MG Sports Cars

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

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MGBV8
Carl Floyd
Kingsport, TN
(4514 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: MGB Roadmaster
Posted by: MGBV8
Date: June 02, 2013 10:30PM

Didn't ping when I had it in March '12. That was with the original carb, though.


madmax
Max Fulton
Durham, NC
(186 posts)

Registered:
10/19/2008 07:45PM

Main British Car:
1974 1/2 MGB 1972 MGB 1977 V8 project 1972 B r 1860 cc

Re: MGB Roadmaster
Posted by: madmax
Date: June 03, 2013 09:37AM

Carl, et al:

Yeah, I read through the logbook and there wasn't much recorded re: pinging. Since that time, however, I believe PJ changed a fuel pump. And we also changed carb. (Was it a 750 before and is now the 850?)

It has also been dynoed since then, and they made some changes (timing, I believe, is what was reported). I does seem, however, from what Steve reported and I experienced, that the pinging might be a "new" thing. (Wasn't there a spark retard box during the Power Tour that was ultimately disconnected?)

Fishing for clues....

M


Dan B
Dan Blackwood
South Charleston, WV
(1007 posts)

Registered:
11/06/2007 01:55PM

Main British Car:
1966 TR4A, 1980 TR7 Multiport EFI MegaSquirt on the TR4A. Lexus V8 pl

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Re: MGB Roadmaster
Posted by: Dan B
Date: June 03, 2013 11:49AM

I haven't really noticed pinging.... I drove it Saturday to our club picnic, but just cruising really.
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Citron
Stephen DeGroat
Lugoff, SC
(367 posts)

Registered:
10/23/2007 09:43PM

Main British Car:
1970 MGBGT V6, 7004R, AC, matching trailer 3.1 liter

Re: MGB Roadmaster
Posted by: Citron
Date: June 03, 2013 03:15PM

Carb is a 750 from summit.
No electronics has been disconnected. If there was a retard box, there still is.
I did not notice ping while I had it. If it runs on when shutting down, it has a clutch, kill it.
High test will take care of most of that.
If it ping, retard the timing some.

steve


rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

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

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Re: MGB Roadmaster
Posted by: rficalora
Date: June 03, 2013 03:32PM

It didn't ping when I had it and that was after both the synopsis timing changes and the power tour. I did run it on premium gas - 93 octane around here but also up to 10% ethanol. Timing box is a timing control box - designed to manage timing with distributor advance locked out. I still don't understand why we have it and a distributor with advance. If pinging is new and isn't gas related (octane, pump, etc.) maybe the knobs on the timing box got inadvertently adjusted. It's mounted in the cabin above the passenger foot well.


lawnvett
PJ Lenihan
Winston-Salem, NC
(477 posts)

Registered:
04/29/2009 11:37AM

Main British Car:
74 MGB-GT 3.4 V-6 crate, 5 spd

Re: MGB Roadmaster
Posted by: lawnvett
Date: June 04, 2013 05:06AM

"I believe PJ changed a fuel pump." said Max,
Yes new fuel pump was installed Aug. 2012 . . . and that was shortly after running out of gas, about ten miles after gassing up the fuel pump failed maybe a bit of grit from the bottom, I think we also changed the fuel filter if I remember correctly. . .
then came final breakdown, of the TX to IL trip resulting in Riki's expensive speeding ticket..

I didn't hear the "pinging" thought I must be going tone deaf or possibly had the volume too high while listening to the road trip playlist on the iPhone connected to the RM sound system. yeah baby let those tunes rip



Edited 1 time(s). Last edit at 06/04/2013 05:10AM by lawnvett.


Dan B
Dan Blackwood
South Charleston, WV
(1007 posts)

Registered:
11/06/2007 01:55PM

Main British Car:
1966 TR4A, 1980 TR7 Multiport EFI MegaSquirt on the TR4A. Lexus V8 pl

authors avatar
Re: MGB Roadmaster
Posted by: Dan B
Date: June 04, 2013 08:50AM

I think the stumble is the biggest issue with how the engine is running now, and you can avoid that if you don't hammer the gas pedal. Funny watching the tachometer spin round and round, back and forth, etc. like a compass on a cartoon. Maybe Bill G. can fix that in Omaha.



mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

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Re: MGB Roadmaster
Posted by: mowog1
Date: June 16, 2013 10:05PM

The Roadmaster is now residing in my garage in Saint Joseph IL

I will be checking with Parkland College regarding paint for the new bonnet that was donated by Dave Craddock of Preform Resources.

WIll attempt to get paint codes from Terry Schuelte.


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: June 22, 2013 06:16PM

Back from the car show in Savoy (IL). Sunny & hot at first....then the skies openned up and produced about 2-1/2" of rain in a two hour time frame. The car gathered a LOT of interest and comments....all positive.

There were at least three Buicks with 455's...and the Roadmaster got their attention almost immediately.

Here's a few photos from today......

6-22-2013_1.jpg

6-22-2013_2.jpg

6-22-2013_4.jpg

6-22-2013_5.jpg


Todd McCreary
Todd McCreary

(207 posts)

Registered:
03/16/2012 10:57PM

Main British Car:
Re: MGB Roadmaster
Posted by: Todd McCreary
Date: June 23, 2013 09:42AM

did you post about this show anywhere previously?


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

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Re: MGB Roadmaster
Posted by: mowog1
Date: June 23, 2013 10:22AM

I did not know about this show until Friday evening.

I was able to make it because Savoy is 15 minutes from Saint Joseph.

I found out about a show in SW Michigan yesterday as well...that had I known about it, would have been there today as the MGB/GT was the featured car. Other plans had already been made by that time.
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mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: June 23, 2013 12:09PM

Roadmaster "demister/defroster".....is this connected?!


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

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Re: MGB Roadmaster
Posted by: mowog1
Date: June 23, 2013 12:10PM

Max...the fan cycled properly yesterday.


Citron
Stephen DeGroat
Lugoff, SC
(367 posts)

Registered:
10/23/2007 09:43PM

Main British Car:
1970 MGBGT V6, 7004R, AC, matching trailer 3.1 liter

Re: MGB Roadmaster
Posted by: Citron
Date: June 23, 2013 10:11PM

I think one of the controls might be stripped.
Take the knob off and try turning it with needle nose .
Defrost did not work for me when I drove it to Max's for the rearend change
Worked other times.
Steve


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: June 25, 2013 09:23PM

Thanks.

I'm also going to source a "new" turn signal/dimmer stalk.



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

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

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Re: MGB Roadmaster
Posted by: BlownMGB-V8
Date: June 27, 2013 09:23AM

I'm sure glad to see you're having fun this time around Rick! (Now just keep a close eye on that radar detector ;-) Personally, I think we should be thinking about installing A/C and cruise control. It would make the car SO much better.

Have you looked at the new steering column yet?

Jim


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: June 27, 2013 09:39AM

It's out of the box...that's a start.


mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: July 04, 2013 09:51PM

Made the template for the new bonnet and will send it off to Preform Resources tomorrow.

I've advised that the opening needs to be about 1/4" wider on the sides.

Bonnet Template_1.jpg

Bonnet Template_2.jpg



Edited 1 time(s). Last edit at 07/04/2013 09:55PM by mowog1.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6470 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: MGB Roadmaster
Posted by: BlownMGB-V8
Date: July 05, 2013 09:52AM

Rick, when I gave Dave the dimensions I recommended that the passenger's side be made 1/2" wider and the rest looked OK to me. It rubs a little on the left. You have the car, you make the call.

Jim
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mowog1
Rick Ingram
Central Illinois
(1523 posts)

Registered:
10/17/2007 09:36PM

Main British Car:
1974.5 MGB/GT 3.9l Rover

authors avatar
Re: MGB Roadmaster
Posted by: mowog1
Date: July 05, 2013 10:07AM

A 1/2" increase is fine by me as well...but should be done on both sides to make it look right.
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