repo HiPo Xhaust manifold - Page 2 - Vintage Mustang Forums
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post #16 of 31 (permalink) Old 11-18-2008, 10:46 PM
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repo HiPo Xhaust manifold

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I'm not sure what that response meant in regards to my comment. I'm actually using a cable clutch for my T5. No equalizer bar here...

Henry
Oops - I must have missed the info about the T5 in your post; sorry about that.

Dave Wallace
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post #17 of 31 (permalink) Old 11-18-2008, 10:49 PM
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The 66-67 part number the NPD sells for the K code pivot is also correct for 65s.

Dave Wallace
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post #18 of 31 (permalink) Old 12-17-2008, 05:24 PM
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I've had my re-po's hi-po manifolds on for about 3 years. The only problem I've had is the #2 cylinder on drivers side from fire wall, the spark plug is real close to manifold and I have to use a thin socket to get that spark plug in & out. Gaskets are not needed for these manifolds nor are they recommended. I like them a lot. I got a big increase in power, they don't leak and you don't get the tinny sound you get with headers. That was the main reason I went with them.
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post #19 of 31 (permalink) Old 12-20-2008, 04:04 PM
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I have them on a 68 cvt, has an 89 HO with PS and C-4. Guess I've been lucky as they are the 2nd pair have bought with no probs.
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post #20 of 31 (permalink) Old 12-07-2009, 03:23 PM
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Quote:
Originally Posted by 66sprint200 View Post
I find it very odd that these castings made it to the consumer . The left ( driver ) side is perfect, or darn close, but the right ( passenger ) side is total crap. I know not all repo parts are perfect, but this is ridiculous.
It's a core shift problem. It's defective, and should be replaced. That said, I always port-match the exhaust anyway, the stock head ports and manifold matchup were always a weak point in Ford SB performance. Port matching would fix your problem- but it shouldn't have been that bad.

Last edited by 22GT; 12-07-2009 at 03:25 PM.
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post #21 of 31 (permalink) Old 12-07-2009, 08:37 PM
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I used a dremel tool and cleaned mine up. I am not useing a gasket like original. Works with no problems. It SHOULD be fixed but I doubt whoever is casting them ever will.

If it don't fit, Use a bigger hammer!
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post #22 of 31 (permalink) Old 07-06-2011, 10:38 PM
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"I find it very odd that these castings made it to the consumer . The left ( driver ) side is perfect, or darn close, but the right ( passenger ) side is total crap."

so if i have a set of repo manifolds its just the passenger side that may have to be tweaked ? i was under the impression that both sides had the poor casting/alignment problem ?

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post #23 of 31 (permalink) Old 07-07-2011, 08:20 AM Thread Starter
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I only modified the passenger side -- the driver side will work fine as cast. Kinda hard to replace a defective manifold as 22GT suggest when they are ALL cast wrong -- if you wanna believe what NPD told me. Dean

'66 Sprint 200 deluxe interior hardtop ( not a coupe ), owned since '84 as first car
'66 factory GT A code 4 speed ( now T5 ) fastback
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post #24 of 31 (permalink) Old 06-26-2012, 10:29 AM
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Has this flaw in the casting been fixed?
Has anyone bought these recently and run into this problem?
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post #25 of 31 (permalink) Old 06-26-2012, 10:38 AM
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I have a set on my 67that I'll be removing in a few weeks. They were bought & installed in 1991. They only were used for less than 500 mi. I'll check them out and if they are correct I'm put them in the For Sale section.
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post #26 of 31 (permalink) Old 06-26-2012, 01:48 PM
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Silly me! I intended to spring for the added $250 for hi po exhaust manifolds when I put duals on my 289. Hey better flow and no more noise! So pay $250 to get improved flow from 1/8" mismatched ports?


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My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.

'68 vert. driver. Owned since Apr '78. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.
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post #27 of 31 (permalink) Old 11-14-2012, 10:48 PM
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I got a new set yesterday, they are made by a US company. They bolted on with no issues. I'll take them off tomorrow to get a pic of the bolt holes. Here they are installed hand tight. Btw, purchased them through NPD.



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post #28 of 31 (permalink) Old 11-15-2012, 08:07 AM
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I think the issue was the ports didn't line up with the engine ports.


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My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.

'68 vert. driver. Owned since Apr '78. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.
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post #29 of 31 (permalink) Old 11-20-2012, 03:24 AM
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Quote:
Originally Posted by Caper50 View Post
I got a new set yesterday, they are made by a US company. They bolted on with no issues. I'll take them off tomorrow to get a pic of the bolt holes. Here they are installed hand tight. Btw, purchased them through NPD.



GREAT NEWS!! Would you care to share the makers name and/or where you got them?
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post #30 of 31 (permalink) Old 11-20-2012, 06:28 AM
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I got them from NDP, I've been quite busy the past few days but will do my best to get the passenger side off for a pic before I head back to work.

Last edited by Caper50; 11-20-2012 at 08:38 AM.
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