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post #1 of 15 (permalink) Old Apr 5th, 10, 02:39 AM Thread Starter
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Mick
 
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New headers

Hi all, another call for help, i just got my new headers and they are almost a perfect fit apart from a slight hit on the steering box, i have a 350 motor, and car was born with a 327, can i raise the motor on the mounts as i only need about a half inch, this is my first American car and i brought it over myself, that was scary enough, i just need some help and learn as i go, thanks for any info
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post #2 of 15 (permalink) Old Apr 5th, 10, 03:29 PM
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Daniel
 
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Re: New headers

Thats unfortunate that they hit. Raising your engine can do the trick but you've got to watch your cooling fan to shroud clearance, distributor to firewall, air cleaner to hood. Also your moving the CG up in your car a bit. You don't really have much choice being from the UK because everything comes from the USA. In Canada brokerage fees and shipping are more than in the US, and the UK is about 5x more. I'd recommend other header manufacturers but the ones I've bought never fit quite right. What brand / part number are your headers?


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post #3 of 15 (permalink) Old Apr 5th, 10, 03:41 PM
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AJ
 
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Re: New headers

Did you change the engine/frame stand mounts?
The problem is you probably bought headers for a 350 car even though your mounts are still set up for a 307/327.

The only Mustang I'd ever own is a Fender.

'68 333" Camaro
'14 5.0 Mustang
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post #4 of 15 (permalink) Old Apr 5th, 10, 03:42 PM
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Re: New headers

You can use grade 8 washers between the block and motor mounts but 1/2 inch is a lot... Another option would be to just "ding" the headers in.

Matt

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post #5 of 15 (permalink) Old Apr 5th, 10, 03:45 PM
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Matt
 
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Re: New headers

Quote:
Originally Posted by ace's68 View Post
Did you change the engine/frame stand mounts?
The problem is you probably bought headers for a 350 car even though your mounts are still set up for a 307/327.
Did the 307/327 use a different engine/frame stand mounts than other SBC's? I though there were two configurations, small and big block - no?

Matt

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post #6 of 15 (permalink) Old Apr 5th, 10, 03:47 PM
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Re: New headers

Another option is to grind on the steering box a little if you just need a small amount. I hate dinging headers.

Don ~ TC Member #15 ~
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post #7 of 15 (permalink) Old Apr 5th, 10, 04:01 PM
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Daniel
 
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Re: New headers

Quote:
Originally Posted by ZZ430DropTop67RS View Post
Another option is to grind on the steering box a little if you just need a small amount. I hate dinging headers.
...we shouldn't have to. The onus is on the header mfgs to build products that actually fit all stock configurations of first gen camaros...this isn't a difficult thing for them to accomplish, they just had to build SBC and BBC versions that clear the power steering boxes and idler arms.


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post #8 of 15 (permalink) Old Apr 5th, 10, 04:14 PM
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AJ
 
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Re: New headers

Yes, there were different frame stands for the 307/327's vs. the 350's.
Most of the time it isn't the manufacturer it's installing a new motor say a 350 while not changing the factory 307/327 mounts, and clicking the box that says 350 in the search for headers.

Having the correct mounts for your ap, and not being mixed match make a big difference on fitment, although I will admit, not all headers are made equally, some have taken in the account for different mounts and just kind of "wing it" with winged results...

The only Mustang I'd ever own is a Fender.

'68 333" Camaro
'14 5.0 Mustang
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post #9 of 15 (permalink) Old Apr 5th, 10, 05:35 PM
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Daniel
 
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Re: New headers

This brings up a new question: A lot of people buy prothane mounts, myself included. I revisited their website and it seems they have a strange matching system: Like the '69 250ci 6's use the same engine mount as the 67-69 350 v8's and for some reason the 69 302 uses the same mount as the BBC...

Now when I look at my 1969 Camaro factory assembly instruction manual, the inline 6 obviously uses unique mounts, and there is only ONE page for all v8's and only three PN are listed: the motor mount pair and the motor-frame mount left and right side.

Then I goto my ricks first gen catalog and they have three different SBC motor mounts - (67-68 302, 350, 396 mount) (69 302, 350, 396 mount) and (67-69 307, 327 mount) then four frame mounts - (67-69 SBC exc. 302 and 350) (69 302 and 350) (67-68 BBC) (69 BBC)

Then theres year one, again different years and models.

So all these sources contradict each other and unless you have original parts and engines, chances are you have something mismatched.


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post #10 of 15 (permalink) Old Apr 5th, 10, 06:27 PM
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Steiner
 
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Re: New headers

Quote:
Originally Posted by zlek131 View Post
Did the 307/327 use a different engine/frame stand mounts than other SBC's? I though there were two configurations, small and big block - no?
302, 350, and 396 all got an 8" balancer whereas 307/327 got 6-3/4" so extra clearance was needed at the sway bar. There may be more to it than that but I believe that is part of the situation.

Heck, with a fatazz Hellwig bar I still have to put spacers on the frame to drop the bar to clear an 8 incher.

'69 Camaro
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
500hp/538lbft

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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled
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post #11 of 15 (permalink) Old Apr 24th, 10, 09:22 AM Thread Starter
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Re: New headers

Thanks again guys
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post #12 of 15 (permalink) Old Apr 24th, 10, 06:26 PM
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Re: New headers

I just wanted to say yes the mfr is supposed to make the headers work and that often people blame the motor mounts on poor fitament, etc... When you add aftermarket heads, motor mounts, etc... you change the angles indeed, but there should still be enuff room all around to make such variations no impact factors in all honesty.

Truth betold is that hooker headers made today are crap, and they do fit poorly compared to a set made 4-5 yrs ago. I just went thru this fitament ordeal on a 327 with the correct motor mounts, etc... Hell even summit rebranded headers fit better than hooker headers!

I dunno what brand headers you are using, but know most of the issues you mentioned are often tied to hooker headers more so than other brands.

Here is a link to pix of how well the dyantech fit and are in the same price range as hooker headers: https://www.camaros.net/forums/showthread.php?t=178213


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post #13 of 15 (permalink) Old Apr 25th, 10, 03:48 AM
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AJ
 
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Re: New headers

FWIW I am using hedman headers and they fit fine with the factory mounts and stands with iron heads, moved to aluminum heads with raised ports and they still fit fine.
I do know the hooker super comps sit low near the collectors especially on sbc cars, and even bbc cars.

The only Mustang I'd ever own is a Fender.

'68 333" Camaro
'14 5.0 Mustang
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post #14 of 15 (permalink) Old May 10th, 10, 12:16 AM
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Daniel
 
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Re: New headers

dynatech headers fit on the lowest combination mounts with the oem replacement power steering and large brake booster for SBC, just put mine on last week.


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post #15 of 15 (permalink) Old May 12th, 10, 03:56 PM
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Re: New headers

lemons headers are the best
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