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tips, technology, tools and techniques related to vehicle driveline components

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383 TR7
Jeffrey Frismanis
Minnesota
(6 posts)

Registered:
06/14/2010 07:35AM

Main British Car:
1976 TR7 convert. 383 sm blk Chev.

TR7 Chev V8 headers?
Posted by: 383 TR7
Date: June 14, 2010 07:46AM

I recently purchased a 1976 TR7 that has a Chevrolet small block 383 stroker in it. Currently it has cast iron stock exhaust manifolds on it and I would like to upgrade to a set of full length headers.

I talked to a local speed shop and they told me they could build me a custom set but it was going to be around $1500.

Does anyone know if there is a set of headers from Hooker, Heddman, etc. that will either fit or fit with minimal tube modifications?

Thanks in advance for any help.

Here's a picture of the new toy.


triumph from passenger rear.jpg
triumph motor 2.jpg


DC Townsend
David Townsend
Vermont
(406 posts)

Registered:
11/21/2007 12:22PM

Main British Car:
'78 B (almost done) 30-over SBF, dry sump

authors avatar
Re: TR7 Chev V8 headers?
Posted by: DC Townsend
Date: June 14, 2010 09:30AM

Have you looked at any of the block hugger headers? Lots of choices including Hedman's "tight tubes" which appear to fit very close to the block. Not much of a Bow Tie guy but, from the picture you posted, it appears they might provide you with a solution.


WedgeWorks1
Mike Perkins
Ellicott City, Maryland
(460 posts)

Registered:
07/06/2008 08:07AM

Main British Car:
1980 Triumph TR8 3.5 Litre Rover V8

authors avatar
Re: TR7 Chev V8 headers?
Posted by: WedgeWorks1
Date: June 14, 2010 09:31AM

You are going to have a lot of modification to a set of any headers you buy for the Chevy V8. To my knowledge no one make header for the Chevy small block in a TR7. You might want to buy a cheap set to get the header flange and portion of the tube and then buy a kit thta has all the bent tubing and collectors and make your own. It will be labor intensive but cheaper than paying for custom.
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383 TR7
Jeffrey Frismanis
Minnesota
(6 posts)

Registered:
06/14/2010 07:35AM

Main British Car:
1976 TR7 convert. 383 sm blk Chev.

Re: TR7 Chev V8 headers?
Posted by: 383 TR7
Date: June 14, 2010 11:26AM

Thanks for the suggestions.

I was hoping there was a set of headers that came close but just needed a couple tubes moved or something. I looked at Hooker and Hedman and they both have weld up kits.

Maybe I can mock something up and see if I can match it to a pair of existing headers.

The tight tubes and shorty style headers would probably work but will be my last resort.

I'll do some more checking, someone has to have done this before.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6508 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: TR7 Chev V8 headers?
Posted by: BlownMGB-V8
Date: June 14, 2010 12:09PM

Take a look at V8 Vega headers, they might be real close since it is also a small car. About the only real obstruction you have is the crossmember and most of it would be behind that anyway.

JB


ex-tyke
Graham Creswick
Chatham, Ontario, Canada
(1166 posts)

Registered:
10/25/2007 11:17AM

Main British Car:
1976 MGB Ford 302

authors avatar
Re: TR7 Chev V8 headers?
Posted by: ex-tyke
Date: June 14, 2010 06:43PM

There's a few Chevy small block "block hugger headers" on the market.
eg

[cgi.ebay.com]

Might be worth buying and then modifying to fit your application if necessary.


383 TR7
Jeffrey Frismanis
Minnesota
(6 posts)

Registered:
06/14/2010 07:35AM

Main British Car:
1976 TR7 convert. 383 sm blk Chev.

Re: TR7 Chev V8 headers?
Posted by: 383 TR7
Date: June 15, 2010 07:38AM

After taking another look last night block huggers won't work. Since they are a center dump it would land right on top of my motor cross member.

I found that headers from a late 80's, early 90's Suburban look like they may work. I also found that Schoenfeld makes a forward swept sprint header that may work also.

I'll update with any progress I make.



bplus
Tracy Moore
Jacksonville, Fl
(40 posts)

Registered:
11/24/2008 06:36PM

Main British Car:
71' MGB GT 350 Chevrolet

Re: TR7 Chev V8 headers?
Posted by: bplus
Date: June 16, 2010 07:03PM

Take a look at sandersonheaders.com They make several different types of
headers for the small block chevrolet, some are rear dump too, might help in
your installation.


383 TR7
Jeffrey Frismanis
Minnesota
(6 posts)

Registered:
06/14/2010 07:35AM

Main British Car:
1976 TR7 convert. 383 sm blk Chev.

Re: TR7 Chev V8 headers?
Posted by: 383 TR7
Date: June 18, 2010 07:37AM

Sanderson has some headers that look like they would work. However I've read some pretty bad reviews of their products so I'm skeptical. I'm really starting to lean towards just a nice pair of Chevy ram horn cast iron manifolds.


Dan B
Dan Blackwood
South Charleston, WV
(1008 posts)

Registered:
11/06/2007 01:55PM

Main British Car:
1966 TR4A, 1980 TR7 Multiport EFI MegaSquirt on the TR4A. Lexus V8 pl

authors avatar
Re: TR7 Chev V8 headers?
Posted by: Dan B
Date: June 18, 2010 10:55AM

How did a 76 TR7 get to be a convertible?


mgb260
Jim Nichols
Sequim,WA
(2482 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: TR7 Chev V8 headers?
Posted by: mgb260
Date: June 18, 2010 10:45PM

Speedway Motors has 2 1/2"dump Ram's horn manifolds. Smooth castings, flow as well as block huggers,reasonable price.
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