Lt1 / l98!

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Jun 30, 2011 | 01:38 PM

#21

JackDidley

Race Director

Joined: Sep 2003

Posts: 16,839

Likes: 341

From: Database Error Indiana

Quote:

Originally Posted by bjankuski

Ok, apparently I am incorrect. The 113 head change seems to make sense. That change happened in 1988.

Question does the 1987 vette have alum valve covers or steel valve covers?

Quote:

Originally Posted by Keystring

Magnesium valve covers.

Look just like the covers with the screw in cap.

Quote:

Originally Posted by TheKid!!

What are "113" heads?

Updated alluminum heads. In 88 they got self aligning rockers, D port exhaust and a bit better intake ports.

Jun 30, 2011 | 02:35 PM

#22

Baldfart

Burning Brakes

Joined: Sep 2009

Posts: 1,180

Likes: 2

From: Yes it's hot! Arizona

My 87 has 1/4 turn.

Jul 1, 2011 | 11:19 PM

#23

TheKid!!

Thread Starter

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Joined: Jun 2010

Posts: 98

Likes: 1

Soooo... I am going to just assume the screw type will not fit on and '87 - in most cases. Why? Well it seems to me that many of the '87 valve covers have 1/4 turn bi-flange types. At least mine is. I am not exactly sure why this is the case however I am interested in a definitive explanation. I will not however be purchasing these really trick looking oil caps I saw the other day however...

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