Just as a datapoint: I'm 6'5" and tried an Ergo L. Shoulder holes were way too low when wearing a hans, even w/ the seat cushion removed.

 

Ok, that makes me think I need to get medium (145lbs, 5'8") just because of shoulder holes. I will probably need to get some extra padding to make it not too lose

 

I'm 5'10" and about 150 the med Ergo fits me great, I had to make the bottom padding a little thinner for my application. Wish I had a better pic sorry

 

So I got Sparco Ergo medium, and it's the right height for me - I'm glad I did not go for small.

But it's quite a bit wide in the butt. I'd add a bit of padding there. What's the best way to do so?

Also, the front bottom cushion (under the hamstrings) is a bit too long and tall, and pressing under knees a bit too much. It may compress over time, but I'd like to try a smaller cushion. Is there a way to get one without making it?

 

Just to add my $.02, I just installed a couple of a Sparco Ergo large seats, and they fit me beautifully. I am 5'10"+ amd 215 lbs. with a 38" waist and very broad shoulders. The width at the seat bottom is just enough to be comfortable, but still hold you immovably in the seat, and the shoulder holes are perfect, right in line with the tops of my shoulders. The back width is also very broad. I probably will add some additional cushioning to the bottom to accommodate my bony butt, but that is it.

--Peter

 

I am also 6'8", but a little heavier at 275-280 w 40" waist. I sat in the Ergo L The seat was fine, the harness holes were a tad low, but the halo dug into my shoulders. I don't have a particularly long torso, inseam 36". Was looking at the Raceteck 4009 THR. Don't think I need the WTHR Anyone have any experience? I currently sit in a Recaro Profi XL and fit well. The Recaro halo is also too low and digs into my shoulders.

 

Max, did you ever figure out a good solution for modifying the cushions of your Sparco Ergo? I'd like to get one too, and my measurements are similar to yours - I'm about 5'9",160 lb and 31" waist. Seem as if the Ergo medium may have a somewhat wide bottom relative to the rest of its proportions.

 

Bumping this back up ... anyone ever sat in a Sabelt Taurus XL (also called the GT-160)? According to specs, it is a little taller (30mm) than the Racetech 4009WTHR, but a little narrower int eh shoulder (20 mm).

http://www.sabelt.com/en/racing/Prod.../06GT-160.aspx

 

Just an FYI, I just sat in a Racetech 4119 WTHR seat last weekend, and although not cheap, the fit was perfect. First head restraint seat I could fit in at 6'8". The harness holes lined up well, and it had a very nice finish.

 

Hey OGRacing,
Could you assist with the one very critical measurement of dimension "n" that is missing from this and every Sparco size chart? http://www.ogracing.com/sparco-ergo-...ss-racing-seat
it is the most important measurement for my purchase and it is not present...
Any assistance would be greatly appreciated.

thanks
Robb

 

It's going to be very close to "c". The sides of the seat bottom are nearly parallel as on the outside there is only a 1/8" difference in the seat width between the seat brackets when they are bolted up.

I may be able to measure it this weekend on my Ergo larges.

-Mike

 

We measured all three sizes. The "N" dimension is:
Small 360mm foam not compressed, 380mm foam compressed
Medium 380mm foam not compressed, 400mm foam compressed
Large 380mm foam not compressed, 420mm foam compressed

Hope this is helpful.

Bill

 

thank you for the excellent information! Once I figure out what I need I will let you know

thanks
Robb

 

Okay -- epic threadbump, but I have a question. I can't seem to find an Ergo to sit in either. I find most of the Sparco seat harness holes are too low, but like the flexibility of the Ergo.

Would I fit in a M? 5'11", 155 lbs, very athletic/tapered build: 30" waist, 39" shoulders. Skinny ***/legs, so concerned Large woudl be too big.

As a datapoint: I REALLY liked the fit of the OMP WRC-R seat, but want option of adding/removing Halo.

Thanks!

 

Wintershade:
Based on your measurements you will fit in an Ergo Medium. You and I are the same height and I weigh 20 lbs more than you will a 33" waist and I fit well in it. Let me know if you need more information.

Kind regards,