So only the variant stroke can be modified, and not the main stroke correct?
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Correct. Stroke is free to adjust but bore must remain fixedā¦ 
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So we are not allowed to use VVL on the ecoboost? Thatās a shame - it would have been a good way to emulate a twin scroll turbo with itās wide torque curve.
Valid point however I needed to limit the engine in some way. we just need to wait for power adders to be re-done
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At first this sounded drabā¦ after seeing what Bogliq just made it also sounds like Iām going to lose. 
with an ugly car, too.
Limit the maximum lift for stage 2 of VVL? This way we could have a smoother torque curve but top end power is still limited. Itās just an ideaā¦
this is not an all out power fest lol, I have given you the most modern tools i could to create the best entry level racer. The fact is the IRL version does not have vvl where as the chevy v6 does
edit: And i dont really want to limit anything more as these rules are designed to be expansive towards the types of cars made.
the 3 seat rule is so there is no 1-2 seat hyper cars btw
think lightweight racers ie lotus
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my champions pick awaits?
maybe we can use this track?
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Uhhhh thatās 15kmā¦ brings a whole lot of factors into good lap times. Not that Iām complaining. I already dibs on last place 
also we need to clear the room a bit
-can we use AWD
-what can i modify on the engines (i get it, bore no, stroke yes)
-can i use very old bodies
-is this only front engine or it can be mid engine and rear as well?
āAny engine placement is allowed, however all other specs must be as aboveā so follow the listed chassis requirements and you can pick where the engine goes and what wheels it drives.
āEngine variant modifications are unlimited with the exception of aspiration type and bore modifications (stroke can be modified) and 100 oct fuel will be providedā
You can do anything to the engine aside from whatās stated here, note the variant type part, so you canāt alter the number of valves, number or type of camshafts, block and head materials, or add or remove VVL.
Edit, just noticed the rules donāt state the chassis year, I assume itās supposed to be 2017, but itās not actually listed.
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I assumed the date of the engine, which in the case of the ecoboost is 2016, lol!
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The intro stated that the engines are 2017 I havenāt had a chance to get in my PC and download them yet
grrrrrrrrrrrr That should be 2017 but I guess so long as the trim year is 2017 we would get the same stats?
Or should I redo the enginesā¦ No surely its not that big of issue.
@lordvader1 you can add remove or change one rule in the ruleset, and I also need another 2 tracks
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Iām happy with my car and I believe itāll be competitive with 2017 builds so I say let 'em eat cake! 
Just change the rules to 2016/17 then itāll all work out. 
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Ok after doing alot more testing I have found a flaw in my rulesā¦ The Chev is heavier and less powerful than the ecoboost so I propose this, allow turbocharging of the Chev engine, with turbos no larger than 70/70mm, A/R is free to modified as is boost levels.
very eco much boost