harmonic balancer bolt?

[mikeoverland]

Greetings all! I am in the process of replacing the harmonic balancer on the 250/I6 and i have a stupid question. Does this motor have a crank snout bolt that needs to be removed before i pull the balancer? I have looked, prodded and poked and I can't find one. I was going to pull the balancer and replace that and once that was done I was going to replace the transmission but if i have to pull the motor to fix a broken crank snout bolt........... Please let me know

Mike

 

[Snoots]

Only the high-performance small blocks had a bolt. You'll need to use a puller (borrow one from your auto parts store).
This tool can help you thread the crank for a bolt;

Crankshaft Drilling Fixture Balancer bolt 283 327 250 235 261 230 215 194 Tool

Use this tool to help drill the snout of cranks on 194 230 250 engines. Also works on SBC 283 327 as well for 235 261 The cranks are not drilled from the factory and adding the 7/16 bolt hole will aid you on installation of the balancer and retention of it. Precision made to fit on the end of...

www.12bolt.com

 

[mikeoverland]

Only the high-performance small blocks had a bolt. You'll need to use a puller (borrow one from your auto parts store).
This tool can help you thread the crank for a bolt;

Crankshaft Drilling Fixture Balancer bolt 283 327 250 235 261 230 215 194 Tool

Use this tool to help drill the snout of cranks on 194 230 250 engines. Also works on SBC 283 327 as well for 235 261 The cranks are not drilled from the factory and adding the 7/16 bolt hole will aid you on installation of the balancer and retention of it. Precision made to fit on the end of...

www.12bolt.com

th

that explains why there isn't one there...... Thanks for the assist and the advice.

Mike

 

[75gmck25]

Maybe I’m getting confused, but I think my original ‘75 engine and my GM crate 350 both had a bolt into the center of the crankshaft. It also has three smaller bolts to hold the fan belt pulley on.

 

[Snoots]

Maybe I’m getting confused, but I think my original ‘75 engine and my GM crate 350 both had a bolt into the center of the crankshaft. It also has three smaller bolts to hold the fan belt pulley on.

We're talking a 6 cylinder here.

 

[JBswth]

Only the high-performance small blocks had a bolt. You'll need to use a puller (borrow one from your auto parts store).
This tool can help you thread the crank for a bolt;

Crankshaft Drilling Fixture Balancer bolt 283 327 250 235 261 230 215 194 Tool

Use this tool to help drill the snout of cranks on 194 230 250 engines. Also works on SBC 283 327 as well for 235 261 The cranks are not drilled from the factory and adding the 7/16 bolt hole will aid you on installation of the balancer and retention of it. Precision made to fit on the end of...

www.12bolt.com

My 292 has center bolt, but most of the 250s I've seen do not.

J. B.

 

[Rickf]

All of the GMC inline sixes from the 50's that I have use crankshaft/balancer bolts.

 

[nvrenuf]

Only the high-performance small blocks had a bolt.

This is incorrect.

 

[DoubleDingo]

My 1966 292 has the bolt....

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