Engine Bore

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Feb 25, 2018 | 05:34 PM

money pit 69

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From: ARLINGTON WA

Engine Bore

A couple of things. Will a stock head gasket set be OK when engine is bored .060. Should I get rid of the stock carb. spacer when installing new carb. EGR eliminated. THX David

Feb 25, 2018 | 06:07 PM

mrollings53

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From: Washington

What are you working on?

Feb 25, 2018 | 06:08 PM

money pit 69

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From: ARLINGTON WA

1987 351w 4x4

Feb 25, 2018 | 06:35 PM

GoinBoarding

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From: Laramie, WY

You should be good with standard gaskets. Typical head gasket for a 351W has a 4.100" bore. Standard 351W bore is 4.000 so 0.060" overbore should be just fine with standard head gaskets.

Feb 25, 2018 | 06:47 PM

money pit 69

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From: ARLINGTON WA

THX One more thing are Enginetech gaskets and parts OK?

Feb 25, 2018 | 08:13 PM

'89F2urd

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I prefer using a gasket that is not so much larger than the bore itself, I'm honestly not sure why they go so large on them. Quench is better with a tighter gasket.

Pretty much any head gasket for a stock application is fine with proper prep and procedure (clean out bolt chases, block and head surface prep, bolt torque pattern, etc) but if you really want the best of the best buy a set of MLS gaskets and a quality set of bolts/studs.

Feb 25, 2018 | 08:22 PM

willowbilly3

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From: Black Hills of SD

You will probably need to keep a carb spacer so the linkage doesn't hit on the intake.
I've used nothing but FelPro for 30 years, never had a reason to swithch

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Feb 25, 2018 | 08:53 PM

'89F2urd

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Quote:

Originally Posted by wtroger

I wouldn't bore any SBF to .060 over without a sonic test. I have seen to many bored that big that had problems overheating due to thin spots in the casting

Really? I've only seen some pretty robust blocks when it comes to sbfs, I've bored probably 3 dozen to 4.06 personally.

Feb 25, 2018 | 10:51 PM

#10

wtroger

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You are right. It is SBC you got to be really careful with. Getting old I guess.

Feb 26, 2018 | 05:39 AM

#11

'89F2urd

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I mean, it's never a bad idea to sonic check anything, I was genuinely curious if there were castings that were sub par so I could avoid them lol

Feb 26, 2018 | 07:41 AM

#12

willowbilly3

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From: Black Hills of SD

Quote:

Originally Posted by wtroger

You are right. It is SBC you got to be really careful with. Getting old I guess.

And the 351c. Some of those blocks don't have enough meat on the thrust side at standard bore to build a performance engine, or so I've read. We've all dodged the bullet over the years but personally, I would sonic test anything that's getting bored .060, just for the peace of mind/