I know my bonneville has great low end torque.. but.. - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 09-30-2003, 10:54 PM   #21
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Pulleys are typically for Superchargers....sorry man.
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Old 09-30-2003, 10:57 PM   #22
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That sux...
damn it lol
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Old 09-30-2003, 11:01 PM   #23
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How much HP would a new intake, and new exhaust system give me? Sorry for all the questions.. lol i gotta smoke my friend
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Old 09-30-2003, 11:07 PM   #24
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30...
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Old 09-30-2003, 11:16 PM   #25
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Thankz man.. i need that 30HP
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Old 10-01-2003, 12:18 AM   #26
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What pulleys?
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Old 10-01-2003, 09:06 AM   #27
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You guys are absolutely sure pulleys are only for supercharged?
I want an amazing low end so i can smoke him off the line...
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Old 10-01-2003, 10:53 AM   #28
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by 89BonnieSE89
The downside of a pushrod engine, is that there is not much more love after 4800 RPM, mods are necessary to get more out of it. Off the line tho..not much that can beat the 3800 engine
True.... I agree with you there... Strange part though was after I had my heads done, and all of the valves and valve springs were back in spec, and I replaced the lifters with sealed power lifters, I seemed to have found a new world of power...But the lifters tick and I hate that... I will reinstall the factory lifters in the near future to see if the car is quieter and retains its power.... Not certain on that one... But that 3800 is strong enough for generall driving, and some showing out....
Absolutely. I was going to replace my hydraulic lifters in my Torino with solid lifters and a solid lifter cam, but didn't like the idea of having to always remove the valve cover to adjust the rocker arm pedestal height, thus doing away with the ticking. Too much of a headache. I just want to get in and drive. Remember that with solid lifters, you have to machine your heads to accept adjustable pedestals.
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Old 10-01-2003, 10:56 AM   #29
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Quote:
Originally Posted by magiman_
You guys are absolutely sure pulleys are only for supercharged?
I want an amazing low end so i can smoke him off the line...
The change-out of a pulley we sc'd guys do is the supercharger pulley. If you don't have a supercharger, there is no pulley to change out. Thus what willwren asked, "What pulleys?"
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Old 10-01-2003, 04:10 PM   #30
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by TrueWildMan
Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by 89BonnieSE89
The downside of a pushrod engine, is that there is not much more love after 4800 RPM, mods are necessary to get more out of it. Off the line tho..not much that can beat the 3800 engine
True.... I agree with you there... Strange part though was after I had my heads done, and all of the valves and valve springs were back in spec, and I replaced the lifters with sealed power lifters, I seemed to have found a new world of power...But the lifters tick and I hate that... I will reinstall the factory lifters in the near future to see if the car is quieter and retains its power.... Not certain on that one... But that 3800 is strong enough for generall driving, and some showing out....
Absolutely. I was going to replace my hydraulic lifters in my Torino with solid lifters and a solid lifter cam, but didn't like the idea of having to always remove the valve cover to adjust the rocker arm pedestal height, thus doing away with the ticking. Too much of a headache. I just want to get in and drive. Remember that with solid lifters, you have to machine your heads to accept adjustable pedestals.
I know exactly what you mean... Yeah those Solid lifters have to be adjusted frequently to keep the tollerances mainly valve lash correct, or undue wear and tear will result, like a concaved lifter, or a lobe worn clean off the cam...

I actually replaced the factory lifters wit a set of sealed power lifters which were meant for replacing the originals.... They are still hydraulic, but they have less float at the higher RPM'* thns did my stock set... Bad part is that I have been in the engine to replace 4 lifters already because they failed.... Here it is a year later and I hear 2 more lifters trying to call it quits... When they get warm they get worse... I hate the tick tick tick tick tick tick..... And when you can hear it in the car driving around town, well that just drives me nuts... I still have the stock set and they look as good as new due to the oil changes, and they never made much of anything for noise... I'll be reusing them...LOL
Yes, exactly. I didn't mean to make it sound as if you had solid lifters. I was also responding to Jim'* high-end statement. Usually to get more upper end, you have to go with a larger lobed cam (along with opening the intake/exhaust ports as well), and usually a good idea to go solid with a big cam with adjustable pedestals. But, then again, to retain low end torque, you'd have to have a blown intake as well.

Yeah, I'd toss those lifters too...
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