MGB GT V8

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Discussion

rowey200

Original Poster:

428 posts

187 months

Monday 11th February 2013
quotequote all
I thought i'd chuck up a couple of pics of my old dads factory MGB GT V8 which has been in the family longer than I have! It's a 1974 car finished in glacier white.

It had a nut and bolt rebuild a couple of years ago on the original shell, and also a complete engine rebuild (first time the engine had been opened). My dads had it since 1979 and still uses it almost daily. I've had a few goes in it over recent years, and it really does provoke a different style of driving - massive steering wheel, slow in, and to be honest, fairly slow out. However when she's straight and true you can surprise a modern hot hatch or two. Really though, it my view, it's all about pottering around with the windows down, listening to the burble!

I can't see him ever getting rid of it smile










Edited by rowey200 on Monday 11th February 19:17

Lagerlout

1,810 posts

242 months

Monday 11th February 2013
quotequote all
Very nice. I had a Black Tulip CB V8 for a few years. Put 40,000 miles on it drove it to Le Mans three times. I fitted mine with an Edelbrock inlet manifold and a Weber 500 carb. Twin 12v's in parallel, Mallory distributor and a few electrical mods to improve the starting and cooling. Superb car, really miss it.

NBTBRV8

2,063 posts

214 months

Tuesday 12th February 2013
quotequote all
Lagerlout said:
Very nice. I had a Black Tulip CB V8 for a few years. Put 40,000 miles on it drove it to Le Mans three times. I fitted mine with an Edelbrock inlet manifold and a Weber 500 carb. Twin 12v's in parallel, Mallory distributor and a few electrical mods to improve the starting and cooling. Superb car, really miss it.
Black Tulip, one of the rarest and best colours. Nice.

rowey200

Original Poster:

428 posts

187 months

Tuesday 12th February 2013
quotequote all
Lagerlout said:
Very nice. I had a Black Tulip CB V8 for a few years. Put 40,000 miles on it drove it to Le Mans three times. I fitted mine with an Edelbrock inlet manifold and a Weber 500 carb. Twin 12v's in parallel, Mallory distributor and a few electrical mods to improve the starting and cooling. Superb car, really miss it.
Nice, black tulip does look good! Dads V8 first went round the clock in the late 1980s, then again around the millennium...it's done another 40k ish since then, so just coming up to 250k miles. It's pretty much standard apart from an electronic ignition and some cooling mods to help in town traffic. The baffles have recently given up the ghost in the exhaust.....sounds awesome biggrin It's a stainless system and has a lifetime guarantee, so need to investigate getting it replaced!

NBTBRV8

2,063 posts

214 months

Wednesday 13th February 2013
quotequote all
rowey200 said:
I thought i'd chuck up a couple of pics of my old dads factory MGB GT V8 which has been in the family longer than I have! It's a 1974 car finished in glacier white.

It had a nut and bolt rebuild a couple of years ago on the original shell, and also a complete engine rebuild (first time the engine had been opened). My dads had it since 1979 and still uses it almost daily. I've had a few goes in it over recent years, and it really does provoke a different style of driving - massive steering wheel, slow in, and to be honest, fairly slow out. However when she's straight and true you can surprise a modern hot hatch or two. Really though, it my view, it's all about pottering around with the windows down, listening to the burble!

I can't see him ever getting rid of it smile





Edited by rowey200 on Monday 11th February 19:17
Looks good. But for concourse your V8 badge on the RH wing shouldn't be there smile

Church of Noise

1,481 posts

243 months

Sunday 24th March 2013
quotequote all
Lagerlout said:
Very nice. I had a Black Tulip CB V8 for a few years. Put 40,000 miles on it drove it to Le Mans three times. I fitted mine with an Edelbrock inlet manifold and a Weber 500 carb. Twin 12v's in parallel, Mallory distributor and a few electrical mods to improve the starting and cooling. Superb car, really miss it.
Lagerlout,
Why did you fit the Weber carb? I'm considering upgrading the engine of mine and was wondering about these...

lucebayjack

164 posts

173 months

Monday 25th March 2013
quotequote all
I've just switched from twin SU's to Weber carb and Mallory disi. On reflection I don't think the Mallory disi is entirely necessary but it came with the carb. When the snow removes its self from the road i will let you know how i get on.

Church of Noise

1,481 posts

243 months

Monday 25th March 2013
quotequote all
lucebayjack said:
I've just switched from twin SU's to Weber carb and Mallory disi. On reflection I don't think the Mallory disi is entirely necessary but it came with the carb. When the snow removes its self from the road i will let you know how i get on.
Great, thanks!

Lagerlout

1,810 posts

242 months

Saturday 30th March 2013
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The Mallory is a dual points unit which allows you to increase the dwell and therefore the energy in the spark. It's just an aid to combustion and debateable at that. You'd be better off with a variable dwell electronic ignition module these days. The Mallory is a very nicely made unit though, much better than the Lucas which suffers from a fair bit of scatter in my experience.

As for the Carb, the intake manifold and SU's are probably the number one restriction on the Rover V8. Going to an Edelbrock Manifold and and Weber 500 will make a big difference in the character of the car. It's much more flexible on the Weber. Definitely worth the expense. Just keep the original bits and swap if you come to sell the car.

Also, fit some fatter plug wires from Magnecor, at least 10mm. I had huge problems with standard leads on mine after the conversion. Grounding out to the rocker covers. At night it lit up like an electrical storm under the bonnet!!

Here's some stuff I wrote for RPI donkeys years ago:

http://www.v8engines.com/faq-mall.htm


Edited by Lagerlout on Saturday 30th March 21:30

nta16

7,898 posts

240 months

Sunday 31st March 2013
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I'm glad you put that about the Mallory good to have a straight appraisal from a user, I'm a big fan of the fully electronic dissy (replacing the whole dissy and electronics not just replacing CB points/condenser)

for very good quality HT leads (from a manufacturer that also makes them for others to put their name on) I can thoroughly recommend (and tested by a non-bias tuner to actually give an improvement) - performanceleads.co.uk (by Fast Lane) - http://www.performanceleads.co.uk/

and made in the UK too

Church of Noise

1,481 posts

243 months

Wednesday 15th May 2013
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nta16,

Can you suggest a good distributor replacement,

Cheers!

nta16

7,898 posts

240 months

Thursday 16th May 2013
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hi, this was covered very recently, see link below

note those HT leads above

and that I've got a standard 123 fully electronic dissy

link - http://www.pistonheads.com/xforums/topic.asp?h=0&a...

hth