572 tall deck cam

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02-11-2020 | 12:59 PM

#31

flashgordon

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Joined: Sep 2012

Posts: 523

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From: new baltimore mi

Quote:

Originally Posted by F-2 Speedy

I was just making a general statement about the valley pan, not pointed at anyone

np speedy.....

no issues taken ,,
life is tooo short for silly issues..
just like to get info learn, chat, etc...

02-11-2020 | 01:21 PM

#32

GPM

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From: Pa

Is that a hole in the guessing #6 intake port floor ?

02-11-2020 | 02:08 PM

#33

hogie roll

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From: St. Pete Beach, FL

Quote:

Originally Posted by chris302

Glen Self Racing Ok. They replaced the lifters, but. I cannot believe anyone would reuse that cam. I haven't spoke with them so i don't know if it was their decision or the owners. Also had a cracked head and then not setting the pushrod in the lifter pocket. I heard nothing but good about these guy's prior to buying this engine from a private party. But i am not impressed with any of their work on this motor. But the motor was rebuilt 3 yrs ago then sat till i purchased it. So move on and fix it right.

Dont spend a dime repairing those heads. There’s another 100hp in there with modern heads and compression. Assuming you’ve got a good exhaust system. What is your exhaust setup?

02-11-2020 | 03:20 PM

#34

chris302

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From: mckinney texas

Quote:

Originally Posted by hogie roll

Dont spend a dime repairing those heads. There’s another 100hp in there with modern heads and compression. Assuming you’ve got a good exhaust system. What is your exhaust setup?

gaffrig headers dry to the tip. My mechanic caught the head while test firing and prior to dropping the motors in so i had him replace it at that time. Would have loved to put better heads on at that time. But after replacing everything in the bilge i was already way over budget and out of money. Like any good boater lol. So the goal is to work with what i have but replace the cam and valve train.

02-11-2020 | 03:55 PM

#35

sutphen 30

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From: taxachusetts

Quote:

Originally Posted by GPM

Is that a hole in the guessing #6 intake port floor ?

its a thread hole for the extra head studs that get used if the block has the bosses.

02-11-2020 | 07:32 PM

#36

GPM

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From: Pa

I ran the extra bolts with the Big M block and multiple sets of heads, never saw them come through the intake port. Maybe I was just lucky, seems like a great place for a vacuum leak.

02-11-2020 | 11:55 PM

#37

I'CE

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Quote:

Originally Posted by GPM

I ran the extra bolts with the Big M block and multiple sets of heads, never saw them come through the intake port. Maybe I was just lucky, seems like a great place for a vacuum leak.

It needs to or should be plugged from the bottom side when not used.

02-13-2020 | 10:29 AM

#38

flashgordon

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Joined: Sep 2012

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From: new baltimore mi

that hole is plugged from under side....
didnt the old ZL1 aluminum block have the extra stud hole???

Last edited by flashgordon; 02-13-2020 at 10:30 AM. Reason: spelling

02-13-2020 | 01:18 PM

#39

GPM

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From: Pa

Quote:

Originally Posted by I'CE

It needs to or should be plugged from the bottom side when not used.

The Brodix heads that I used were tapped for studs, the holes never came all the way through. I believe the stud kit came with the Big M blocks. Different manufacturers do things differently I suppose.