605 bhp on Pump (99 RON)
I get my methanol delivered from 500 miles away at a cost of about $12/gallon. That is the most practical source I and others have found.
A engine dyno has the highest loading as it is operated mostly in a static load setup for mapping not a accelerated power run like most rolling road, Try hold 600hp on a RR to map and take a reading this is not like most power runs you see,
This is a much hard test of a engine than single power runs trying pulling max revs in top gear then try holding it on the brakes,
The engine dyno adds about 300 to 500rpm in spool holding it like this so it does bring up the torque reading like this however if you look at this graph it holds over 600ftlb over 1000rpm so this wont lower the max torque of this engine ,
Also this spec engine is not your usual type cheap unit everything has been reworked based on proven results over the years its easy to get power out of these engines but not the type and spread power this kind of unit does, However there a more than a few companies that can also,
The 200mph car I have done is accutly 206mph and this was on 2 diff times one was even on national TV also soon to go faster.
Mark
This is a much hard test of a engine than single power runs trying pulling max revs in top gear then try holding it on the brakes,
The engine dyno adds about 300 to 500rpm in spool holding it like this so it does bring up the torque reading like this however if you look at this graph it holds over 600ftlb over 1000rpm so this wont lower the max torque of this engine ,
Also this spec engine is not your usual type cheap unit everything has been reworked based on proven results over the years its easy to get power out of these engines but not the type and spread power this kind of unit does, However there a more than a few companies that can also,
The 200mph car I have done is accutly 206mph and this was on 2 diff times one was even on national TV also soon to go faster.
Mark
Guys I would just like to say that engine was built by Mark Shead of M.A Developments. He is probably the best engine builder and mapper over this part of the world. He is the most honest man you will ever come across he will not try sell you stuff you dont need only what works. So I can garentee you these numbers are not fudged. They were ran on norris designs engine dyno so I hardly think simon norris would allow a rival tuner fudge numbers to look better. The 2.2 kit running in the engine is Marks own design using cp pistons, custom arrow rods and a billet crank. Which as he says him self if ya threw a bomb at the crank the only thing which would blow up would be the bomb.
He is also the main man when it comes to Autronics ecu's.
Finally he has probably achieved more than most you guys posting on this thread.
He is also the main man when it comes to Autronics ecu's.
Finally he has probably achieved more than most you guys posting on this thread.
The difference in loading (as initially indicated by alex4nder) explains why the graph is dissimilar to a chassis dyno graph, and I see no issue with that aside from those making attempts to draw comparisons. Yet again, it isn't the power levels that I find irregular, but rather the apparent difference in fuel characteristics between there and here.
The difference in loading (as initially indicated by alex4nder) explains why the graph is dissimilar to a chassis dyno graph, and I see no issue with that aside from those making attempts to draw comparisons. Yet again, it isn't the power levels that I find irregular, but rather the apparent difference in fuel characteristics between there and here.
Mark
LOL
Well then in that case, we'll have to just mobilize a drag strip somewhere between there and here (Greenland?), and have a proper shootout. We'll bring the BBQ, and you can bring the Old Speckled Hen . . .
Well then in that case, we'll have to just mobilize a drag strip somewhere between there and here (Greenland?), and have a proper shootout. We'll bring the BBQ, and you can bring the Old Speckled Hen . . .
Wow, you're saying you don't believe 1/4-mile results? Dynos can be configured, corrected, and manipulated, but a 1/4-mile results is a 1/4-mile result...
Then you have no problem running meth injection, so talking down about our race gas numbers is not necessary. You get your meth for less than I pay for alcohol, so no problem. The shipping you pay probably evens it out - no problem again.
I have a problem with methanol injection in that we're trying to install what will likely be a substandard secondary fuel system in the car with often unreliable pumps, insubstantial lines, fire hazards with tank placement, fuel distribution issues, I could go on. You can put flow sensors and EGT sensors all over the place, but I still don't trust it to be a hassle free road car without hacking the car up. I'd rather run one of Mark Shead's high boost pump fuel setups.
So I'm not talking down US race gas numbers, just saying that they aren't relevant to what I want to do with my car, whereas what Mark Shead puts out that can go around the world on a variety of fuels, perform and hold together is of more interest to me.
So I'm not talking down US race gas numbers, just saying that they aren't relevant to what I want to do with my car, whereas what Mark Shead puts out that can go around the world on a variety of fuels, perform and hold together is of more interest to me.
Ok, if running 33psi to make 412whp is what interests you, then have at it. We'll stick with our unreliable meth injection setups in the meantime while making more power with less boost. Personal preference, aye?
Mark,
412 was the peak ATW number from a DD of I think neverneverman's car running GT53R on Optimax on MLR Modified. Basically it was just an example of another UK car running 2+ bar boost on pump fuel. Obviously it has nothing to do with you. And for some reason Warttalon seems to think 412 ATW on a DD is flywheel numbers.
Can you tell these guys Shoot44 does not give flywheel numbers!
Here is the graph in question...
412 was the peak ATW number from a DD of I think neverneverman's car running GT53R on Optimax on MLR Modified. Basically it was just an example of another UK car running 2+ bar boost on pump fuel. Obviously it has nothing to do with you. And for some reason Warttalon seems to think 412 ATW on a DD is flywheel numbers.
Can you tell these guys Shoot44 does not give flywheel numbers!
Here is the graph in question...
I don't think those are flywheel numbers - I never said that. 412 on a DD at 33psi is extremely weak. I know exactly how DDs read in normal mode with no correction factor - my local sponsor has one. It's all I use nowadays...
Mark,
412 was the peak ATW number from a DD of I think neverneverman's car running GT53R on Optimax on MLR Modified. Basically it was just an example of another UK car running 2+ bar boost on pump fuel. Obviously it has nothing to do with you. And for some reason Warttalon seems to think 412 ATW on a DD is flywheel numbers.
Can you tell these guys Shoot44 does not give flywheel numbers!
Here is the graph in question...

412 was the peak ATW number from a DD of I think neverneverman's car running GT53R on Optimax on MLR Modified. Basically it was just an example of another UK car running 2+ bar boost on pump fuel. Obviously it has nothing to do with you. And for some reason Warttalon seems to think 412 ATW on a DD is flywheel numbers.
Can you tell these guys Shoot44 does not give flywheel numbers!
Here is the graph in question...
The graph in red is my pre spec engine this made 568hp and 524ftlb on the same dyno on pump fuel 97octane it also made 636hp and 568ftlb on 102octane race fuel,
This was also the same car that did the world gumball across 3 countries inc LA/Vegas 3000miles driven very hard running 2bar boost mapped on UK95octane fuel for the event,
That engine does rather well on spool also.
Mark






