3.636 question
#1
3.636 question
Question for those with 3.636 r/p, 6 speed and 200-250 rwhp.
Are 1st and 2nd gear still irritatingly short or does the 3.63 solve this issue? I'm leaning to the 3.3 GB but just want someone to confirm my hunch that the 3.3 will be the answer to my athiest prayers. I love my car but really wish that 1 and 2 were taller...
Are 1st and 2nd gear still irritatingly short or does the 3.63 solve this issue? I'm leaning to the 3.3 GB but just want someone to confirm my hunch that the 3.3 will be the answer to my athiest prayers. I love my car but really wish that 1 and 2 were taller...
#5
Sure, that would be another way of asking the question. Those with 5sp and 3.90 or 4.10 with 200-250 whp, how does it feel? Slow, really?!
If an N/A 1.8 came with a 5 speed and 4.10's pretty sure my 8-10 psi will perform better than that...
Dot 3, I've looked at that a thousand times, doesn't answer my question.
If an N/A 1.8 came with a 5 speed and 4.10's pretty sure my 8-10 psi will perform better than that...
Dot 3, I've looked at that a thousand times, doesn't answer my question.
#13
The post above helps. Getting an extra 3mph in first doesn't sound like a big enough change. I've done a 20% rear ratio change before but the V8 ahead of it didn't seem to care. A 10% change wouldn't have been noticed. Curious if the 3.63 makes a noticeable difference.
I was just looking for opinions from those who have actually swapped to a 3.63 gear for their experience.
I was just looking for opinions from those who have actually swapped to a 3.63 gear for their experience.
Last edited by Screaming04; 12-04-2013 at 01:47 AM. Reason: Removed offensive reference to armchair experts who can't read
#15
First and second I believe would feel better with a 3.308 but 6th would be totally useless and you would actually lose some top end speed if you want track performance it now would be like a three speed on the track with first and second still too low and 6th too high especially with only 200 to 250 hp. I have a 3.636 with ~325-350 rwhp wasn’t happy with 2nd gear top speed until I turned the rev limit up to 8400 rpm. At which point the 3.636 became a thing of beauty for autocross, it’s in the power band with high boost response in second instantly from the start beam and out of every corner with enough top speed to keep from needing a shift to third to keep from driving excessively on the rev limiter.
3rd through 6th are perfect for me on some high speed tracks with the 3.636 some others would be better with a 3.909 with only 250 HP Im pretty sure the 3.909 would produce lower lap times on most all tracks. 3.636 is only required for autocross to get second gear speeds high enough otherwise Id probably use a 3.909.
A super tall first won’t help with launching the car. It will still spin the tires and it just makes you spin them even more or slip the hell out of the clutch to get a good launch. A stump puller first is good for getting the car rolling and getting into second faster while spinning the tires less in the process.
The other consideration I hear all the time is highway cruise RPM. Though I do drive my car on the highway some this is totally un-important to me. Might be worth some small fraction of an mpg I highly doubt more than 1 mpg but I can’t understand why somebody who has boosted their car would care to sacrifice performance for such a miniscule thing.
3rd through 6th are perfect for me on some high speed tracks with the 3.636 some others would be better with a 3.909 with only 250 HP Im pretty sure the 3.909 would produce lower lap times on most all tracks. 3.636 is only required for autocross to get second gear speeds high enough otherwise Id probably use a 3.909.
A super tall first won’t help with launching the car. It will still spin the tires and it just makes you spin them even more or slip the hell out of the clutch to get a good launch. A stump puller first is good for getting the car rolling and getting into second faster while spinning the tires less in the process.
The other consideration I hear all the time is highway cruise RPM. Though I do drive my car on the highway some this is totally un-important to me. Might be worth some small fraction of an mpg I highly doubt more than 1 mpg but I can’t understand why somebody who has boosted their car would care to sacrifice performance for such a miniscule thing.
#16
Thanks Bob, maybe I just need to learn to live with it. It's mostly a street car, that 1-2 shift just happens way too quick for me. I'm trying to accelerate but I've got my foot on the clutch and off the gas a lot of the time. A taller than n/a supplied gear will help, I just don't want to do it twice. Appreciate your perspective.
This has absolutely nothing to do with mpg for me.
This has absolutely nothing to do with mpg for me.
#20
Yeah, thought of that. So that leaves the 3.6 and 3.9. The 3.9 doesn't appear much different than the 4.1, and I've seen some state that you really want 300HP for the 3.6. So I'm starting to think the 3.9 + 6 speed may be the sweet spot for track gearing on a 250WHP car? I don't run the car above 7k, so that would get me to 145mph.