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Opel Manta 400 Cosworth

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Old 30-09-2013, 02:28 PM
  #41  
rs clint
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nice project heres mineName:  026_zpsa64653a1.jpg
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Old 30-09-2013, 06:43 PM
  #42  
Glenn_
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Cool project matey.Nice to see something different.
Old 30-09-2013, 07:06 PM
  #43  
rallycross
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Nice project and great work
Always loved the Manta coupe shape, remember seeing Jimmy McRae in the red Ac Delco Manta 400 a couple of times, great car.

I used to run an Ascona Berlina SR which was like a 4 door manta, they were nicely specced cars back in the day.
Old 02-10-2013, 07:06 PM
  #44  
steve st220
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Excellent combination mate, I had a cavalier coupe with a pinto fitted and a manta
with a 400 kit and a pinto fitted about 20 years ago, my mate and his dad had 2
manta i240's, my mates 1 was seriously quick and featured in a mag back then, 1 of my other mates had a i200 with the rothmans colours.
Old 02-10-2013, 08:09 PM
  #45  
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Not a great picture but I know of this orange one (on trailer) sitting in a garage in kent, tried getting my hands on it a few years ago.

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Old 06-10-2013, 11:18 PM
  #46  
mantakev
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spent all day with my little brother Andrew putting the new rear 1/4 on
Only took about 10 grands worth of tools,a fully fitted garage and 20 man hours!

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next is to splice the manta loom into the cossie and modify the downpipe to take a mock up exhaust
Old 07-10-2013, 12:07 AM
  #47  
mantakev
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Got an overhung bias pedal box for a mk1 escort with willwood master cylinders

need to fit that around the modified manta corsa electric power steering
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Old 13-10-2013, 10:45 AM
  #48  
Joe Grp4 Escort
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Nice project. Cant wait till my mate starts his
Old 19-10-2013, 09:08 PM
  #49  
mantakev
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Not a lot done on the car due to work but the good thing about being busy at work means you can spend more on the manta :-0
Some new parts arrived into the garage this week.
Still waiting for the Swedish inlet from G19engineering.
Should be here next week.

Always wanted one of these for the pit. Probably only use it one or two times but should be invaluable when needed
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Group A coil from Matt Lewis Motorsport
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8mm plug leads and dizzy cap
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BMW loom tape for the engine loom
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My new welder deserved a new mate so a speedglass one to suit

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Piper cams cambelt arrived and the aluminium bar for the concentric release bearing


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Arrrgggghhhhh my expensive dewalt grinder armature died so I'm fed up of buying angle grinders
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So it's back to screwfix cheap ones.
Ł25 for 1000w.
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Bought 2 and one was faulty straight out of the box. I must be lucky!
Old 19-10-2013, 09:13 PM
  #50  
rs clint
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hows it coming along m8
Old 19-10-2013, 09:16 PM
  #51  
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How did I miss this?! Awesome!

Bosch are the only grinders to use, all ours at work are and the only problems we get are when people drop steel on the fookin cable! Or the brushes wear down.
Old 19-10-2013, 09:38 PM
  #52  
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My Makita is brill too. I also use a Bosch at work (Metal fabricators) and they last yonks.
Old 19-10-2013, 10:15 PM
  #53  
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Our drills are Makita, they don't go wrong either.
Old 10-11-2013, 07:29 PM
  #54  
mantakev
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Did a bit of work to the intercooler holes in the front end.
Decided to cut the entire panel out ( yep I'm doing the job twice, again!)

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Then made a new panel out of zintec and did a nice hole with a cover
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It's here!!!!!!
Swedish inlet manifold made by Doug at G19 Engineering.

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Topped off by a quick release vac line kit from Eneboengineering
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Complete with a one piece throttle cable mount

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The manifold is fantastic, great fabrication. Made from 10mm plate ends and what feels like a 5mm+ case.
Check out the welds

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It should go well once fitted with the fuel rail and this new pressure reg
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Bailey breather to go onto the engine too

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I bought another engine loom, need to check it and wrap it. Getting a good Cossie loom has been difficult. I now have 3.
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This latest one cost 100 quid and still needed a slight rewire due to added wires and alarm shit
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Warming the manta gte loom to refit for dry build of engine


I want to get 400 bhp out of the engine, can anyone point me towards what I need to do
( for 400, greys,tp09, L8, 3bar, t38, bd10 bd14, breather, ?) but what actuator? Do I need to go wasted spark? what psi do I need to run? Should I strip and inspect the engine? It came out of a low mileage car but as we know it might of been ragged for those miles!
Cheers
Old 10-11-2013, 09:24 PM
  #55  
costina
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I would not use that pressure reg use a std weber one or a one from MSD.

Ive heard about issues with that type.

Last edited by costina; 10-11-2013 at 09:25 PM.
Old 11-11-2013, 10:37 AM
  #56  
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Brings back memorys of my Dad's White Opel Manta GTE, my first car I learned to drive in

very nice!
Old 11-01-2014, 06:09 PM
  #57  
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Tried the new manifold on, fits great. Thank's to Doug at G19 Engineering
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I have 3 cosworth looms now as you won't believe how hard it is to get a good one.
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Breather, the high power cossies have to breathe from both sides of the block and not from the cover ( but you all know that )

Ł300 later at torques I might have the parts
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Another Ł100 on teflon braided lines and torques fittings for the fuel rail
Cut the end off the rail
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Add -AN6 fitting

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Then return fitting and teflon lined braided nylon pipe


Kidney box deleted and a fitting inserted

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Then a AN10 fitting added

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On the other side the fitting looks wrong. I bought AN-10 to 1/2 NPT. It's 3/8 NPT to AN-10 I need so another one ordered this week.

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It all leads up to the bailey breather. I need a fitting welding into the sump for the oil return



I'm using stainless braided pipe covered in a nylon braid for all the pipes

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Inlet needed a special tool to be made to release the fitting


I will have to have a AN-6 fitting tigged into here onto the inlet

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Header tank bought and polished
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Swirl pot needs some work

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FPR polished but I may put the anodised one on

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PF09 bought, I know need a L8 ECU

Hartge wheels anyone?

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Mine need some love to look like the above

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Big decision to be made........................................

I think I'm going to leave it narrow bodied!
Old 11-01-2014, 06:40 PM
  #58  
mantakev
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Ahhhhhhhh, to have a clean pit, all the s##t ends up in their
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Last nights work in the garage. Henry the hoover who lives in the pit decided he didn't want to play anymore so he has stripped and rebuilt, now he can clean the pit again.
The computer screens, one got an upgrade and one a downgrade, the 42" plasma was swopped out for a 37" LCD and the 17" LCD swapped out for a 27" LCD. With the dual screen graphics card on pan it gives an effective ( if not slightly ineffective due to resolutions) 64" display and no Image retention worries as the plasma has gone
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Old 11-01-2014, 06:42 PM
  #59  
costina
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Use the weber reg

All looking great nice idea with the fuel rail fittings

Paul
Old 11-01-2014, 06:44 PM
  #60  
costina
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All you need now is a set of rollers
Old 11-01-2014, 06:44 PM
  #61  
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if you dont have any luck with the engine loom contact these guys, they are currently making mine, they are very polite and helpfull

http://www.grovegarage.com/?page=services
Old 11-01-2014, 06:48 PM
  #62  
costina
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Originally Posted by boy-racer-1
if you dont have any luck with the engine loom contact these guys, they are currently making mine, they are very polite and helpfull

http://www.grovegarage.com/?page=services
Or

www.bigturbo.co.uk

And repair what you got plugs available on ebay and from vehicle wiring products
Old 30-01-2014, 10:40 PM
  #63  
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Little update
Temp boss and ford sender now welded into radiator
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Fuel rail inlet modified with a AN-6 male to male turned down and tigged into it to allow a proper AN -6 connector

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Intercooler may be getting a drain put into the bottom.
Reference pic left to right.... Calibra turbo.. 2WD cossie.... Frontera TD... RS500 cossie
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Old 30-01-2014, 10:48 PM
  #64  
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Stunning project
Old 04-02-2014, 02:42 AM
  #65  
craig2351
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Awesome project, my girlfriends dad has a manta, had from new it's just undergoing a rebuild now, it's got a Nissan 370z engine in it
Old 24-02-2020, 02:52 PM
  #66  
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Any updates on this fantastic thread ?
Old 24-02-2020, 06:08 PM
  #67  
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What an awesome project, always liked the mantas and the chevette hsr aswell
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