The BritishV8 Pub

general notices, announcements, invitations, & social stuff (like meets & car shows)

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BMC
Brian Mc Cullough
Forest Lake, Minnesota, USA
(377 posts)

Registered:
10/30/2007 02:27AM

Main British Car:
1980 MGB '95 3.4L 'L32' SFI V6, GM V6T5 & 3.42 Limi

authors avatar
Please post your dyno results
Posted by: BMC
Date: October 25, 2011 04:28AM

I am looking for dyno results for ANY engine that you have installed in your conversion. Namely, trying to keep apples to apples as much as possible, I am mostly interested in MGBs with any type of engine that was installed mostly stock. None the less, if you have papers and your not afraid to show them , please post them here!

-BMC.


TR6-6SPD
Ken Hiebert
Toronto Ontario
(239 posts)

Registered:
04/23/2008 11:43AM

Main British Car:
1972 TR6 1994 5.7 L GM LT1

authors avatar
Re: Please post your dyno results
Posted by: TR6-6SPD
Date: October 26, 2011 12:25PM

Hi Brian,
Here's a Dynorun from the British V8 meet in Durham, N.C., 2009. Stock GM LT1 engine, 273 HP, 334 Torque.
Sorry, it's a TR6.
Scan10492.JPG
Video:
[www.youtube.com]


kstevusa
kelly stevenson
Southern Middle Tennessee
(873 posts)

Registered:
10/25/2007 09:37AM

Main British Car:
2003 Jaguar XK8 Coupe 4.2L DOHC/ VVT / 6sp. AT

authors avatar
Re: Please post your dyno results
Posted by: kstevusa
Date: October 26, 2011 04:44PM

My 2 dyno pulls from Durham meet also. 270 RWHP & 300# ft. Tq. have since had the lower intake ported by pro and hope to have another 10 RWHP min. The A/F ratio was stable all the way and ideal for my application. Not too bad for 302 CID or 5.0 L Blue Oval! Engine cammed for low and mid range use, nothing above 5K.




KellyS.JPG


tr6turbo
Dale Knapke
Sidney, Ohio
(158 posts)

Registered:
08/24/2008 09:44PM

Main British Car:
1972 Triumph TR6 Ford 2300, 4 Cyl Turbo

Re: Please post your dyno results
Posted by: tr6turbo
Date: October 26, 2011 07:12PM

Hard to read. Max HP was 396, Max Torque was 398. Ford 2.3 L Turbo 4 Cylinder.
dyno chart (800x618).jpg



Edited 1 time(s). Last edit at 10/27/2011 05:27PM by tr6turbo.


kstevusa
kelly stevenson
Southern Middle Tennessee
(873 posts)

Registered:
10/25/2007 09:37AM

Main British Car:
2003 Jaguar XK8 Coupe 4.2L DOHC/ VVT / 6sp. AT

authors avatar
Re: Please post your dyno results
Posted by: kstevusa
Date: October 28, 2011 09:02PM

My V8 defers to Dale's 4 cyl in the POWER dept. I do not run 29# boost or spray it! :)


HealeyRick
Rick Neville

(460 posts)

Registered:
12/19/2007 05:01PM

Main British Car:
1963 Austin-Healey 3000 Ford 5.0L

authors avatar
Re: Please post your dyno results
Posted by: HealeyRick
Date: October 28, 2011 09:32PM

"My V8 defers to Dale's 4 cyl in the POWER dept. I do not run 29# boost or spray it! :)"

Gotta agree. Those are some pretty impressive numbers for a four-banger. Makes us old guys that are into big cubic inches, lots of carbs and maybe a blower look kind of dumb.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5658 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Please post your dyno results
Posted by: BlownMGB-V8
Date: October 29, 2011 11:44AM

I have to disagree Rick (Even though I like Blowers and heavy boost). The big cube engines have a sort of lazy power that is bottomless in nature. If you want more it's always there, and it's there at any speed, even off idle, with a smooth power delivery that carries no surprises. It's not all about the numbers you know, it's about the driving experience and about tailoring the engine to your driving style. For some drivers such as Dale the turbo'd and juiced 4 is perfect while for others it'd be a nightmare. I think we are going to find a lot of folks really like the big inch motor once they've been exposed to the MG-Roadmaster, but of course we don't have dyno results for it yet. The numbers will be up there though, I think you can count on that.

JB


MGB-FV8
Jacques Mathieu
Alexandria, VA
(299 posts)

Registered:
09/11/2009 08:55PM

Main British Car:
1977 MGB Small Block Ford, 331 Stroker

Re: Please post your dyno results
Posted by: MGB-FV8
Date: October 29, 2011 11:52AM

Well said Jim.......


tr6turbo
Dale Knapke
Sidney, Ohio
(158 posts)

Registered:
08/24/2008 09:44PM

Main British Car:
1972 Triumph TR6 Ford 2300, 4 Cyl Turbo

Re: Please post your dyno results
Posted by: tr6turbo
Date: October 29, 2011 12:40PM

First lets clear up one thing. Mine is turbo only. No juice. I agree with Jim. Big engines are more streetable. I just wanted to be different. Besides I like taking my 140 cubic inches and beating 350s, 400s etc at the drag strip.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5658 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Please post your dyno results
Posted by: BlownMGB-V8
Date: October 29, 2011 05:08PM

That's right, I'd forgotten. Your car is perfect for what you are using it for and I bet it really steams those guys when they see what you are running. Pretty good way to get your chuckles I've got to admit.

JB


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

Registered:
04/29/2009 11:37AM

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

Re: Please post your dyno results
Posted by: lawnvett
Date: November 01, 2011 09:44PM

Don't have the papers scanned but from May 2011 at Sneeds Speed Shop near Winston-Salen, NC my 1974 MGB/GT 3.4 V6 produced about 150 HP and 200 ft/lbs torque. It's a stock crate engine with Holly carb.


roverman
Art Gertz
Winchester, CA.
(2917 posts)

Registered:
04/24/2009 11:02AM

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

Re: Please post your dyno results
Posted by: roverman
Date: November 02, 2011 06:39PM

Yes, we feel the need for speed, but to some, there's also things like the "sound". There's something about the sweet noise of a well prepped V8 with the right exhaust............. I shall probably "engine dyno" the 6.1L hemi for the Healey. I would like to have about 500hp., out back. I may have learn to drive, all over. roverman.


BMC
Brian Mc Cullough
Forest Lake, Minnesota, USA
(377 posts)

Registered:
10/30/2007 02:27AM

Main British Car:
1980 MGB '95 3.4L 'L32' SFI V6, GM V6T5 & 3.42 Limi

authors avatar
Re: Please post your dyno results
Posted by: BMC
Date: November 17, 2011 10:44PM

Cool Guys! Keep them coming!

-BMC.


74ls1tr6
Calvin Grannis
Elk Grove,CA
(1145 posts)

Registered:
11/10/2007 10:05AM

Main British Car:
74 TR6 / 71 MGB GT TR6/Ls1 71 MGB GT/Ls1

authors avatar
Re: Please post your dyno results
Posted by: 74ls1tr6
Date: December 29, 2011 03:10AM

Dyno run results! Sorry!! Not a MG Brian.

408.4 Rear Wheel Horse Power @ 5800 to 6135 rpm. My injectors were at 100% duty cycle around 6200 or less rpm. Need to probably go to some Ford Motor Sport red top 30 lbs injectors(Ford Chevy mix :-)). I'm still running stock 28 lbs injectors. Nice power, and all at 26 mph on highway.

Rear Wheel Torque @ 393.3 .... at 4677 rpm.

Rev limiter set at 6800 rpm

First run after reving to 6764 rpm, then letting off, it was running a little fat, let out a Huge 2 1/2 foot flame out the exhaust. I was standing in the back off to the side doing a video, kind of scared me a little + black smoke. So my video did get some of the flame but I was not focust on the camera anymore. This shop Dyno, can dyno dragters up to 2500rwhp.

I tuned this engine with HP Tuners Pro with a Dynojet II wideband O2 sensor. Mark Romans did the fine tune on the Dyno.


Calvin's 1974 TR6 ls1 Dyno on a Autodyn 30.jpg

Cal dyno sheet1.jpg

Cal dyno sheet2.jpg




This Dyno run was in 4th gear. This is hard for me to believe, on the second sheet it shows 142mph "Wow"



Edited 3 time(s). Last edit at 02/18/2012 12:38AM by 74ls1tr6.


Spitfire 350
Phil McConnell
Perrysburg, OH (Toledo area)
(182 posts)

Registered:
01/11/2010 09:19PM

Main British Car:
74 Spitfire 350Chevy

authors avatar
Re: Please post your dyno results
Posted by: Spitfire 350
Date: December 29, 2011 11:17AM

Calvin,
Congratulations!! You are now the King of the HP Hill!! I watched your driving video last week, then I saw this, so I went back to the start of your build thread and looked through it. I am in awe! The work is truly exceptional and the car is a masterpiece. The best thing is, now you get to drive it. What upgrades did you do the LS? Was there a predicted crankshaft hp/tq?


74ls1tr6
Calvin Grannis
Elk Grove,CA
(1145 posts)

Registered:
11/10/2007 10:05AM

Main British Car:
74 TR6 / 71 MGB GT TR6/Ls1 71 MGB GT/Ls1

authors avatar
Re: Please post your dyno results
Posted by: 74ls1tr6
Date: December 30, 2011 01:48AM

Hi Phil,

Thanks, but I'm not going to be on top for long as others will top it, I'm sure of that :-) Like Art or Jim B or how about Ed Olsen's TR6, 487 Pontiac turbo flame thrower Hehe.

As far as upgrades, these Lsx series engines with all the combinations on the market now, you can predict real close what your hp to the ground is. I called Texas Speed, gave them what I was looking for, they said here you go, I bought, I received, I installed. When getting it Dynoed, it came in within 10HP of what they said it would do.

Upgrades were, ARP bolts where they needed to be, Ported Heads with larger valves 62cc chambers, Hand Ported Fast intake by Tony Mamo at AFR, better push rods, better oil pump, better timing chain, better lifters, upgraded rocker trunions, cam, and just the right combination of parts to reach the goal I wanted. I couldn't do that with my TR6 engine :-). I went somewhat in the middle of performance so it has nice drivability and gas milelage.

As far as Flywheel hp, I don't know. I guess with power train HP loss somewhere 470 to 500 hp. I really don't know.

I can't wait to see your Spitfire in Texas. It must handle like a go-kart.


v869tr6
Ed Olson

(81 posts)

Registered:
10/25/2007 09:54PM

Main British Car:
69 TR6 487 CI Pontiac

Re: Please post your dyno results
Posted by: v869tr6
Date: January 28, 2012 02:25PM

Looking around and I see my car mentioned, LOL The higest number I have seen at the tire has been 700 HP at 5100 RPM.
I put EFI and a air/water intercooler on since then and can now can run gas or alcohol. With a tank fuel of E98 I let the Trans-brake go at the strip and snapped a 31 spline axle right away, car seems very angry now. I melted pistons above 20 PSI with the carb because the engine leaned out, with the EFI I should be able to turn up the boost till I run out of turbo, time will tell.


tr6turbo
Dale Knapke
Sidney, Ohio
(158 posts)

Registered:
08/24/2008 09:44PM

Main British Car:
1972 Triumph TR6 Ford 2300, 4 Cyl Turbo

Re: Please post your dyno results
Posted by: tr6turbo
Date: January 29, 2012 10:21AM

Ed, What EFI system are you using that allows you to run gas or alcohol?


v869tr6
Ed Olson

(81 posts)

Registered:
10/25/2007 09:54PM

Main British Car:
69 TR6 487 CI Pontiac

Re: Please post your dyno results
Posted by: v869tr6
Date: January 29, 2012 08:43PM

I went with the latest EFI from FAST, I don't have to much time on the system yet but it self tunes to you're Volumetric Efficiency and the air/fuel you pick out. You can then put in a fuel constant, for gas you use one and for E98 I have been using 0.60 for E85 I think the number is around 0.68
The car is tuned for E98 now and has what looks like a good tune, as far as gas go's all I did was change the constant and put gas in the tank to store the car for winter. With the gas the car fired right up and idled and ran great, still need to check the gas tune up but it seems very close.
Plan is to race on E98 drive on E85 and when I can't get E85 I can get by with gas.


BMC
Brian Mc Cullough
Forest Lake, Minnesota, USA
(377 posts)

Registered:
10/30/2007 02:27AM

Main British Car:
1980 MGB '95 3.4L 'L32' SFI V6, GM V6T5 & 3.42 Limi

authors avatar
Re: Please post your dyno results
Posted by: BMC
Date: March 07, 2012 12:20AM

Now that others have started to post, I will too! This may not be the 300 BHP engine but its enough to break the stock axle/tyres loose and put the car backwards into a fence- not that I have. Not yet.

This is two V6 conversions and one MGB engine set up for heavy duty autocross. It took quite a bit to get that MGB engine there and a few hours and different needles another day meant a few more BHP but a lot of work for not close to what the V6 ran without any work.



https://lh3.googleusercontent.com/-1a6zEpRZZN8/SchWz53jD4I/AAAAAAAAB0g/OfjjL3l0vtw/s800/25542387.jpeg






BTW: The TR6 and other conversion cars are Great. Keep them coming! I enjoy seeing base numbers just as much as these modified engines. Very few people will place a stock engine on the dyno because they are embarrassed about the numbers shown. The completely stock GM 350 V8 only made the same BHP at the flywheel that my V6 did 10 years later.

-BMC.
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