NPT435 Q&A

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 11:41 am

I have 2 questions about my tranny, and hopefully this thread will help others ask their questions as well.

1: when I shift into 3rd, I must go past the slot and pull back towards me as I go into gear or it grinds. What causes that and what will it take to fix it.

2: Where is the sensor, lead, wire, or switch located on the tranny so I can hook up the back up lights.

Thanks in advance for your help, suggestions, and advice.

fordman · Post by **fordman** » Mon Jan 07, 2008 12:29 pm

the switch is on the drivers side near the top of the trans.

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 12:43 pm

fordman wrote:the switch is on the drivers side near the top of the trans.

Thanks!

averagef250 · Post by **averagef250** » Mon Jan 07, 2008 8:24 pm

Your top shift plate is worn and allowing the shifter to try and grap 1st when your going into third.

I've never seen this with 435's, but it's a very common problem with early T-18's.

Sure you don't have a T-18? Just the way the shift rails are laid out in an early T-18 makes them prone to this, your best bet is to get used to it if you have a T-18.

My427stang · Post by **My427stang** » Mon Jan 07, 2008 9:38 pm

Often the shift lever itself wears and it lets the lever crooss over before its all the way out of the prior gear

I have welded up and ground many, its pretty easy fix, weld it, grind it round again, and stick it back in the hole LOL

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 9:55 pm

How do I tell the difference between a T-18 and a NPT 435? It is a 4 speed. 1st is 00 you normally shift 2-4 unless pulling something heavy.

fordman · Post by **fordman** » Mon Jan 07, 2008 9:57 pm

which way is reverse? over and up or over and down?

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 10:13 pm

over and up

theskytoucher · Post by **theskytoucher** » Mon Jan 07, 2008 10:54 pm

You have a t-18

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 11:19 pm

Well I'll Be! You learn something new every day! Thank you theskytoucher!

Cough cough.

Well, in the future I guess I will need to post in a T-18 thread!

Ok, is the reverse light connection going to be in the same place mentioned before?

theskytoucher · Post by **theskytoucher** » Mon Jan 07, 2008 11:25 pm

Yes it is! And i have a t-18 also and have the problem with grinding first trying to find third!!! After awhile you just get used to driving it that way!!!

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 11:30 pm

Yeah, It just stinks when you are looking for speed. I hope to fund some of the restoration by winning burnout competitions because this baby boils! But it sucks on the occasion that I can't shift smoothly. It will boil the tires through all 4 gears. I actually only miss 3rd when I am speed shifting.

theskytoucher · Post by **theskytoucher** » Mon Jan 07, 2008 11:34 pm

Some will say you cant speed shift one of these transmissions but it can be done with a lot of practice!!!!

Sabbaticus · Post by **Sabbaticus** » Mon Jan 07, 2008 11:39 pm

theskytoucher wrote:Some will say you cant speed shift one of these transmissions but it can be done with a lot of practice!!!!

Yep, I am pretty good at it, I miss it about 20% of the time though.

averagef250 · Post by **averagef250** » Tue Jan 08, 2008 9:47 pm

Shifting like that is the reason why it does what it does.

Keep driving like that and you'll learn what it feels like to shift without synchros. Might even get lucky and snap a shift fork.

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