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Old 06-01-2005, 09:25 PM   #1 (permalink)
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Aftermarket seat mounting questions?? Need Help!!

I want to buy two seats from "Tenzo r" the following link is a website taking you to the specs and pictures of the seats.....
http://www.tenzoracingsports.com/seats/rally/index.html

The seat width is 22 inch.

I own a 98 tacoma ext cab.

What kind of mounting problems am I going to encounter. Will I be able to mount them on the factory brackets Or will I have to fab a special mount?


thanks
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Old 06-01-2005, 10:21 PM   #2 (permalink)
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^Tenzo is a good company, the only problem is they don't sell rails to mount the seats in your truck. One of the holes might line up, but you will probably have to farbicate a bracket for the seats. If I were you I would check out Corbeau racing seats. I believe they even make brackets for your model truck and other models. Here's the website: http://www.corbeau.com/

Hope that helps some. If you decide to go with the Tenzo seats, there are various aftermarket seat installation tutorials all over the net, just have to look.
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Old 06-02-2005, 01:53 PM   #3 (permalink)
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You will end up having to fabricate / tweak / mod some metal to mount the Tenzo seats.

Tacomas do not have 'brackets' upon which the seats are mounted. Instead, the mounting 'feet' are part of two pieces (one per side) that integrate into the seat assembly. To see what I'm talking about, go to:

http://fsm.afraid.org (the 2003 Factory Service Manual materials online)

... and download / examine the files relating to seats (under the Body section).

Your options would be to completely fabricate new bases / mounts to fit the Tacoma mounting scheme or to fabricate a bottom-mount frame compatible with the Tenzos onto which you could graft the bottom portions of the OEM seat side pieces.

You may also find it helpful to check out my seat installation tech articles in the Tech section over at Custom Tacos.
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Old 06-02-2005, 03:51 PM   #4 (permalink)
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I had a problem in my 88 pickup, for some reason toyota actually builds the slides into the seats. I was putting some integra seats in my truck, and I ended up having to make some L brackets for the back slides, and just bolting it in through the L-brackets. The brackets ended up costing me... think they were $5 each at a local machine shop that happend to have some scraps left over that he made the brackets out of.
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Old 06-03-2005, 12:41 PM   #5 (permalink)
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Quote:
Originally Posted by SovereignScorn
I had a problem in my 88 pickup, for some reason toyota actually builds the slides into the seats. ...
Yep - that's what I was referring to in my earlier post...

Some seats - especially aftermarket seats like Recaros - use a 'layer cake' scheme (base on the bottom / slider assembly in the middle / seat unit on top). Toyota doesn't use this approach. Instead, there are combination base / slider pieces on each side of the seat assembly. This makes it difficult to use any portion of the stock Toyota mounts / bases / sliders unless you literally cut 'em off the Toyota seat assemblies and then graft (i.e., weld) 'em onto the new piece(s).

This is why the easiest seat transplant strategy is to go with an aftermarket seat for which someone (e.g., Recaro, Corbeau, Wedge) makes a Toy-specific bracket (onto which you simply bolt your new seat). Unfortunately, this is also the most expensive approach, given the costs for the better-quality seats and custom brackets...
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Old 06-04-2005, 03:52 AM   #6 (permalink)
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Quote:
Originally Posted by EnolaGaia
Yep - that's what I was referring to in my earlier post...

Some seats - especially aftermarket seats like Recaros - use a 'layer cake' scheme (base on the bottom / slider assembly in the middle / seat unit on top). Toyota doesn't use this approach. Instead, there are combination base / slider pieces on each side of the seat assembly. This makes it difficult to use any portion of the stock Toyota mounts / bases / sliders unless you literally cut 'em off the Toyota seat assemblies and then graft (i.e., weld) 'em onto the new piece(s).

This is why the easiest seat transplant strategy is to go with an aftermarket seat for which someone (e.g., Recaro, Corbeau, Wedge) makes a Toy-specific bracket (onto which you simply bolt your new seat). Unfortunately, this is also the most expensive approach, given the costs for the better-quality seats and custom brackets...
Not only that, but finding brackets that will fit your truck can cause a problem. On that subject, are all toyota seat mounts the same (for front buckets), or do certain years/models use different mounts?
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Old 06-04-2005, 12:03 PM   #7 (permalink)
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Quote:
Originally Posted by SovereignScorn
Not only that, but finding brackets that will fit your truck can cause a problem. On that subject, are all toyota seat mounts the same (for front buckets), or do certain years/models use different mounts?
So far as I've been able to figure out, the bolting scheme (buckets and 60/40's) is definitely identical across all Tacos of the same generation / sub-generation (e.g., Tacomas 95.5 - 97; 98 - 00; 01 - 04).

I believe this general rules carries backwards to the preTacos (e.g., 89 - 95 generation).

The bucket and 60/40 bolting scheme appears to be identical across the entire Tacoma I era (95.5 - 04), though I've seen reports where someone says they had to make some (minor) bends or changes to make things fit.

For Tacomas 95.5+, the single bench seat (Regular Cabs) uses a subset of the 8 bolt holes used for the buckets and 60/40's. I've seen claims that the single bench use either 4 or 6 of the bolt holes. It may vary by model year or something - I've never been able to get clarification on this point.

For Regular Cabs with the single bench, the additional bolt holes (for the 8-hole bucket scheme) are already there, pre-molded into the floorpan. They may be either (a) solid, ready to drill out or (b) pre-drilled but closed up with rubber or plastic plugs.

Nothing is a straightforward bolt-in to a Tacoma other than another Tacoma seat. If you try the similar (e.g.) 4Runner seats, you'll do well to line up 3 of the 4 holes per seat. With Celica and Corolla seats, I understand you'll only line up 2 - 3 of the 4. For the additional ones, you'll need to do some cutting / fabbing / welding / whatever.
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Old 06-04-2005, 12:08 PM   #8 (permalink)
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I realize I might have not answered the question you meant.....

The twin-base (one per side) construction of the Toyota (truck) buckets dates back at least as far as the 89 - 95 generation of preTacos.

At least for the Tacoma I generation, no - there is no Toyota OEM seat (much less anyone else's) that's a direct bolt-in replacement.

I've never been able to determine how different the Taco I and the Late PreTaco (89-95) mounting schemes are. I've seen claims of transplants from one era to the other, but never any details on what was involved.
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Old 06-05-2005, 09:04 PM   #9 (permalink)
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Maybe I should just get a list of when the models changed and go look for trucks and look at the seat bolt patterns
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Old 06-05-2005, 09:12 PM   #10 (permalink)
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lol, when I saw the title of this thread I was going to tell you to do a search on customtacos, using EnolaGaia's screenname

Enola is THE MAN!!!
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Old 06-11-2005, 10:13 AM   #11 (permalink)
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Quote:
Originally Posted by SovereignScorn
... On that subject, are all toyota seat mounts the same (for front buckets), or do certain years/models use different mounts?
An odd follow-up on this point...

I just saw an install report over at Tacoma Territory that illustrates how subtle the differences can get. A guy transplanted 86 - 88 4Runner seats into his 1994 pre-Taco. The driver's side was a direct bolt-in. The passenger side required him to drill 3 (out of 4) entirely new holes. Why? The seats had come out of a *2-door* 4Runner. Apparently they used a different bolting scheme (and seat base hole pattern) on the 2-door's to permit the seat to move forward for access to the back...

Oh, and Cam'... Thanx for the 'plug'... ;-)
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Old 06-15-2005, 11:57 PM   #12 (permalink)
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I changed the 60/40 bench in my 91 4x4 toyota x-cab pickup to buckets that I got out of a nissan pickup. I took the whole slider track assemblys from my original toyota seats and transfered them to the buckets I got out of the nissan. Two holes lined up fine. The other two I had to drill in the track to make them mount up. The original tracks had dimples in the exact spot where I needed to drill the holes.

You may be able to use your original seat tracks and switch them to the new seats you want to install. You might have to drill a couple of hole to make them mount up the way you want. What type of seats are in your truck now? This worked out great for me. I got rid of the 60/40 setup and installed two buckets in a little over an hour.

I Hope this works out for you as well!

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