Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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MGBV8
Carl Floyd
Kingsport, TN
(4512 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Maximizing the Compression Ratio
Posted by: MGBV8
Date: November 26, 2014 09:39AM

[www.hotrod.com]


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

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

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Re: Maximizing the Compression Ratio
Posted by: Jim Stabe
Date: November 26, 2014 10:50AM

That is a good read. I used several of the detonation prevention methods in my engine and I think that is why I'm getting away with running 8 lbs boost with 11:1 compression.


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: Maximizing the Compression Ratio
Posted by: roverman
Date: December 09, 2014 01:59PM

Jim, I'm curious, what is air inlet temp,(after blower), at 8 psi.boost ?
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Jim Stabe
Jim Stabe
San Diego, Ca
(829 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: Maximizing the Compression Ratio
Posted by: Jim Stabe
Date: December 09, 2014 06:45PM

Don't know, I don't have a way to measure it. I do have water/methanol injection right after the blower that will cool it down considerably but I don't have any data.


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: Maximizing the Compression Ratio
Posted by: roverman
Date: December 10, 2014 11:32AM

Ok, 91 octane ?


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

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: Maximizing the Compression Ratio
Posted by: Jim Stabe
Date: December 10, 2014 06:01PM

That's all you can buy in the People's Republic of California.


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: Maximizing the Compression Ratio
Posted by: roverman
Date: December 11, 2014 11:05AM

At least, we're leading the world to *&$$#)@+/nirvana...



lars49
Larry Barnes
Colorado Springs
(177 posts)

Registered:
06/11/2009 02:12PM

Main British Car:
1980 MGB GM LA1 3400 V6

authors avatar
Re: Maximizing the Compression Ratio
Posted by: lars49
Date: December 19, 2014 03:43PM

You could try this [www.racegas.com] just type in your zip


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

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: Maximizing the Compression Ratio
Posted by: Jim Stabe
Date: December 19, 2014 08:42PM

Better to tune for readily available octane so you can buy gas anywhere. Closest to me on that site is 25 miles away through horrible traffic and they aren't open on the weekend.


djw090
David Witham
Warwick UK
(115 posts)

Registered:
06/12/2008 11:20AM

Main British Car:
MGB 1974 and MG ZT 160 turbo 2005

Re: Maximizing the Compression Ratio
Posted by: djw090
Date: December 24, 2014 07:45AM

Has anyone ever used Calico's CT2 coating.

If so do you have any feed back such as how did you apply it, how did you prep the surface, how well has it worked?


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