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E85 is only a waste if it isn't available for you. If E85 is readily available than it's silly not to use in a boosted application. Every degree of timing adds a ton of power on boosted LS motors and E85 gives you the ability to add a lot of timing. I run E85 and water/meth which is what I recommend doing. Helps really cool things down and allows more timing.
I never sai d it didnt make power, of course it does. I think it's perfect for a weekend toy or grudge car. To run it in a daily sucks, though, at least where I live(SoFlo). The amount of driving necessary here s substantial and the 4mpg will wear you out. Have had friends/customers all try it, love the power, hate the drivability. It's all personal preference, I was just sharing my opinion on it.
I have no drive ability problems with E85. It's all in proper fuel system setup with a return system and boost referenced regulator with everything properly sized. Tune is key as well, but E85 causes no drive ability issues. It's all about availability is the only issue I could see. If it's not available then obviously it's a poor choice for you, but I live in Iowa. LOL. I'm nearly maxing out a Magnafuel 4303 pump and 1200 cc injectors on only 50% ethanol and use water/meth on at 4 psi. 19 psi on a 377 with 10.6 to 1 compression and run 18 degrees peak timing. The plugs show I could probably go to 20 degrees advance safely. You can't run any where near that timing on pump gas with that compression and boost level. ECT and IAT are never an issue. We only get about 2 weeks of over 100 degree temps here, but last year I purposely went out in those temps for a long drive and a couple wot pulls just to see how it did and no issues at all. That was before the water/meth even.
Looks like the OP already has it sorted out, but I just wanted to share a recent build over on Camaro5, since it was a very nice LSXR Maggie build. Stock stroke, 2300 made 900/800.
Looks like the OP already has it sorted out, but I just wanted to share a recent build over on Camaro5, since it was a very nice LSXR Maggie build. Stock stroke, 2300 made 900/800.
Thanks for the link, interesting build! Actually, Im still torn between going with a 4.165 bore and 4.00 stroke or just doing stock size (still all forged). The LSX bowtie iron block I have has longer sleeves and can handle 2000hp from GM claims. Alot of people are thinking the sleeves are regular length hell even the machine shop was confused when I talked to them about it lol....
4.125 bore and stock stroke 388 is a nice combo. That way, if you do mess things up, you can always reuse the block and go 4.165 later. Lot of turbo cars like the 388.
I think a 427 might want a bigger blower than the 2.3.
Bigger engines make more power and torque, but 388's help if the chassis can't put power down and the driver needs to pedal it. Valvetrain expense goes up with rpm and that's why the big bore short stroke combinations aren't as common. For those that want to go 388, the filters on our website can help you drill down quickly. Basically Pistons > Chevrolet > Gen. 3/4 > Bore 4.125 > Rod Length 6.125 > Compression Height 1.304 > and that will lead you to these various volumes and you can drill down further.
Hey whats up I just came across this thread again and thought I'd update Fiiiiinally decided to just redo the whole fuel system. Going E85 / Flex with 8an feed, 6an return and Aeromotive regulator. Chris1313 dual 450's, 1500cc DW Injectors. Should be nice I hope! Still got the TVS 2300 btw so gonna see what she can do with that feeding her together with water-meth injection I was thinking of adding some "sauce" to break 1000 but idk let's see what happens lol.
I went through the same self debate, and chose stock stroke. I plan to put a lot of hours on my engine, and was nervous about piston rock and oil burning/smoke. I see it was an issue early on, but could not find enough data to say it has been resolved, so I just kept it stock stroke. I run my motor 2-4 times a week, and for 3-14 hours each run. So, I’d currently say it depends on your usage rate. Max effort runner? Random street usage? Daily driver? Etc….
I went through the same self debate, and chose stock stroke. I plan to put a lot of hours on my engine, and was nervous about piston rock and oil burning/smoke. I see it was an issue early on, but could not find enough data to say it has been resolved, so I just kept it stock stroke. I run my motor 2-4 times a week, and for 3-14 hours each run. So, I’d currently say it depends on your usage rate. Max effort runner? Random street usage? Daily driver? Etc….
My local engine shop basically said that a shorter / stock stroke is a lot more forgiving at high rpms or bouncing off the rev limiter with boost. To answer your question, the car is a non-daily, weekend car basically.
Bigger engines make more power and torque, but 388's help if the chassis can't put power down and the driver needs to pedal it. Valvetrain expense goes up with rpm and that's why the big bore short stroke combinations aren't as common. For those that want to go 388, the filters on our website can help you drill down quickly. Basically Pistons > Chevrolet > Gen. 3/4 > Bore 4.125 > Rod Length 6.125 > Compression Height 1.304 > and that will lead you to these various volumes and you can drill down further.
Summit LS Pro pistons for 4” stroke applications for the win!
I saw a post on facebook where a guy posted this:
”Stroker skirt wear post. Yes the skirts come out of the bore on 4" stroke motors, yes the skirts wear out but it's not as bad as some would make it seem. This motor was built back in 2011 and ran hard for 9 years. Numerous road trips and street cruising/beatings and probably 40-50k miles. Here's a pic of one of the "bad" skirts and a pic of a better one. 403ci lq9 with l92 heads made a little over 1000whp with an 88mm turbo. Motor finally gave up with a spun rod bearing last season.”
Summit LS Pro pistons for 4” stroke applications for the win!
I saw a post on facebook where a guy posted this:
”Stroker skirt wear post. Yes the skirts come out of the bore on 4" stroke motors, yes the skirts wear out but it's not as bad as some would make it seem. This motor was built back in 2011 and ran hard for 9 years. Numerous road trips and street cruising/beatings and probably 40-50k miles. Here's a pic of one of the "bad" skirts and a pic of a better one. 403ci lq9 with l92 heads made a little over 1000whp with an 88mm turbo. Motor finally gave up with a spun rod bearing last season.”
Great example here of skirt wear in a properly setup stroker application. I’ve seen way more wear in 3.6 stock stroke engines with similar mileage. Piston design has come full circle for stroker applications as manufactures have found how to design the barrel of the piston properly. Wiseco led the way in this a decade ago, or more. Great post!
Fiiiiinally decided to just redo the whole fuel system. Going E85 / Flex with 8an feed, 6an return and Aeromotive regulator. Chris1313 dual 450's, 1500cc DW Injectors. Should be nice I hope! Still got the TVS 2300 btw so gonna see what she can do with that feeding her together with water-meth injection 
I was thinking of adding some "sauce" to break 1000 but idk let's see what happens lol. 
