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crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

tri y headers
Posted by: crashbash
Date: December 21, 2011 05:11PM

Adrian Akhurst if you are out there would you please contact me. I can't find the link to you for a PM in British V8.

I'm interested in a set of your tri y headers for mg v8 conversion.

dave bash


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: tri y headers
Posted by: DC Townsend
Date: December 21, 2011 07:52PM

Dave,

Found Adrian's web site. Not much info there but his e-mail address is about halfway down this page;
[www.mgaustralia.net.au]

Hope it helps.

DT


crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

Re: tri y headers
Posted by: crashbash
Date: December 28, 2011 02:47PM

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crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

Re: tri y headers
Posted by: crashbash
Date: December 28, 2011 02:51PM

zzzzzzz.JPG


Moderator
Curtis Jacobson
Portland Oregon
(4577 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: tri y headers
Posted by: Moderator
Date: December 28, 2011 07:47PM

cost?


crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

Re: tri y headers
Posted by: crashbash
Date: December 29, 2011 11:15AM

They are real proud of them I'll tell you. He quoted me a price of $1980 Aus money! Shipping extra......Got some good pictures of them to look at though................exchange rate almost even up -US$


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: tri y headers, FWIW
Posted by: roverman
Date: December 29, 2011 02:18PM

Zillions of different sbf headers, some of which will fit the engine bays of our beloved British money pits. Find a pair you like(cheap), cut the flanges off,(head), section shorten the distance of front-rear pair of primaries to match Rover port spacing. Weld on your preferred Rover flanges and "Whallaa" ! Good Luck, roverman.



Migge
Michael B.

(151 posts)

Registered:
11/18/2008 02:31PM

Main British Car:
Re: tri y headers
Posted by: Migge
Date: December 30, 2011 07:35AM

Please keep in mind that the left side has to be different. Your second pic/headers are not the best for performance but I realy don't know if it is recognized if you just "drive".

[www.the289register.com]

Cheers
Migge


crashbash
david bash
st. charles
(215 posts)

Registered:
01/28/2008 10:53AM

Main British Car:
1979 MGB Rdst V8 project, 1968 MGC GT, 1969 MGB Rd olds 215

Re: tri y headers
Posted by: crashbash
Date: December 30, 2011 12:19PM

Plan now is to use a program called "Pipe Max" to design the header specs to my engine and have a local shop build them out of stainless. Not sure how soon this will happen but if anyone else is interested let me know. These will be for Buick 300 heads, larger exhaust port size in a 79 MGB rdst.

I have a really nicely made set of RV8 SS headers from D&D/UK supplier that fit the smaller exhaust port sizes BOP/Rover heads I would like to sell.

price $1000.00 or best offer?

dave bash


Moderator
Curtis Jacobson
Portland Oregon
(4577 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: tri y headers
Posted by: Moderator
Date: December 30, 2011 09:08PM

Photos? Rover 4.0 heads have a significantly bigger port size than the BOPR 3.5L heads. Do these fit the larger or regular port size?

I've been running custom tri-y headers from the beginning. I sized the primaries to perfectly match the Buick 215 ports. Now that I've updated to Rover 4.0 heads there's a big step-down at the header flange, which obviously can't be good.


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: tri y headers, back in the "Day"
Posted by: roverman
Date: December 31, 2011 01:53PM

I used to put 300/340 exhaust manifolds on stock 215's. They always ran and fit better. I supect "most" 4L.+ motors could benefit from 1 5/8" primary pipes, in try-y or longer 4 into 1. "Dr. Dan Jones" may want to elaborate. "Hint", many sbf headers are 1 5/8" primaries. Cheers and Happy New Year-All, roverman.
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