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TH400 and a working speedometer???

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Old Aug 5, 2002 | 07:09 PM
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Default TH400 and a working speedometer???

I finished up my TH400 install last weekend and the only thing I haven't done as of yet is to hook up the speedo. I can't see spending ~$250.00 for Yanks piece. Nothing against Yank at all. It just seems mighty high.
Someone told me that there may be a much cheaper route using all GM parts/pieces. Anyone know of this?
What else have people done OTHER than the Yank part?

Tim
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Old Aug 5, 2002 | 07:18 PM
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Default Re: TH400 and a working speedometer???

its a part from a mid 80's GM truck. email Matt98SS. he used this part in his 400 install and may be able to give you a part number.
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Old Aug 5, 2002 | 07:29 PM
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Default Re: TH400 and a working speedometer???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Ryan:
<strong>its a part from a mid 80's GM truck. email Matt98SS. he used this part in his 400 install and may be able to give you a part number.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Thanks Ryan. Do you know his member #?, cause you have to search by a damn member # rather than by a name. WTF???????

Tim
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Old Aug 5, 2002 | 07:48 PM
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Default Re: TH400 and a working speedometer???

do the LS1s still use a 40 tooth reluctor? i have both the reluctor and sensor to use to make a th400 work with an LT1 speedometer. makes it work perfect in Auto cars(they origionally had 40 tooth reluctors). 6 speed cars have to have an A4 file with all the tranny funtions disabled to use it, but there is no option to make the tranny work with a 6 speed PCM file in LT1 cars.

if LS1s are the same way, i bought my sensor and reluctor from Sam Smith (cheapest place i know of to get GM parts). they are brand new and still in the sealed plastic. ill sell them for a small loss

dn95formula@aol.com
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Old Aug 5, 2002 | 07:50 PM
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Default Re: TH400 and a working speedometer???

part #s are
reluctor ring- 8655291
sensor- 8655315
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Old Aug 5, 2002 | 08:05 PM
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Default Re: TH400 and a working speedometer???

Sounds like a good deal. Does this just plug right into the original LS1 harness.
I'm not sure about the reluctar, but I will do some searching.

Thanks,
Tim
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Old Aug 6, 2002 | 09:33 PM
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Default Re: TH400 and a working speedometer???

I did some searching and everything I saw said 40 tooth reluctor wheel. Course NONE said anything LS1 specific.
chevy guy, you have mail.

Tim
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Old Jul 1, 2008 | 06:00 PM
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Default

Originally Posted by chevyguy3
part #s are
reluctor ring- 8655291
sensor- 8655315
Dragging up an old post but theres some bad info quoted here that I just found while doing a search, dont want anyone having any problems.

The part #s are reversed. It should be,

reluctor ring- 8655315
sensor- 8655291

Sensor is showing a revised part # of 2133513 according to a non-vendor website. Anyone looking to buy one can check into that more.
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Old Jul 2, 2008 | 11:32 AM
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Yea, there are also two reluctor wheels depending on what size output shaft you have. 32 spline is one size and 27 spline is another.
Yanks tailhousing I'm assuming has a TA mount? I see no other reason for the need to change the tail housing.
You need a chassis mountned TA to use all GM stuff witht he stock tail.
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