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BJ8 Intake Manifold Differences

Scotsman

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I am told the intake manifold for the BJ8 is improved over that on earlier cars. Is this correct, and if so can someone provide pictures showing the differences?

The BJ8 project I am looking at purchasing is missing the intake and exhaust manifolds, both of which I understand are difficult to find and expensive, as are aftermarket headers and manifolds.

Other hard to find missing items include door handles and side vent windows.

Thnx

Richard
 

Keoke

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You might check with Bruce @ Healey Surgeons for some of those parts.
 
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As far as I know, the only 'improvement' of the BJ8 intake manifold is larger size to accommodate the larger HD8 carburettors (it's a crudity by today's standards). I don't know if the intake ports are larger size, but don't believe so. There is at least one aftermarket manifold available from a company in Australia, but it requires side-draft carbs (as opposed the the stock 'semi-downdraft):


Denis Welch makes headers; I'm told they require slight modification to fit.


'Kirk' headers were available, but I don't believe they're still in business. Original parts come up on eBay now and then.
 
Last edited:

Patrick67BJ8

Obi Wan
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I am told the intake manifold for the BJ8 is improved over that on earlier cars. Is this correct, and if so can someone provide pictures showing the differences?

The BJ8 project I am looking at purchasing is missing the intake and exhaust manifolds, both of which I understand are difficult to find and expensive, as are aftermarket headers and manifolds.

Other hard to find missing items include door handles and side vent windows.

Thnx

Richard
I sent you a PM. I have extras.
 

BoyRacer

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The BJ8 intake manifold has a part number that starts with 12B. The carburetor mounting flanges have 2" holes to match the larger HD8 carburetors. The internal passages are larger.
 
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