Gears, I need a little advice

[Jimp]

I'm going to buy some 3.73s for my 7.5. It's not looking good for an 8.8 at a decent price. I found some Motive 3.73s for only $138. Any reason to get Ford Racing over these? Or any other brand?

Also, I'm about to order a TrueTrac.

 

[rygenstormlocke]

I'm going to buy some 3.73s for my 7.5. It's not looking good for an 8.8 at a decent price. I found some Motive 3.73s for only $138. Any reason to get Ford Racing over these? Or any other brand?

Also, I'm about to order a TrueTrac.

Jimp,

I had the same question when I bought my motive's. I actually talked to my mechanic and to Scrming about it. Both said the motives are just fine, as long as they are installed properly.

My mechanic said the Motives are just as good as FR, and said the problem is some people do not know how to install them and it causes a whine noise when in use.

Hope this helps.

-T

 

[Jimp]

Jimp,

I had the same question when I bought my motive's. I actually talked to my mechanic and to Scrming about it. Both said the motives are just fine, as long as they are installed properly.

My mechanic said the Motives are just as good as FR, and said the problem is some people do not know how to install them and it causes a whine noise when in use.

Hope this helps.

-T

That does help, thanks for the quick reply!

 

[rygenstormlocke]

No problem. Let me know how you like the trutrac. I am curious how it handles vs. the FR TLOK.

 

[Jimp]

No problem. Let me know how you like the trutrac. I am curious how it handles vs. the FR TLOK.

Well I called a local place to see about getting them installed. If they order the parts it will be $350, if I order the parts it will be $400. They are supposed to be the best place in town.

 

[cobra232]

any reputable tranny/gear shop can install them

$250-$300 is about the topps you want to pay

also get a richmond gear install kit. any time you change the rear gears you MUST use an install kit. otherwise it makes it harder to setup the rear correctly and why reuse the old bearings when the rear is apart anyways? also reusing the old bearings regardless of miles on them can cause a weaker setup. be sure to break-in the new bearings properly by driving short 20 minute runs at about 50mph then let the rear cool down. repeat this for at least 200 miles. this will ensure the new bearings seat properly without overheating. the new bearings are usually tight and can be ruined if overheated before broken in and will cause slop in the rear making a weak setup.

the richmond gear part# from www.summitracing.com is RMG-8310451 and is about $100. it is a required part that cannot be skipped

motive gears are like richmond gears. they are alittle harder material than ford egars and can whine alittle even setup correctly. they are quite strong and will be fine for your car.

 

[Jimp]

any reputable tranny/gear shop can install them

$250-$300 is about the topps you want to pay

also get a richmond gear install kit. any time you change the rear gears you MUST use an install kit. otherwise it makes it harder to setup the rear correctly and why reuse the old bearings when the rear is apart anyways? also reusing the old bearings regardless of miles on them can cause a weaker setup. be sure to break-in the new bearings properly by driving short 20 minute runs at about 50mph then let the rear cool down. repeat this for at least 200 miles. this will ensure the new bearings seat properly without overheating. the new bearings are usually tight and can be ruined if overheated before broken in and will cause slop in the rear making a weak setup.

the richmond gear part# from www.summitracing.com is RMG-8310451 and is about $100. it is a required part that cannot be skipped

motive gears are like richmond gears. they are alittle harder material than ford egars and can whine alittle even setup correctly. they are quite strong and will be fine for your car.

Wow! Thanks for all the info! I did find a local place that does nothing but race cars that will do it for only $280. I'll get that part you suggested. Thank you very much for this info!

 

[cobra232]

also forgot to mention contacting TA performance to see if their 7.5 girdle would work on your 05 stang.

not sure if it will clear the panhard

here is a link to TA
http://www.taperformance.com/rearend.htm
TA part# TA 1805

also the addition of the TA bearing cap stud kit would be wise even if the girdle can't be used

it is part# TA 1816. if you do everything right and use the detroit and can fit a girdle on, that 7.5 will never let you down at just about any power level you will ever see

 

[Jimp]

also forgot to mention contacting TA performance to see if their 7.5 girdle would work on your 05 stang.

not sure if it will clear the panhard

here is a link to TA
http://www.taperformance.com/rearend.htm
TA part# TA 1805

also the addition of the TA bearing cap stud kit would be wise even if the girdle can't be used

it is part# TA 1816. if you do everything right and use the detroit and can fit a girdle on, that 7.5 will never let you down at just about any power level you will ever see

Well there is a panhard bar relocation bracket available. And I also hear that Powerhouse is coming out with a low profile girdle soon. I'll probably just wait for that. You think I should invest in Moser axles?

 

[rygenstormlocke]

any reputable tranny/gear shop can install them

$250-$300 is about the topps you want to pay

also get a richmond gear install kit. any time you change the rear gears you MUST use an install kit. otherwise it makes it harder to setup the rear correctly and why reuse the old bearings when the rear is apart anyways? also reusing the old bearings regardless of miles on them can cause a weaker setup. be sure to break-in the new bearings properly by driving short 20 minute runs at about 50mph then let the rear cool down. repeat this for at least 200 miles. this will ensure the new bearings seat properly without overheating. the new bearings are usually tight and can be ruined if overheated before broken in and will cause slop in the rear making a weak setup.

the richmond gear part# from www.summitracing.com is RMG-8310451 and is about $100. it is a required part that cannot be skipped

motive gears are like richmond gears. they are alittle harder material than ford egars and can whine alittle even setup correctly. they are quite strong and will be fine for your car.

This is very imformative. Jimp, my apologies, I should have mentioned I got the install/bearing kit for my gears as well.

 

[rygenstormlocke]

also forgot to mention contacting TA performance to see if their 7.5 girdle would work on your 05 stang.

not sure if it will clear the panhard

here is a link to TA
http://www.taperformance.com/rearend.htm
TA part# TA 1805

also the addition of the TA bearing cap stud kit would be wise even if the girdle can't be used

it is part# TA 1816. if you do everything right and use the detroit and can fit a girdle on, that 7.5 will never let you down at just about any power level you will ever see

Awesome, this is good....thank you for this. I will look into it myself.

 

[rygenstormlocke]

also forgot to mention contacting TA performance to see if their 7.5 girdle would work on your 05 stang.

not sure if it will clear the panhard

here is a link to TA
http://www.taperformance.com/rearend.htm
TA part# TA 1805

also the addition of the TA bearing cap stud kit would be wise even if the girdle can't be used

it is part# TA 1816. if you do everything right and use the detroit and can fit a girdle on, that 7.5 will never let you down at just about any power level you will ever see

Man, that is a sweet ride you have there. Got a 1/4 mile times with it? Pics?

 

[cobra232]

here are some pics
http://www.mustangmods.com/data/8456/pics.1_001.jpg

http://www.mustangmods.com/data/8456/pics.2_0371.jpg

http://www.mustangmods.com/data/8456/pics.2_005.2.jpg

not sure of 1/4 times yet i haven't ran the new combo yet. it is still in the works

original setup went 13.87@101 with a stock engine and procharger with only 226rwhp. i should be in the mid to low 12's when it is done
here is my first dyno chart. the only mods were 1.8 rockers and duals with 3.73 R&P. i was running stock injectors with a procharger FMU turned in as rich as i could get it
http://www.mustangmods.com/data/8456/pics.2.jpg

here is a pic just after i let off from revving showing 10psi on the gauge
http://www.mustangmods.com/data/8456/pics.2_073.jpg

and a pic of my Eagle H-beams and ross pistons
http://www.mustangmods.com/data/8456/pics.1_069.jpg
http://www.mustangmods.com/data/8456/pics.2_066.jpg

here is a pic of my idea of an EFI spyder intake. this pic is an old Weiand Xellerator buick V6 intake with a 2.3 ford upper intake on it. i have a ford 2bbl carb intake that i am modifying to enlarger the runners and raise the pad up 3". i will probably go with a 4.6L plenum elbow and T-body now that i am into the project but the 2.3 Upper has more volume so who knows. i don't have any pics of it yet and it looks like hell right now anyways. it's gonna take me awhile to finish it. i just don't have the time
here is the pic
http://www.mustangmods.com/data/8456/imgp0104.jpg

 

[rygenstormlocke]

here are some pics
http://www.mustangmods.com/data/8456/pics.1_001.jpg

http://www.mustangmods.com/data/8456/pics.2_0371.jpg

http://www.mustangmods.com/data/8456/pics.2_005.2.jpg

not sure of 1/4 times yet i haven't ran the new combo yet. it is still in the works

original setup went 13.87@101 with a stock engine and procharger with only 226rwhp. i should be in the mid to low 12's when it is done
here is my first dyno chart. the only mods were 1.8 rockers and duals with 3.73 R&P. i was running stock injectors with a procharger FMU turned in as rich as i could get it
http://www.mustangmods.com/data/8456/pics.2.jpg

here is a pic just after i let off from revving showing 10psi on the gauge
http://www.mustangmods.com/data/8456/pics.2_073.jpg

and a pic of my Eagle H-beams and ross pistons
http://www.mustangmods.com/data/8456/pics.1_069.jpg
http://www.mustangmods.com/data/8456/pics.2_066.jpg

here is a pic of my idea of an EFI spyder intake. this pic is an old Weiand Xellerator buick V6 intake with a 2.3 ford upper intake on it. i have a ford 2bbl carb intake that i am modifying to enlarger the runners and raise the pad up 3". i will probably go with a 4.6L plenum elbow and T-body now that i am into the project but the 2.3 Upper has more volume so who knows. i don't have any pics of it yet and it looks like hell right now anyways. it's gonna take me awhile to finish it. i just don't have the time
here is the pic
http://www.mustangmods.com/data/8456/imgp0104.jpg

Wow, thanks man!! That is a beautiful ride, and the times are good, I bet it hauls ass now. Thank you for this. Please keep us posted on your progress!