Torque Converter Bolt Circle Wrong

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MrJLR

MrJLR

Built, not bought
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Bummer....doesn't look like Friday will be drop-in day.....

The B.C. on the new converter is 4.85" and my flex plate is 5.5....or something like that. ...
Anyway, do I get a different flex plate or return the converter to Summit? They're great about returns.....

It's a 318 so neutral ballance.
Anyone wanna recommend a CORRECT part number for me?!!!
I believe this one (Hughes) is a 2200 - 2400 stall.....

Sucks, but I've waited this long, I'm gonna do it right.

Jeff
 
SFI flywheel? Usually has a few bolt patterns just watch the ring gear tooth count.
 
I found this info on Jegs website. The bolt pattern circle on your flex plate is supposed to be 10". Measure your flex plate from the center of one bolt hole to the center of another bolt hole (as long as its directly across from the other). That is your bolt pattern circle. Double check and let us know.

Hughes Performance 24-20
Hardware Included
No
Transmission Mfr.
Chrysler
Transmission Mfr. Code
A518 (46RH)
Transmission Mfr. Code
A727 (36RH)
Converter Hub Diameter (in)
1.876
Converter Input Spline
24
Converter Lockup
N
Converter Mount Type
4 PAD
Converter Pilot Diameter (in)
1.812
Converter Total Height (in)
5.500
Flexplate Bolt Circle (in)
10.00
Transmission Mfr. Code
46RE
Transmission Mfr. Code
47RE
Flexplate Balance Weight (lbs.)
N
Flexplate Ring Gear Teeth
130
Converter Mounted Ring Gear
Y
Anti-Ballooning Plate
No
Balanced
Yes
Furnace-Brazed
Yes
Input Spline Quantity
24
Lockup
No
Quantity
Sold individually
Manufacturer's Part Number:
24-20
 
straightlinespeed said:
I found this info on Jegs website. The bolt pattern circle on your flex plate is supposed to be 10". Measure your flex plate from the center of one bolt hole to the center of the flex plate and then double it. That is your bolt pattern circle. Double check and let us know.

Hughes Performance 24-20
Hardware Included
No
Transmission Mfr.
Chrysler
Transmission Mfr. Code
A518 (46RH)
Transmission Mfr. Code
A727 (36RH)
Converter Hub Diameter (in)
1.876
Converter Input Spline
24
Converter Lockup
N
Converter Mount Type
4 PAD
Converter Pilot Diameter (in)
1.812
Converter Total Height (in)
5.500
Flexplate Bolt Circle (in)
10.00
Transmission Mfr. Code
46RE
Transmission Mfr. Code
47RE
Flexplate Balance Weight (lbs.)
N
Flexplate Ring Gear Teeth
130
Converter Mounted Ring Gear
Y
Anti-Ballooning Plate
No
Balanced
Yes
Furnace-Brazed
Yes
Input Spline Quantity
24
Lockup
No
Quantity
Sold individually
Manufacturer's Part Number:
24-20
Click to expand...
Ok....just a sec....BRB
 
Flex plates are made in different configurations, you need to measure and get the proper one.

Some cranks have symmetrical bolt pattern, some non-symmetrical...

Then some torque converters have 10" bolt spread, some 11"...

Figure out if your crank is symmetrical or non-symmetrical bolt pattern, then measure the converter bolt pattern for 10" or 11", then pick out the proper flex plate here:

Mancini Racing
 
Measured twice. ..11.000".

I was a machinist for 25 years...I'm lucky to have 12" calipers
 
Last edited:
krazykuda said:
Flex plates are made in different configurations, you need to measure and get the proper one.

Some cranks have symmetrical bolt pattern, some non-symmetrical...

Then some torque converters have 10" bolt spread, some 11"...

Figure out if your crank is symmetrical or non-symmetrical bolt pattern, then measure the converter bolt pattern for 10" or 11", then pick out the proper flex plate here:

Mancini Racing
Click to expand...

Mine must be the 11" symmetrical.....ugh!
 
krazykuda said:
At least there is an affordable solution for you... Hopefully you can order it tomorrow and they can ship it to you ASAP....
Click to expand...
If they were open right now I'd be on the phone VISA in hand!

Thanks guys! I really appreciate it!

Jeff

Edit...wonder what overnight would cost?!!!
 
MrJLR said:
If they were open right now I'd be on the phone VISA in hand!

Thanks guys! I really appreciate it!

Jeff
Click to expand...

Remember that Mancini Racing is on Eastern time zone, and you are pacific.... They are a few hours ahead of you, if you call them on the phone...
 
Yup...just triple checked. ....

They are both symmetrical....
My flex plate is 11" & my new torque converter is 10"

Calling Mancini in the morning.
It's not like I don't have tons of other stuff I can do and the engine will go in NEXT week!

Jeff
 
MrJLR said:
Edit...wonder what overnight would cost?!!!
Click to expand...

Probably more than the part cost.... :eek:

But if it's worth it to you to get it right away, go for it... It's only $$$$..... :D

The old time vs. money issue.... :rolleyes:
 
krazykuda said:
Probably more than the part cost.... :eek:

But if it's worth it to you to get it right away, go for it... It's only $$$$..... :D

The old time vs. money issue.... :rolleyes:
Click to expand...

Naw...I ain't gonna. ....
I'm resigned that it isn't going to happen this weekend.
Oh well....There's always other stuff to work on!
Just glad I have an answer and it's pretty inexpensive.

Jeff
 
I've probably bent half a dozen of the stock flexplates tearing cars and I'd give you one if I had it.
 
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