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Old 10-20-2007, 01:44 PM
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newer sbc 350 to older turbo 350

Hi
I have a 92 350sbc,it"s the newer style with the centerbolt valve covers and one piece rear seal ,it has a 163 tooth flywheel. I have an older turbo 350 I know the houseing bolt pattern is the same, but what about torque converters? Will I have to get anything special,or will any one for a turbo 350 work?

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Old 10-20-2007, 03:31 PM
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I don't think they went to the new metric flexplate pattern until 98, so you should be safe.
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Old 10-20-2007, 05:37 PM
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how can I tell if I have a metric flexplate?
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Old 10-20-2007, 06:06 PM
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Quote:
Originally Posted by yragat
how can I tell if I have a metric flexplate?

the LS series of engines has the different bolt pattern for the converter bolt up. The trucks started in 1999 with the LS engines.

I am not sure on the F body cars
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Old 10-20-2007, 06:23 PM
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my engine is from a truck (I think) what should the measurement between the torque converter holes be if it"s not metric?
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Old 10-20-2007, 06:38 PM
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Quote:
Originally Posted by yragat
my engine is from a truck (I think) what should the measurement between the torque converter holes be if it"s not metric?
Do you have an LS motor?

Do you know what an LS motor looks like?

Does your engine have a distributor or coil on plug ignition?

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Old 10-20-2007, 07:03 PM
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It has a distributer
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Old 10-20-2007, 07:37 PM
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Then you don't have the metric pattern.

Even on the tiny chance you did have a mismatch of parts, you can just use a metric flexplate, or a different torque converter, but I really can't see that being the case. A 92 SBC wouldn't have come with metric flexplates.

By the way... RWD cars like the Fbody got the metric flexplate in 98 when they switched to LS1s, trucks in 99-00
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Old 10-20-2007, 07:52 PM
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Thank you very much!
Gary
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