Engine and Transmission Tech

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

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mgb260
Jim Nichols
Sequim,WA
(2463 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: British Leyland Factory 4 Barrel Intake?
Posted by: mgb260
Date: September 17, 2015 11:53AM

Jay, That intake looks like a prototype, no bolt holes?


rover sd1 v8
jay martin

(11 posts)

Registered:
09/06/2015 06:07AM

Main British Car:
sd1 1986 rover 3.9

Re: British Leyland Factory 4 Barrel Intake?
Posted by: rover sd1 v8
Date: September 19, 2015 03:28AM

Cool thanks for that


rover sd1 v8
jay martin

(11 posts)

Registered:
09/06/2015 06:07AM

Main British Car:
sd1 1986 rover 3.9

Re: British Leyland Factory 4 Barrel Intake?
Posted by: rover sd1 v8
Date: November 11, 2015 11:05PM

Some of the holes drilled out
1447300541914.jpg
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BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: British Leyland Factory 4 Barrel Intake?
Posted by: BlownMGB-V8
Date: November 12, 2015 11:10AM

Those holes are not at a 90 degree angle to the mounting face. Also they should be oversize except for one which is a milled slot that positions the intake fore and aft.

Jim


rover sd1 v8
jay martin

(11 posts)

Registered:
09/06/2015 06:07AM

Main British Car:
sd1 1986 rover 3.9

Re: British Leyland Factory 4 Barrel Intake?
Posted by: rover sd1 v8
Date: November 12, 2015 04:36PM

Hi Jim you are right on that.. I still have to get it machined down more because it's sets a bet too high in the valley the ports nearly match up . I know what you mean by the 90 degrees the Machine Shop I'm not too sure why they did that . They reckon this manifold is not made for The Rover standard Heats but for Buick 300 cubic inch Heats.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6469 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: British Leyland Factory 4 Barrel Intake?
Posted by: BlownMGB-V8
Date: November 12, 2015 07:27PM

Makes no difference Jay, the heads are the same. I think the angle is about 70 degrees IIRC.

Jim


Dan Jones
Dan Jones
St. Louis, Missouri
(280 posts)

Registered:
07/21/2008 03:32PM

Main British Car:
1980 Triumph TR8 3.5L Rover V8

Re: British Leyland Factory 4 Barrel Intake?
Posted by: Dan Jones
Date: November 13, 2015 03:05PM

> They reckon this manifold is not made for The Rover standard Heads but for Buick 300 cubic inch Heads.

What size are the ports? My Huffaker Rover intake ports measure 1 3/4" tall x 1" wide and are a good match for the Buick 300 heads.

Dan Jones



rover sd1 v8
jay martin

(11 posts)

Registered:
09/06/2015 06:07AM

Main British Car:
sd1 1986 rover 3.9

Re: British Leyland Factory 4 Barrel Intake?
Posted by: rover sd1 v8
Date: November 14, 2015 06:16PM

HI Dan .The ports are 1 3/4" and 1" wide. Yes i think you are right about the heads .



Edited 1 time(s). Last edit at 11/15/2015 04:52AM by rover sd1 v8.


bigaldart
Alan Grimes

(18 posts)

Registered:
02/20/2010 12:15PM

Main British Car:
Re: British Leyland Factory 4 Barrel Intake?
Posted by: bigaldart
Date: December 01, 2015 02:26AM

More than likely that manifold is BL marked as a homologation special for the factory cars. I believe any parts used in competition had to be marked a factory parts to be legal.

Alan


3528sd1
Rover craft Engineering, old timer Thompson
U.S.A
(1 posts)

Registered:
05/13/2015 01:52AM

Main British Car:
Ferrari Daytona. Rover sd1. MGB V8 . TR8 3.5 3.9 4.0 4.2 5.2 6.0 Buick and rover v8s

Re: British Leyland Factory 4 Barrel Intake?
Posted by: 3528sd1
Date: September 21, 2017 01:51AM

Hi Jay I recognise this manifold back in the day it was a special development that never went ahead please message me through private email .I can give you more information on this manifold I was one of the designers. PS how did you come by this manifold they were dismantled they weren't supposed to be released to the public so please contact me thank you. Regards old timer


MGBV8
Carl Floyd
Kingsport, TN
(4512 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: British Leyland Factory 4 Barrel Intake?
Posted by: MGBV8
Date: September 21, 2017 10:06AM

Quote:
I can give you more information on this manifold I was one of the designers.

There are quite a few of us here that are interested in the history & any other info that you can provide about this mystery intake manifold. Thanks!
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