Lowered. rear rake
Thread Starter
Racer
Joined: Nov 2002
Posts: 337
Likes: 5
From: Marengo Illinois
Lowered. rear rake
How important is rear rake..
I lowered my car removed the front bolts, longer rear bolts and new wheels and tires.
With the low profile 305's in the rear it just didn’t look right with the rear higher so I lowered the rear some more. Right now I have about 1/8" negative rear rake.
By measuring off the frame rail the rear is about a 1/8" lower than the front with that hurt anything?
Top picture is the new lowered look
I lowered my car removed the front bolts, longer rear bolts and new wheels and tires.
With the low profile 305's in the rear it just didn’t look right with the rear higher so I lowered the rear some more. Right now I have about 1/8" negative rear rake.
By measuring off the frame rail the rear is about a 1/8" lower than the front with that hurt anything?
Top picture is the new lowered look
Thread Starter
Racer
Joined: Nov 2002
Posts: 337
Likes: 5
From: Marengo Illinois
Thanks for the complements.
Im happy with the look just wasn’t sure if I need to have the ½" rear rake. I know I seen threads on the forum where it was said you should have it.
But I really don’t want to..
Im happy with the look just wasn’t sure if I need to have the ½" rear rake. I know I seen threads on the forum where it was said you should have it.
But I really don’t want to..
Le Mans Master
Joined: Aug 2000
Posts: 8,762
Likes: 2
From: Murphy TX
Originally Posted by ZOsix
How important is rear rake..
...
Right now I have about 1/8" negative rear rake.
...
Right now I have about 1/8" negative rear rake.
The rake is extremely important in high speed situations due to the aerodynamic effects. With the rear lower as you have it, air will get under the front, have less room to exit in the back, and as a result build pressure under the car, you will experience some lift, and lightness of steering, depending on speed. Some on the AC/RR forum have stated it can get very hairy at 120+ with no rake (even front back, not negative as you have it).
Around town it will make no difference, and will certainly not hurt anything, but you may work your way up to higher speeds to make sure you don't feel any instability.
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Thread Starter
Racer
Joined: Nov 2002
Posts: 337
Likes: 5
From: Marengo Illinois
Originally Posted by yellow01
Do you track your car? Expect speeds over 100mph?
The rake is extremely important in high speed situations due to the aerodynamic effects. With the rear lower as you have it, air will get under the front, have less room to exit in the back, and as a result build pressure under the car, you will experience some lift, and lightness of steering, depending on speed. Some on the AC/RR forum have stated it can get very hairy at 120+ with no rake (even front back, not negative as you have it).
Around town it will make no difference, and will certainly not hurt anything, but you may work your way up to higher speeds to make sure you don't feel any instability.
The rake is extremely important in high speed situations due to the aerodynamic effects. With the rear lower as you have it, air will get under the front, have less room to exit in the back, and as a result build pressure under the car, you will experience some lift, and lightness of steering, depending on speed. Some on the AC/RR forum have stated it can get very hairy at 120+ with no rake (even front back, not negative as you have it).
Around town it will make no difference, and will certainly not hurt anything, but you may work your way up to higher speeds to make sure you don't feel any instability.
answer to question #1 no. answer to question # 2 maybe
Just mostly around town driving. I think im going to try it like this for a while and see how I like it.. and take in in for a alignment tomorrow..
Burning Brakes
Joined: Nov 2004
Posts: 1,028
Likes: 0
From: Fort Worth Texas
Originally Posted by ZOsix
Thanks for the information..
answer to question #1 no. answer to question # 2 maybe
Just mostly around town driving. I think im going to try it like this for a while and see how I like it.. and take in in for a alignment tomorrow..
answer to question #1 no. answer to question # 2 maybe
Just mostly around town driving. I think im going to try it like this for a while and see how I like it.. and take in in for a alignment tomorrow..
Thread Starter
Racer
Joined: Nov 2002
Posts: 337
Likes: 5
From: Marengo Illinois
Originally Posted by ALLKAR
Looks GREAT!!
I prefer a 1" rake front to rear, but I had to go with coilovers to get it.
I prefer a 1" rake front to rear, but I had to go with coilovers to get it.
And by seeing your car in your threads you posted you are the one to blame for me wanting to go lower. But thats a good thing I guess
Quote:
I assume you still have the tire height differential between front and rear to keep the A/H system happy?
Yes. No problem with that.
Last edited by ZOsix; Jun 2, 2005 at 11:57 PM.
Melting Slicks
Joined: Aug 2003
Posts: 2,406
Likes: 0
From: Fly Over State
Senior Member
Cruise-In V Veteran
Originally Posted by ZOsix
ALLKAR You definitely have one awesome ride there.
And by seeing your car in your threads you posted you are the one to blame for me wanting to go lower. But thats a good thing I guess
And by seeing your car in your threads you posted you are the one to blame for me wanting to go lower. But thats a good thing I guess
& nice ride!!
Melting Slicks
Joined: Apr 2003
Posts: 2,285
Likes: 16
From: Nashville TN
A 1/4" to 1/2" rake is needed for aerodynamics. I like to mantain an equal gap between the tire and fender lip, which will provide the needed rake. Remember that the rake should be measured from the ground to the jacking puck locations on the frame not to the fenders. I personally do not like the rear lower than the front. Nice looking car.
CF Enhanced Member
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From: Section 326 Row A!! Finally. Go STARS!!
Cruise-In VI Veteran
St. Jude Donor '06
As stated above you need it only for high speeds. I lowered mine all the way on stock bolts...looks great, but it really messed up my high speed performance. I raised the rear 1/2" and now I'm good up to 150, but beyond that I float. I'm going to come up another 1/2" and hopefully that will keep me stable up to 170.
