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My engine pulls straight to 6k without a cough... is this normal?
My engine pulls straight to 6k without a cough... is this normal?
I've been hearing figures of upwards of 4500-5000 as being the top of the 3.8L's powerband... but my car keeps pulling hard straight to 6k where it stops dead at the limiter... I was wondering if this is typical of a well breathing engine or not? I don't know of any internal work on my engine... I just wonder if maybe something isn't stock... I always assume it's stock but have no dyno around to prove or disprove.
I plan to get a good cam this summer... just want to make sure I'm improving things... I suppose I should get a G-tech or find a dragstrip...
Black \'97 Camaro RS <a href=\"http://chillcat.fortunecity.net/blahblah.html\" target=\"_blank\">See Pics</a> 3.8L, 5 Spd, Disc Rear, Hurst short shifter, MAF Screen Removed, RK Sport Headers, 3\" Cat, 3\" FM American Thunder Catback, Compcams .512/.507, (2x)275/40/17 Khumo 712(front) (2x)285/40/17 Good Year F1 GS-D3 (back).
that's cool! i wish my car could do that. mine starts losing it at 4700. but i have a 3.4. i'd like to know what that is too
Red 94 Firebird 3.4L<br />-Flowmaster dual outlet exhaust system<br />-K&N cold air induction kit<br />-painted interior<br />-v8 when i get a real job
<blockquote>quote:</font><hr>Originally posted by Chuck Burt: that's cool! i wish my car could do that. mine starts losing it at 4700. but i have a 3.4. i'd like to know what that is too<hr></blockquote>
Yep, 4600 is where we fall on our face. Better heads/cam should fix it.
My 3.4 firebird pulls HARD up to 5750 RPM's and it's stock except for a bypass cat. with 120,000 miles on it to.
\'94 Pontiac Firebird 3.4<p>MODS<br />Custom CAI, by pass cat,<p>soon to come<br />SLP CAI, sweet thunder exhaust, 1.25 lowering springs, 3 pt sub frame connectors, traction bar, port & polished heads & intake manifold, Headers, strut tower bar, ram air hood, SLP rims 18 in, tires? any suggestions? E-mail at firebird1206@aol.com
My 3.4 firebird pulls HARD up to 5750 RPM's and it's stock except for a bypass cat. with 120,000 miles on it to.
\'94 Pontiac Firebird 3.4<p>MODS<br />Custom CAI, by pass cat,<p>soon to come<br />SLP CAI, sweet thunder exhaust, 1.25 lowering springs, 3 pt sub frame connectors, traction bar, port & polished heads & intake manifold, Headers, strut tower bar, ram air hood, SLP rims 18 in, tires? any suggestions? E-mail at firebird1206@aol.com
<blockquote>quote:</font><hr>Originally posted by keith paterniti: My 3.4 firebird pulls HARD up to 5750 RPM's and it's stock except for a bypass cat. with 120,000 miles on it to.<hr></blockquote>
sure it does........"HARD" ;) [img]graemlins/rofl.gif[/img]
same as me. sometimes i hit the rev limiter at 6000 rpm. only from 1st to 2nd gear.i was wonder if i have some performance thing i don't know. i was the second owner when i got mine.
mine pulls stragith to 5900 in first and second.. and i have moved my rev limiter up with the hypertech my question is when i go above 6k why does my engine just kinda sputter?
That sputtering is because you basically fell off the torque curve... Only time I've had that happen is in my dad's '83 Rx7... you hit 6k RPM where the torque and Hp peak and all of a sudden it wusses out... by 6,5k it seems like there is no pull... so it's best to shift before that point... I guess then There is probably nothing internal... that don't bother me though, it was cool cuz my friend was in the car and he said "just stop here and floor it, I want to see what you got" So I just got on it and I smacked into the rev limiter before I knew it and I shifted to second.
Man I'm drooling over this summer when I put in my cam...
Black \'97 Camaro RS <a href=\"http://chillcat.fortunecity.net/blahblah.html\" target=\"_blank\">See Pics</a> 3.8L, 5 Spd, Disc Rear, Hurst short shifter, MAF Screen Removed, RK Sport Headers, 3\" Cat, 3\" FM American Thunder Catback, Compcams .512/.507, (2x)275/40/17 Khumo 712(front) (2x)285/40/17 Good Year F1 GS-D3 (back).
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