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John Hamilton
John Hamilton
Navarre, FL
(23 posts)

Registered:
10/28/2009 11:18PM

Main British Car:
1965 MGB 1840 cc MGB

Re: TR 8 Update, Huffaker GT 1
Posted by: John Hamilton
Date: April 14, 2020 02:12PM

I need to build a new engine for my MGB GT V8 road race car. Any advice on pistons, etc? Things to avoid?

Thanks, John


MGBV8
Carl Floyd
Kingsport, TN
(4615 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: TR 8 Update, Huffaker GT 1
Posted by: MGBV8
Date: April 20, 2020 09:28AM

What will your rev limit be, John?

Assuming you are required to use a Rover V8 (maybe Rover 3.5 only) engine, can you only use certain years? Could you use a 4bolt main 4.0 sleeved down to a 3.5 bore?


John Hamilton
John Hamilton
Navarre, FL
(23 posts)

Registered:
10/28/2009 11:18PM

Main British Car:
1965 MGB 1840 cc MGB

Re: TR 8 Update, Huffaker GT 1
Posted by: John Hamilton
Date: April 28, 2020 12:47PM

I'm pretty sure the sleeved down 4.0 would be acceptable. Rev limit 7000. With the previous engine, 10:1 compression, hydraulic cam, I never got it fully sorted. My run group was all the big bore stuff and it was embarrassing how out-gunned I was.
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roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

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

Re: TR 8 Update, Huffaker GT 1
Posted by: roverman
Date: September 07, 2020 03:25PM

Read your specific rules, very carefully. IF is doesn't say you can't ? Says no 180 cranks ? Roller cams ? Roller rockers ?
You "may" have an advantage, if they're not really savvy on your engine ?
Good Luck, Art.


peterr991
Peter Johnson

(5 posts)

Registered:
05/26/2021 02:34PM

Main British Car:
Re: TR 8 Update, Huffaker GT 1
Posted by: peterr991
Date: May 26, 2021 02:52PM

Any updates on the car?


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

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

Re: TR 8 Update, Huffaker GT 1
Posted by: roverman
Date: June 04, 2021 02:29PM

Christian, thanks for that video. My car deserves no less, to be seen and heard.
Art.


tr8
Paul MacDonald
Canada
(40 posts)

Registered:
10/25/2008 04:07PM

Main British Car:
TR8 Coupe Rover 4.0

Re: TR 8 Update, Huffaker GT 1
Posted by: tr8
Date: June 06, 2021 09:33AM

Any progress Art?



roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

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

Re: TR 8 Update, Huffaker GT 1
Posted by: roverman
Date: June 14, 2021 07:42PM

I've started on a forged crank. Art.


ag1234
Arthur Gertz

(158 posts)

Registered:
03/29/2023 08:26PM

Main British Car:
Re: TR 8 Update, Huffaker GT 1
Posted by: ag1234
Date: June 28, 2025 05:52PM

Carl Floyd, In GT-1 car is allowed 4L.Bore or stroke to get there. I called a guy many years ago had a small journal "billet:,I

Definately want now !
Avanti, fast.


ag1234
Arthur Gertz

(158 posts)

Registered:
03/29/2023 08:26PM

Main British Car:
Re: TR 8 Update, Huffaker GT 1
Posted by: ag1234
Date: June 28, 2025 08:11PM

Yes, well there are C production cars and then there are GT-1 cars. 400 hp with an 85:", wb. makes for a pretty lively package.. Good news in vintage racing, driving ten-tenths, is discouraged. "IF" I make 8,000 rpm at Bonneville, 250 mph will be mine !
Note to self, bring hammer for goose bumps.
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