pm you the other day. yea, it will certainly "feel" faster, but you will definitely be slower. you we be slower because you have to shift more. it is kinda hard to grasp but, since the top speed of each gear will decrease. going x mph in a 4.77 in y gear will have a much higher rpm than going x mph in y gear with 4.10. so say driving around town, if you are used to shifting at 3500 rpm with 4.10, you will either go slower shifting at the same rpm or you will have to shifter at a much higher rpm.

4.44 is probably the best combo for ap2, 4.77 is a little much. but hey, if you want to feel faster but dont mind being slower than go right ahead.
[/quote]

I know for sure the AP2 with 4.44 has much more pull and is much more fun to drive than
running the OEM 4.10.
On my 340 mile trip to get the diff installed I averaged just bout 29mpg and this
was a lot of interstate driving..also a brief 12 mile run to show a car lot guy
what my car was capable of!
I don't really have the opportunity to go that fast around town..and I dont VTEC
that much..and I dont race...if I want more low-end I see nothing wrong with
going 4.77 in an AP2..just have to have good rubber though as how there might
be a bit more wheel spin!

 

pm you the other day. yea, it will certainly "feel" faster, but you will definitely be slower. you we be slower because you have to shift more. it is kinda hard to grasp but, since the top speed of each gear will decrease. going x mph in a 4.77 in y gear will have a much higher rpm than going x mph in y gear with 4.10. so say driving around town, if you are used to shifting at 3500 rpm with 4.10, you will either go slower shifting at the same rpm or you will have to shifter at a much higher rpm.

4.44 is probably the best combo for ap2, 4.77 is a little much. but hey, if you want to feel faster but dont mind being slower than go right ahead.
[/quote]

I know for sure the AP2 with 4.44 has much more pull and is much more fun to drive than
running the OEM 4.10.
On my 340 mile trip to get the diff installed I averaged just bout 29mpg and this
was a lot of interstate driving..also a brief 12 mile run to show a car lot guy
what my car was capable of!
I don't really have the opportunity to go that fast around town..and I dont VTEC
that much..and I dont race...if I want more low-end I see nothing wrong with
going 4.77 in an AP2..just have to have good rubber though as how there might
be a bit more wheel spin!
[/quote]
not if the AP2 still has te CDV 4.77s work well for auto-x and som city anything else wont be benefical

 

4.44 is sometimes challenging in autox for me. although, i haven't been to a national event. but having too short of a gear will hurt you alot, again from shifting alot. but around the city i do see the fun of feeling more torque. i mean definitely your choice to choose whether to do it or not. but just my opinion, i do thing to my car that is beneficial to increase performance and not so much fun factor. 4.77 was a bad choice to go FI in a ap2. 4.44 FI ap2 wouldn't be so bad, i'll do that. unless your goals were to do 450WHP then yea, stock gearing.

 

Here is my 2 cents from running both of my AP1's on the track and street.

I run 4.77 gears in my AP1 track car which was NA when I installed them. The low gearing for the track was very good in the absence of torque from the F20c. I rarely ran out of gear since 120 mph was about the limits for any tracks I ran on the east coast. I slipped in a Novi 1000 this year and found that the car ran outa gear QUICKLY with the added HP moving me along at greater speeds. Sadly I had not changed the valve clips on the F20c and you know the rest of that story. I put the backup engine in the car and finished the year at the track with a NA setup and 4.77 diff.

Now the new engine is ready (sleeved and new valve train) and once installed I will return to the Forced induction setup. I will install the OEM diff with the AP1 4.10 gears and run that setup while I have 4.44 installed in the AP2 diff.

I had one situation where the car trailer broke and I had to drive the track car 400 miles home. While it was a painful journey in 95 degree heat (no air or radio, straight exhaust) I found that I got 34 mpg running at 70-75 mph.

So I could see the benefit of the 4.77 diff for fun if you had a NA car for a DD that did only moderate highway miles. If you were adding FI then the 4.10 would be a better choice.

 

Thank you..you get it!

Sure..the car wont do 150mph anymore..it'll only do 133mph AP2 with 4.77..
but for a dedicated "street" car do I really need to even do 133!!

While interstating I might rev 500 rpms higher than usual...but I only drive
prolly 250 interstate miles a month...mostly city driving.

 

if your really serious about building a strong SC your are defenetly going to need to go back to stock gears if not even more i know there are some builds were they go down to 3.90 but they are insane quick, because if you have the 77's are your gonna do is be shifting but not moving as fast as you would.

 

 

What are you confused on about that?
Many go down to longer gears for turbo builds etc.

 

What are you confused on about that?
Many go down to longer gears for turbo builds etc.
[/quote]

 

Then its settled I shall go back down to the stock gear ratios!