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Throttle body for a 140hp softail.

Started by 838, July 28, 2020, 10:10:58 AM

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838

07-09 96" night train will be either a 117-124 (hopefully pushing into the high 140s) What throttle body will support this? Part numbers would be ideal. Thank you in advance.

Ohio HD

Hard for anyone to give you a part number, you didn't specify intake runner size in the heads. Talk to the man doing the head work and see what he's making for you. If the heads and exhaust will support the HP goal, a 55mm or 58mm, or their 55/58mm manifold unit will get you there.

https://www.horsepowerinc.net/cable-driven-2001-2017-big-twin-twi

TorQuePimp

Quote from: Ohio HD on July 28, 2020, 04:11:25 PM
Hard for anyone to give you a part number, you didn't specify intake runner size in the heads. Talk to the man doing the head work and see what he's making for you. If the heads and exhaust will support the HP goal, a 55mm or 58mm, or their 55/58mm manifold unit will get you there.

https://www.horsepowerinc.net/cable-driven-2001-2017-big-twin-twi

This

Ecept a 55 won't cut it

58 minimum


RTMike

If your going 124 a 62 mm HPI throttle body with the proper size manifold to fit the intake ports,talk to your head guy for the specs you need.

838

So HPI is the only/best option? HD does not make a larger TB for the softail?

Nastytls

I used the 62mm SE throttle body and had Larry port match the intake to the heads. I believe your bike is cable operated, so this would work for you.

Ohio HD

Harley Davidson TB's are one size fits all.

So what is the runner size in the heads?

Barrett

This post kept me away from the SE. I don't want to be wondering how my luck is while I'm riding.
https://harleytechtalk.com/htt/index.php/topic,86959.msg986374.html#msg986374

RTMike

HPI good product and great people to deal with.

ThumperDeuce

I run a HPI 58/62 on my Deuce.  150hp 120cui.
Idiots are fun, no wonder every village wants one.

838

Quote from: Ohio HD on July 29, 2020, 07:21:33 AM
Harley Davidson TB's are one size fits all.

So what is the runner size in the heads?

Right now it's a stock put together 96". Haven't even picked her up yet. Don Does my head work so I'll let him decide on the runners.

Ohio HD

Quote from: 838 on July 30, 2020, 09:11:15 PM
Quote from: Ohio HD on July 29, 2020, 07:21:33 AM
Harley Davidson TB's are one size fits all.

So what is the runner size in the heads?

Right now it's a stock put together 96". Haven't even picked her up yet. Don Does my head work so I'll let him decide on the runners.

I'm sure Don can suggest a complimenting TB for the heads he supplies. Your getting the cart in front of the horse.

838

Quote from: Ohio HD on July 31, 2020, 07:03:22 AM
Quote from: 838 on July 30, 2020, 09:11:15 PM
Quote from: Ohio HD on July 29, 2020, 07:21:33 AM
Harley Davidson TB's are one size fits all.

So what is the runner size in the heads?

Right now it's a stock put together 96". Haven't even picked her up yet. Don Does my head work so I'll let him decide on the runners.

I'm sure Don can suggest a complimenting TB for the heads he supplies. Your getting the cart in front of the horse.

I tend to do that :). I like to learn and get multiple opinions/critiques for myself.