Wheeler’s T12 and T13 rear coils?

[Blute]

Been doing a lot of searching, but haven’t found many answers regarding the Wheeler’s T12 and T13 rear coils for our 4th Gens. Wheeler’s doesn’t have great info regarding specs on their website nor do they respond to emails. Anyone have reliable information on the free height or spring rate for these coils?

I’m also interested in user’s experiences. The T12 is listed as a 1.5” spring for the 4th Gen and a 2.5” spring for the 5th Gen, but most folks have been getting 2.5”+ on their 4th Gen with that spring. Anyone have any different results with the T12?

For the T13, Wheeler’s says it’s only for a 5th Gen, and lifts 1.5”. But I bet it would also work for a 4th Gen. The way they seem to understate lift height, I wonder how much it would actually lift on the 4th Gen. Has anyone actually used this spring or have any other information on it?

 

[crete01]

I can't speak to the T13, but I have the T1/T12 in mine with Bilstein 5100s. As far as the actual lift, I have no freaking clue because my stock springs were so shot. The T1/T12 have probably settled about .5" to 1" over the last two years. I carry about 170lb of extra constant load.

If the coils are providing different amounts of lift, I would assume that the 5th gen stock springs are slightly shorter than stock 4th gen, which would explain a higher lift on that spring for a 5th gen. If the T13 is lifting a 5th gen 1.5", I would guess that the lift on a 4th gen would be minimal, .5" or so.

 

[k_marshall]

I have eibach and T1 and T12.
T1 at bottom perch and driver 1/4 lean spacer gave me an even 2.5~2.75 inches.

T12 initially was at 2.75 driver and 2.85 passenger.

I think you would need T12, as if you load your rear you still have some acceptable rake. Bothpics have some just about 120 lbs of load.

Shared album - Kirubaharan Subramaniyan - Google Photos

Shared album - Kirubaharan Subramaniyan - Google Photos

 

[y=mx+b]

If they customer support is bad, I'd just skip them altogether

Dobinson has a zillion rear coil options, so there bound to be one that fits your application [MENTION=148378]Crikeymike[/MENTION] is the man

 

[Blute]

I can't speak to the T13, but I have the T1/T12 in mine with Bilstein 5100s. As far as the actual lift, I have no freaking clue because my stock springs were so shot. The T1/T12 have probably settled about .5" to 1" over the last two years. I carry about 170lb of extra constant load.

If the coils are providing different amounts of lift, I would assume that the 5th gen stock springs are slightly shorter than stock 4th gen, which would explain a higher lift on that spring for a 5th gen. If the T13 is lifting a 5th gen 1.5", I would guess that the lift on a 4th gen would be minimal, .5" or so.

Good info. Do you have any current hub-fender measurements of your setup?

 

[Blute]

If they customer support is bad, I'd just skip them altogether

Dobinson has a zillion rear coil options, so there bound to be one that fits your application [MENTION=148378]Crikeymike[/MENTION] is the man

Very true, and I have already received some info from Mike and am also looking at Dobinson's as an option. The Wheeler's coils and shock options are a bit cheaper, however.

 

[Blute]

I have eibach and T1 and T12.
T1 at bottom perch and driver 1/4 lean spacer gave me an even 2.5~2.75 inches.

T12 initially was at 2.75 driver and 2.85 passenger.

I think you would need T12, as if you load your rear you still have some acceptable rake. Bothpics have some just about 120 lbs of load.

Shared album - Kirubaharan Subramaniyan - Google Photos

Shared album - Kirubaharan Subramaniyan - Google Photos

Thanks, and I also received your PM. Your rig looks really good. If you get a chance, post some recent hub-fender measurements here for others to see.