MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Cobra Eater- or Iteration part deux
Posted by: G.R.
Date: September 01, 2014 06:36PM

After much harassing from my 2 sons- they have convinced me to step up and go for the hail mary

After spending 3 years building my sons runway top speed car he convinced me to step up to his motor so he can pursue his
Viper dream race car

so we are sticking this into my 68 MGB GT

[www.youtube.com]

With the Procharger he was well into 4 figures, so it should be plenty for my little car



Edited 1 time(s). Last edit at 10/28/2014 08:56PM by G.R..


Jim Stabe
Jim Stabe
San Diego, Ca
(719 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: Jim Stabe
Date: September 01, 2014 06:58PM

The whole drivetrain or just the engine


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 02, 2014 11:41AM

It will be a LQ9 iron block 408 with a T56 behind it.


Jim Stabe
Jim Stabe
San Diego, Ca
(719 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: Jim Stabe
Date: September 02, 2014 02:50PM

Procharger too? We need lots of pictures


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

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Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 02, 2014 03:34PM

Right now he is running a F1-X at about 12-1350hp depending on fuel and tune
Our plan is to see how it runs w/o a blower at 6-700 hp and if we can do enough to the chassis maybe put a YSI blower back on
for 900+hp. And then try some of the smaller runway events

I know a lot of people will question our motives, but this will not be a drag car at all. They are roll on races. Much easier to control how the car handles and what abuse it can take


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

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Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 02, 2014 04:48PM

Here is the current engine we will be swapping in

[www.youtube.com]


roverman
Art Gertz
Winchester, CA.
(2986 posts)

Registered:
04/24/2009 11:02AM

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

Re: Corba Eater- or Iteration part deux
Posted by: roverman
Date: September 08, 2014 04:46PM

Silver State Challenge ? Mojave Airport miler ?



G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

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Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 08, 2014 05:11PM

My son does the ones in Texas
His favorite is the Texas Invitational- what started as fun with 1000hp has now gotten serious with cars over 2300hp now-That why he is moving from the supercharged Vette to a twin turbo Viper- but he still wont have enough to match the top cars-(It's amazing the speed that money buys) Some of the Lambos will have $500k+ invested

I will start a little smaller and go with one called the Runway Rivalry also in Texas- they limit cars to 1000hp max


rficalora
Rob Ficalora
Willis, TX
(2623 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: rficalora
Date: September 09, 2014 02:37PM

Where in Texas? Link for info?


MGBV8
Carl Floyd
Kingsport, TN
(3726 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
79 MGB, Buick 215

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: MGBV8
Date: September 09, 2014 03:00PM

Texas Mile?

[www.texasmile.net]


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 09, 2014 05:06PM



G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: September 16, 2014 07:56AM

Just picked up a lightly used T56 from a totaled Trans Am as well as a block to help with mock-up


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: October 27, 2014 07:45AM

Just an update
Got the mockup engine in. Both tranny and engine mounts built. Have the alt bracket built. Everything fits nicely under stock hood. Now it's time to clean up some holes and get some headers started.
IMG_1638.JPG


rficalora
Rob Ficalora
Willis, TX
(2623 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: rficalora
Date: October 27, 2014 09:28PM

I'll admit I don't know anything about LQ9's... But it looks to me like the spark plug holes would be inaccessible if the motor is mounted where it's sitting in the pic. What am I missing?


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: October 27, 2014 09:32PM

Surprisingly there is plenty of room. I will post pics showing the sparkplug access



G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

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Re: Corba Eater- or Iteration part deux
Posted by: G.R.
Date: October 28, 2014 07:51AM

Here is a photo showing there is plenty of clearance for the plugs, exhaust etc.
The LQ9 is the stronger iron block LS out of the Escalade- it's a must when building big boosted power
photo (11).JPG


Scott68B
Scott Costanzo
Columbus, Ohio
(541 posts)

Registered:
10/25/2007 11:30AM

Main British Car:
1968 MGB GM 5.3 LS4 V8

authors avatar
Re: Corba Eater- or Iteration part deux
Posted by: Scott68B
Date: October 28, 2014 07:25PM

G. R.

I'd really be interested in seeing the firewall mods you've done. I'll be watching your progress with interest.

Scott


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Cobra Eater- or Iteration part deux
Posted by: G.R.
Date: October 29, 2014 07:40AM

I cut mine back a little more then you. I wanted to make sure I had a lot of clearance to aid in air flow for cooling. Not sure if it will actually help (if not I just added extra work in cleaning up the holes) but I thought it was worth a try
I will have some pics with the engine back out shortly


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Cobra Eater- or Iteration part deux
Posted by: G.R.
Date: December 01, 2014 08:47AM

after few hours we have the engine out of the Vette
cut off a few bosses and change out the pan, and it's ready to go into the MGB
IMG_1842.JPG
IMG_1843.JPG



Edited 1 time(s). Last edit at 12/01/2014 09:05AM by G.R..


G.R.
G.R. Weltmer

(25 posts)

Registered:
08/18/2010 05:24PM

Main British Car:


Re: Cobra Eater- or Iteration part deux
Posted by: G.R.
Date: February 09, 2015 08:16AM

Finally have something to update. We got some nice weather and it was back into the garage.

Had to modify some things on the engine-
I blocked off the heater hose ports on the water pump- going to be a fair weather car so not needed
also got a straight water neck, as both the neck and hoses ran into the frame rail of the MG

I'm using C5 Corvette accessories, so all I had to do was notch the alternator bracket and it allowed the the alt to
fit under the hood with no clearance issues

By using the Vette pump and accessories it allowed for a shorter install as they are tucked close to the block

Added the C6 pan for clearance (shallow Pan)

you can see where I cut out for the exhaust- the black template will be stainless trim rings I'm having made

started on the headers-Boy, do they take patience! Just MIG tacking them at this point and then will got back
and TIG them for a nice clean look. Hope to have them finished in a week or so and then sent out to be Jet-Coated
IMG_1940.JPG
IMG_1947.JPG
IMG_1948.JPG
IMG_1952.JPG
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