- and you can see the second he floors it, boost shoots straight up and holds. Actually, the 'lag' from the boost is far less than the 'lag' from the transmission downshifting and unlocking the converter (watch the tach compared to the boost gauge- he's at full boost before the downshift is even completed) http://www.youtube.com/watch?v=iCOwkp9i0MI This is a video of someone rolling into the throttle out of the hole, as you can see- as soon as they hit WOT, the boost jumps instantly to full: http://www.youtube.com/watch?v=s4r8c...eature=channel Another rolling vid (although not as easy to see)- the car basically stays out of boost, but you can hear the second he nails it- full boost follows VERY quickly (obviously he just blips the throttle, but it gives a good idea of how quick the response of the supercharger really is): http://www.youtube.com/watch?v=wWfHP...eature=related edit- also obviously, you won't have the blower whine from the factory- you need to remove the stock airbox to hear it AT ALL. |
Thanks a lot for the videos Bumpin, there doesn't appear to be any real "lag" or "delay" at all, maybe a split second, but that's more than tolerable for me. I won't be racing the car every day, it'll be a daily driver for me with the occasional stop light race, that's all.
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Exactly why I didn't like the word. It makes people think of a big T76 non-BB on a supra taking until 5000 rpm to hit full boost. Most of the benefit of a positive displacement supercharger is the instant-boost.
You will have fun driving it compared to your old car, even stock. |
i have a question, why is it that a GTP seems to have way more get up and go then a super charged monte. do they have different gearing or something?
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Originally Posted by Quatermain N/A SS
(Post 218413)
It's a 2004 Monte Carlo supercharged with 19,000 miles, barely used, almost brand new. It's $14,500, think I'm going to buy it. Thank you for outlining the differences between the two motors, I was hoping Bumpin would bump in on this thread and give me the whole low-down on this question, now I feel well informed.
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Little lighter? Gearing is still 2.93 in the HD trans. They do also have a 'performance mode' switch on the shifter to make the trans shift quicker and higher- but its not a huge difference.
Once you hit the 04+, I'd say its the extra power- they're 260 hp instead of 240 like the monte and older GTP's, but they're heavier too so I think it about evens out. I always thought the L36 was a big sluggish in the SS. If you don't want to do a full CAI install, a drop in K&N filter works well in these as you may already know. |
Quatermain N/A SS
Sent you a PM. |
My ex wife and I had a 98 Grand Prix with the L36 that we bought new and it felt pretty powerful. It actually seems like it felt like it had more power than my 2004 Supercharged Dale Jr Monte. I would say that the lower gearing of the L36 car made it feel stronger.
It sounds like a nice car you are buying and I think you will be happy with it. Wayne |
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