Originally posted by rjmcdermott81
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Most efficient route to reach 350HP in an e30?
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IG @turbovarg
'91 318is, M20 turbo
[CoTM: 4-18]
'94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust - updated 3-17
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Horsepower Shmorsepowers.
What you want is the torques. And those come from the cubes
(think stroked SBC or Windsor) or the turbos. Or Naws.
Of course, once you have the horsepowers, you have to have
a way to use them, and the rear of an E30 was unsophisticated
when it was in a 2002.
My version of your question? Buy an E46 M3, and lighten the hell out of it.
Nothing wrong with sticking a turrrrbo onto the M20 and having fun, but
the "I gottttttaaaa have the horsssepowahs!" isn't really a whole car experience.
Unless you tub it, stuff a Ford 9" under the back, and go to the dragstrip.
t
now, sometimes I just mess with people. It's more entertaining that way. george graves
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Originally posted by Andrew325is View PostOn a more serious note, why is 350hp the magic number? There is more to consider than just the power figure. You might want to explain to us how the car will be used. For example, for high speed spirited driving on the track, interstate, and rural roads S54 is a great option, but driving in the city feels like you're holding back a wild horse that can't breathe. For city driving and curvy roads you'll have more fun with a lightweight 4 cylinder like an M42. There are good reasons why BMW raced E30s with 4 bangers...
If it's to drag or drift or something then fair enough.
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Originally posted by TobyB View PostUnless you tub it, stuff a Ford 9" under the back, and go to the dragstrip.
IG @turbovarg
'91 318is, M20 turbo
[CoTM: 4-18]
'94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust - updated 3-17
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Originally posted by varg View Post
Now imagine having the torque to do that with a 3.25 final drive, plus less weight. That's a Turbo M20.
Current stock m20b25 with 5-lug (e36 m3 front/6-cyl z3 rear) on 225/50-16 is running an S4.10, which is fun-ish. Within a year the car should be boosted to 250-300whp, maybe more if/when i feel comfortable. I have an S3.73 on my shelf I was thinking of using once it's boosted. Also have a line on an S2.93.
I'm worried that the S3.73 will be too tall, but would an S2.93 be too short? should I get that diff, or try to find an S3.25?sigpic
1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]
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Originally posted by McGyver View Post
I've been meaning to hit you up for a while, but my turbo project stalled for a few months. Not to thread jack, *cue thread jacking*:
Current stock m20b25 with 5-lug (e36 m3 front/6-cyl z3 rear) on 225/50-16 is running an S4.10, which is fun-ish. Within a year the car should be boosted to 250-300whp, maybe more if/when i feel comfortable. I have an S3.73 on my shelf I was thinking of using once it's boosted. Also have a line on an S2.93.
I'm worried that the S3.73 will be too tall, but would an S2.93 be too short? should I get that diff, or try to find an S3.25?
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Originally posted by McGyver View Post
I've been meaning to hit you up for a while, but my turbo project stalled for a few months. Not to thread jack, *cue thread jacking*:
Current stock m20b25 with 5-lug (e36 m3 front/6-cyl z3 rear) on 225/50-16 is running an S4.10, which is fun-ish. Within a year the car should be boosted to 250-300whp, maybe more if/when i feel comfortable. I have an S3.73 on my shelf I was thinking of using once it's boosted. Also have a line on an S2.93.
I'm worried that the S3.73 will be too tall, but would an S2.93 be too short? should I get that diff, or try to find an S3.25?
Imo with 250 hp the 3.73 would be a lot of fun and still usable on the highway. The 2.93 would feel like a dog in comparison.
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Originally posted by McGyver View Post
I've been meaning to hit you up for a while, but my turbo project stalled for a few months. Not to thread jack, *cue thread jacking*:
Current stock m20b25 with 5-lug (e36 m3 front/6-cyl z3 rear) on 225/50-16 is running an S4.10, which is fun-ish. Within a year the car should be boosted to 250-300whp, maybe more if/when i feel comfortable. I have an S3.73 on my shelf I was thinking of using once it's boosted. Also have a line on an S2.93.
I'm worried that the S3.73 will be too tall, but would an S2.93 be too short? should I get that diff, or try to find an S3.25?
IG @turbovarg
'91 318is, M20 turbo
[CoTM: 4-18]
'94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust - updated 3-17
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in my experience turbo cars feel faster and funner with longer gears.
a 2.93 is great but on the street is alittle too much because by the time you rev out in 2nd you're almost hitting 80mph, unless that's your style, like mine..
with a shorter ratio you are rowing and spinning into gears which kill allot of the accel.
just think about it you hit like 30 in 1st and basically slam it into 2nd and the car is just a straight rocket to 80mph like an auto.
no fucking around with gears or wheel spinning into gears on the street.
i used a 3.4x from an mcoupe it was ok but took some fun out of the car i don't like maxing out 5th gear and still was slower then 4th with the 3.93.
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