How do I fix this?

[Banshee2105]

So I'm pretty sure this crank that I got for this motor is a stroker crank and that's the issue here. I'm trying to do an all stock setup.

 

I need to know how to fix this ASAP. I have a trip coming up and I *really* don't want to tear this engine back down.

 

Is there anything I can do? Of course if I have to I will tear then engine down and replace the crank.

 

This crank is welded. If it comes down to it, anyone game to trade for a stock crank?

 

Thanks guys!

 

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[gusto]

Well quick fix assuming you know the stroke of crank is to have the domes cut.

do you have the packaging the crank came in?

[JUSTWANNARACE]

If I was to guess it is a long rod crank and you need 795 long rod pistons. To stick out that far with the correct pistons it would have to be a 10mm stroke or bigger. Cause a 7mm stroke with 115mm rods and 795 pistons the ring will not come out of the cyl. A 10mm stroke with a 795 piston the rings will come our of the cyl.. 

[JUSTWANNARACE]

Do you have any pics of the crank before it was installed? 

[Banshee2105]

Do you have any pics of the crank before it was installed? 

I do not. I didn't even think this would be an issue.

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[JUSTWANNARACE]

There is no "quick fix" with what you have going on there. You will need to figure out the crank and rods so you know what you have and what pistons you need. 

[JUSTWANNARACE]

If you can measure the the total distance of the piston pop out at TDC then we can probably point you in the right direction 

[gusto]

Could also be wrong pistons

[JUSTWANNARACE]

If it's a stock stroke long rod with stock style pistons it's going to stick out 5mm.. if it's a 4mm long rod with stock style pistons it's going to stick out 7mm ect..

[Banshee2105]

1 hour ago, JUSTWANNARACE said:

There is no "quick fix" with what you have going on there. You will need to figure out the crank and rods so you know what you have and what pistons you need. 

Could you tell me what and how to measure the crank?

[Banshee2105]

1 hour ago, JUSTWANNARACE said:

If you can measure the the total distance of the piston pop out at TDC then we can probably point you in the right direction 

The piston is sticking 5mm out of the cylinder at TDC.

[Banshee2105]

1 hour ago, JUSTWANNARACE said:

If it's a stock stroke long rod with stock style pistons it's going to stick out 5mm.. if it's a 4mm long rod with stock style pistons it's going to stick out 7mm ect..

So I just measured and at TDC the piston is sticking out 5mm. What is the fix for this?

Edited December 24, 2017 by Banshee2105
Typo

[JUSTWANNARACE]

Swap the piston out for wiesco 795 series long rod pistons

[locogato11283]

[Rigid_Banshee]

Are those cylinders brand new oem, Niche, or used ? Just wondering the new looking paint caught my attention.