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 Post subject: Cam oil spray bar
PostPosted: Sun Mar 25, 2018 7:21 am 
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Joined: Fri Mar 02, 2018 1:57 pm
Posts: 3
Hi guys,

I’m new to the club, but have had Z’s for 2+ years now. Was hoping someone has a good cam spray bar for sale, know someplace to buy them new, or have good repair instructions?

I pulled the valve cover off my 73 to check valve clearances and saw the spray bar was warped on the driver side connection. It was bad enough that the cover plate wasn’t sealing and the short section of tube was bent in twords the cam. Probably why it made a loud squeal at +3500 rpm. Luckily the cam and rockers look ok, car was in storage a while before I got it.

Appreciate any info or help
Thanks


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 Post subject: Re: Cam oil spray bar
PostPosted: Sun Mar 25, 2018 12:03 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 12882
Location: CT
Hi Dean, welcome!

Call Vinny Bedini (860)-355-1829 and tell him you're our new member. He is our local Z expert mechanic, has Z parts and drives his own 510.
Then drift on over to our New Member Intros and tell us about your Z (and your 510 if you have one). :wink: :thumbs_up:

Frank T

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1970 240Z


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 Post subject: Re: Cam oil spray bar
PostPosted: Sun Mar 25, 2018 7:20 pm 
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Joined: Mon Jun 30, 2008 2:16 pm
Posts: 372
Location: Ansonia, CT
Agreed, Vinny is probably your best bet for your oil spray bar. Paul in RI may be another source if he reads this.

On a side note, your post brought back some old memories. I recall having to replace my 240Z cam oil spray bar TWICE many years ago. I've never seen a related post on the subject but I believe some of the earlier Z cars had a quality issue with the spray bar castings that bolted it to the cam bearings. The two failed spray bars that I eventually replaced with a new upgraded design had similar failures in that the tube at the rear of the head (closest to the firewall) became bent inward towards the driver's side. One of them actually had the tube crack and fall down in the head but thankfully didn't cause any damage. Didn't do much for the oil pressure though. :roll:

Curious, has anybody else experience this?

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John Kish
1971 240Z original owner


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 Post subject: Re: Cam oil spray bar
PostPosted: Sun Mar 25, 2018 9:11 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 12882
Location: CT
Not knowingly! :lol:

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1970 240Z


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 Post subject: Re: Cam oil spray bar
PostPosted: Tue Mar 27, 2018 8:00 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3098
Location: rhode island
I got the memo. So Here's the upgraded version..............use one from a 280z. I have a few.


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 Post subject: Re: Cam oil spray bar
PostPosted: Tue Mar 27, 2018 1:59 pm 
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Joined: Fri Mar 02, 2018 1:57 pm
Posts: 3
Thanks for the recommendations. Paul came thru with a good used spray bar.

Thanks Paul, you’re becoming my go to Parts guy. This is the third time you’ve helped me bring a Z back to life.


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 Post subject: Re: Cam oil spray bar
PostPosted: Thu Mar 29, 2018 8:22 am 
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Joined: Thu May 14, 2009 9:24 am
Posts: 1250
Location: Webster, NY
I have a 240Z spray bar. Message me if interested.

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John Taddonio
President, Z Car Club of Rochester NY
zcarnut@hotmail.com
FB: Zccr zcarclubofrochester


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 Post subject: Re: Cam oil spray bar
PostPosted: Thu Mar 29, 2018 11:06 am 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 12882
Location: CT
Sorry to hijack this into a technical question, but is there any difference among the 240, 260 and 280 spray bars? Different sizes? Higher flow capacity, maybe? Or are they all the same?

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1970 240Z


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 Post subject: Re: Cam oil spray bar
PostPosted: Fri Mar 30, 2018 11:37 am 
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Joined: Fri Mar 02, 2018 1:57 pm
Posts: 3
After doing some research, it looks like the early spray bars were made using aluminum and steel. When heated they expand at different rates, so after so many heating and cooling cycles they twist and buckle permanently.

The later model spray bars are all steel so they don't have the same issue.

there is a good post on classic z cars;
http://www.classiczcars.com/forums/topi ... d-rebuild/

I'm going to follow this guys instructions to fix my twisted one, cant hurt to have an extra on hand. Anyone have a trashed head I could use as a mockup jig?


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 Post subject: Re: Cam oil spray bar
PostPosted: Sat Mar 31, 2018 4:21 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 12882
Location: CT
Yeah Dean, I've got a couple spares in the garage. You can borrow the P90. When might I get it back?

Frank

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1970 240Z


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 Post subject: Re: Cam oil spray bar
PostPosted: Mon May 07, 2018 2:21 pm 
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Joined: Fri Dec 23, 2016 7:11 am
Posts: 268
I'm late to reply here, but my 260z had the rear tube bent in to the cam and very loose.

My machist repaired it by installing set screws and idk what else. It wasn't difficult he said and it works perfectly.

FWIW

Jay


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