Bolt size info needed

[drewbert41]

Can someone please tell me the size of the bolt in the bottom left corner of the image?

[frenchy51]

Originally Posted by drewbert41

Can someone please tell me the size of the bolt in the bottom left corner of the image?

If you're asking what wrench to use to remove it-it takes an allen wrench-not sure size-use one that fits it snug. They make them that can be used on a ratchet wrench like a socket....Hard to tell fro the poicture but it looks like it might be "buggered" up? If so try a vise grip to remove. You'll ruin the bolt but you'll get it out...(hopefully)

[IIGW]

3/8-16 1 to 1.5 in length, probably 3/8 allen head

[drewbert41]

That is not my engine. I just lost that bolt when I took my alternator off to install headers. Looking for what size bolt to buy to replace it with.

aw hell basically I need every nut and bolt in the picture as mine are all rusted and I lost track of what is what.

[LockDoc]

Originally Posted by drewbert41

That is not my engine. I just lost that bolt when I took my alternator off to install headers. Looking for what size bolt to buy to replace it with.

aw hell basically I need every nut and bolt in the picture as mine are all rusted and I lost track of what is what.

Just be sure and buy at least Grade 5 bolts for the engine components.

LockDoc

[Grumpy old man]

5/16 x 1" with 9/16th hex head

[Redline novdog]

Originally Posted by iigw

3/8-16 1 to 1.5 in length, probably 3/8 allen head

x2

[Gromit]

The board took care of you already here but if you need any other bolt sizes, this site has been a help to me:

http://www.torkspec.com/torkspecme.a...-5.7L-350ci-V8

Or if you have a different engine you just go to the main site, select "Engine Torque Specifications" and then choose your engine and it will give you all or most of the bolts - even for the 396, 454, 402; etc.

It also has most of them for every other system on the car or truck; chassis, suspension, etc.

I've checked some of these against the GM Performance figures and it seems to be generally correct; though I would recommend having another source for critical torques.

I'll try to attach a pdf of the list for the 5.7 liter 350 small block below:

I feel your pain regarding previous owners and stuff missing.. one bolt at a time it seems to take forever!