[Alfamale 62]

Can anyone tell me if my GT junior should be set up with a slight rake to the back so the rear looks to be squatting a little
Should the top of sills be level? Can anyone tell me the dimensions from front lower arm suspension pivot centre (Dogbone bolt centre) to floor and trailing arm chassis pivot centre to floor at the rear
Reason I’m asking is I have a slight dip on left front and I’m getting a little bump steer, car is on lowered springs and I just want to base line the set up before diving into dropped spindles etc

 

[shane1750]

Perhaps this may help

 

[roadsterswap]

Thank you for that PDF!

 

[Alfamale 62]

That’s a keeper for sure but not sure I can use it on a lowered car
Should I be aiming for the sills to be level with the floor or does the car sit lower in the back?

 

[Castrol]

I have always worked on having the sills level, this is, If I recall correctly, noted in the Alfaholics fitting instructions for their lowering kits. With that level it appear that the rear is squatting slightly.

 

[brad fischer]

This is the ride height I achieved with my new Eibach spring set and adjusted the stance with aluminum shims at the 4 corners.

 

[Alfamale 62]

Brad can you measure the pivot points to the floor as that looks just right

 

[brad fischer]

I have 205/60/15s so that will affect the height compared to different tire diameters. Pivot points?= Jacking points? I can't do that measurement now and didn't last summer. But I have many measurements to the 4 fender lips I can post. Eibach set for GTs from CA, 21.5mm rear shims, 3mm LF & 7mm RF shims, deep pan on the passenger side, shallow front spring pan on the drivers side. This is a LHD car and for reference the pans are about 10mm different in the depths.

 

[Alfamale 62]

Pivot points are the bolt centres for wishbones and rear trailing arm
If you can post what dimensions you have I can see what fits my situation

 

[brad fischer]

Wanted: Photos of Alfas with Eibach springs (SU091 from CA) and ride height info | Alfa Romeo Forums (alfabb.com)
1970 1750 GTV S2 Euro Rolling Restoration | Page 19 | Alfa Romeo Forums (alfabb.com)

 

[brad fischer]

I have misplaced my notebook where I documented the four corner ride heights through the install of different springs and spacers. It will turn up eventually.
edit: found it.
Fender lip measurements, full tank no driver.
LF 25-1/2" RF 25-1/4" LR 23-15/16" RR 23-13/16"

 

[Alfamale 62]

Will check mine and report back , I guess I should be looking for 1.5 inch less at the back from the front

 

[Jim Spackman]

Yes, sills level with the floor. You can take a side photo of the car and draw lines on it in MS Paint like this-

You can see that the style line along the car droops down towards the rear making the car look like it's sitting down at the back even though it isn't. Also that the rear arches have a flat top where the front is radiused leading to people thinking that the front is too high. Then they go and drop the front to try to equalise the gaps and end up with this-

Early cars (up to 67) had different shaped rear arches that exaggerate the "rear down" look-

 

[roadsterswap]

Thanks for showing that with the lines. This is a good reference shot I am going to save.

 

[brad fischer]

A few of us did that last year while adjusting with spacers. A grid comes up on photo editing and you can rotate the photo to make sure the wheels are level.

 

[roadsterswap]

I love this BB, So much help and support. Cool cars and cool people. Thanks!

 

[brad fischer]

By putting the photos in photo-shop I can see that the rockers are level with the rims. So I want the rockers to slope down in front a bit.

Wanted: Photos of Alfas with Eibach springs (SU091 from CA) and ride height info | Page 3 | Alfa Romeo Forums (alfabb.com) Post #57 & 58
Full tank no driver I have a slight tail up, according to the bottom of doors or rocker.

 

[Jim Spackman]

Thanks for showing that with the lines. This is a good reference shot I am going to save.

It's something I've put in the fitting guides for all our suspension kits. I've actually used that picture of the blue car as an example of "how not to..."

It's easy to do too, all you need is a side on shot of the car. Brad suggested squaring the picture up but there's really no need, MS Paint let's you just connect two points with a line so as long as they look parallel that's good enough. I use the top edge of the wheel rim as that removes the tyres from the equation

 

[Anotherdownunder]

It's something I've put in the fitting guides for all our suspension kits. I've actually used that picture of the blue car as an example of "how not to..."

It's easy to do too, all you need is a side on shot of the car. Brad suggested squaring the picture up but there's really no need, MS Paint let's you just connect two points with a line so as long as they look parallel that's good enough. I use the top edge of the wheel rim as that removes the tyres from the equation

Thanks Jim. That pic with the lines is exactly what I needed too.

 

[Jim Spackman]

Thanks Jim. That pic with the lines is exactly what I needed too.

I should imagine that after a couple of hours of everyone taking photos of their cars and messing around in MS Paint, spring spacer sales will go through the roof.