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      02-02-2018, 05:33 PM   #1
JohnEastvold
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Vf Supercharged On E85

Hey guys, i figured id make a post about my experience with this car. It started stock exactly two years ago today (Bought it feb 2nd 2016).

Its a 2008 BMW M3 coupe. 6 speed. (original clutch still )At 65k had BE BEARINGS dont with ARP bolts (pic 1). At roughly 70k i had gotten a Gintani E85 tune (burble) along with Advanced Fuel Dynamics PROFLEX Commander installed (pic 2 of the install). Ran Great. Also threw on test pipes, under drive pulley but for some reason decided to keep it with the stock 2008 OEM intake and filter (legit too lazy to buy a new filter) and she threw down 384 on a dynojet. (pic 3 of baseline and fbo on e85)

at 78k miles i decided i wanted more power so i went and bought a vf620 supercharger kit and got a BPM tune (pic 4). installed it, ran great... but i had forgotten to swap out spark plugs so within 3 days it started to blow spark out and dip down on power(pic 5 and 6). I waited roughly 2/3 months before finally getting new plugs (went with NGK Laser Iridium 95770 at a .22 gap pic 7). Was recommended to me by the shop i go to and works great (except on really cold days it struggles to start when filled with E85 but that was anticipated)

Now she has new plugs (at 85k) and currently running great (so i think). Got it dynoed yeserday at a local dynojet (will be going back to my normal dynojet ive used next week) and she put down some good numbers. Their AFR reader was reading all wack, might be my car, might be their reader, i dont know for sure(pic 8 showing ARF up to 18). So my way to illuminate the confusion will be to go to my old dyno and retry there since i know they have been consistent so far. I did dyno my car at my normal dynojet when i supercharged it to try and pinpoint where my power loss was coming from(pic 5 again). It was dynoed on E85 and had no boost leak (ran 7.25 psi) and good AFR (12.05 at WOT till redline). I was under the impression that even with blown out spark plugs it was still getting the needed amount of fuel so that is why even with yesterdays dyno AFR i wasnt too worried.

Yesterday i got a little impatient so i went to a different dynojet than i normally go to. He was a great dude, building some powerful machines there. Just seemed my car's AFR weren't reading correct and when it did read good i thought it had an odd outcome. (pics 8-10)

will post more as i do more.

i drive it everyday. Spirited runs every weekend. Never skips a beat. Im sure there are thing i should monitor more closely (being AFR) but it hasnt had any issues so I will let her be for now...

I will be throwing on the vf650 Pulley and im assuming i will need a new belt and tune? (any info would help).

As of yesterdays dyno on E85 she put down:
STD smoothing 5 - 584whp and 420tq
STD smoothing 0 - 617whp and 434tq
SAE smoothing 5 - 570whp and 410tq (dont have the sheet for it)


When i go with the 650 pulley i am hoping for over 650+whp and 450+wtq on e85.
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      02-02-2018, 05:45 PM   #2
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Just clarifying, you ran FULL e85 with the Flex Fuel kit, VF620 and BPM tune?
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      02-02-2018, 05:47 PM   #3
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Quote:
Originally Posted by JsL View Post
Just clarifying, you ran full e85 with the Flex Fuel kit, VF620 and BPM tune for 93 octane?
Yep! the last two dyno sheets were of that. BPM 93 tune running full E85.
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      02-02-2018, 05:49 PM   #4
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Quote:
Originally Posted by JohnEastvold View Post
Yep! the last two dyno sheets were of that. BPM 93 tune running full E85.
I have been very tempted to slap a flex fuel kit on my vf620 too. Thanks for posting your experiences.
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      02-02-2018, 05:54 PM   #5
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Quote:
Originally Posted by JsL View Post
I have been very tempted to slap a flex fuel kit on my vf620 too. Thanks for posting your experiences.
no problem. i am no way telling everyone their car will hold up fine... but i will say my car has seen nothing but E85 for a solid year. N/A and Boosted. I'm really impressed with the TQ it threw down, from my research its pretty rare to see stock block supercharged cars putting down over 400tq SAE or STD. Most are a low compression build of some sort. So the E85 really stepped up in that aspect IMO.
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      02-03-2018, 04:22 PM   #6
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Quote:
Originally Posted by JohnEastvold View Post
Quote:
Originally Posted by JsL View Post
I have been very tempted to slap a flex fuel kit on my vf620 too. Thanks for posting your experiences.
no problem. i am no way telling everyone their car will hold up fine... but i will say my car has seen nothing but E85 for a solid year. N/A and Boosted. I'm really impressed with the TQ it threw down, from my research its pretty rare to see stock block supercharged cars putting down over 400tq SAE or STD. Most are a low compression build of some sort. So the E85 really stepped up in that aspect IMO.
400-420 WTQ it is the STOCK roads limit.
Behave yourself!
Or you will need another engine!
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      02-03-2018, 04:30 PM   #7
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Quote:
Originally Posted by Weyne Masters View Post
400-420 WTQ it is the STOCK roads limit.
Behave yourself!
Or you will need another engine!
yeah i kinda of figured... i want to throw on the 650 pulley and see how she does but i am afraid of what will happen.

if i upgrade rods and pistons to stronger ones but keep stock specs (stock compression?) will it hold the power better? or is it the block that will give up?
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      02-03-2018, 06:04 PM   #8
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Quote:
Originally Posted by JohnEastvold View Post
yeah i kinda of figured... i want to throw on the 650 pulley and see how she does but i am afraid of what will happen.

if i upgrade rods and pistons to stronger ones but keep stock specs (stock compression?) will it hold the power better? or is it the block that will give up?
Rods, pistons, crank. Blueprint motor on installation
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      02-03-2018, 06:32 PM   #9
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Quote:
Originally Posted by 8k4 View Post
Rods, pistons, crank. Blueprint motor on installation
yikes..
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      02-03-2018, 08:37 PM   #10
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Really rolling the dice on vf injectors and stock fuel pump.
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      02-03-2018, 11:18 PM   #11
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Quote:
Originally Posted by Patrón View Post
Really rolling the dice on vf injectors and stock fuel pump.
Thats what it seems... did a few 180+ runs in Mexico tonight and all went well. No hesitation or anything. Nearly maxed out the tach. Its taken 2/3 months of this kinda abuse so ima throw more at it.

Will be bypassing the 650 pulley and going straight to the 10psi pulley and belt. Should be here in a few weeks. Will let you know of the dyno results and shop bill when i blow a rod. (Lol jk i hope that doesnt happen).
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      02-04-2018, 06:37 AM   #12
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A long pull like that with probably the max possible fueling needs is a good test.
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      02-04-2018, 07:53 AM   #13
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Quote:
Originally Posted by pbonsalb View Post
A long pull like that with probably the max possible fueling needs is a good test.
Usually every weekend it get that test lol. My issue now is tire. Mine are bald and i spin. At high speeds w traction off switching gears she gets a little squirly
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      02-04-2018, 07:55 PM   #14
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      02-04-2018, 10:56 PM   #15
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This is a rough video i posted of my 60-130. Started in 3rd gear since i would just spin in 2nd. I estimate a mid to high 7 sec when i slow the video down in edit mode. The full pull was from 60-140 ish (top of 4th) . need to vbox it to verify. Also was a tad rainy outside. (See the windshield)
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      02-05-2018, 06:58 AM   #16
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Quote:
Originally Posted by JohnEastvold View Post



This is a rough video i posted of my 60-130. Started in 3rd gear since i would just spin in 2nd. I estimate a mid to high 7 sec when i slow the video down in edit mode. The full pull was from 60-140 ish (top of 4th) . need to vbox it to verify. Also was a tad rainy outside. (See the windshield)
You're really making me want to order a supercharger now
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      02-05-2018, 09:05 AM   #17
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Originally Posted by maristgrad09 View Post
You're really making me want to order a supercharger now
Do it, so worth it
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      02-05-2018, 03:32 PM   #18
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Quote:
Originally Posted by JsL View Post
I have been very tempted to slap a flex fuel kit on my vf620 too. Thanks for posting your experiences.
you'll love it. sparcus and my car are now pretty beastly on e85. we can give you a ride at the next meet

Quote:
Originally Posted by JohnEastvold View Post


This is a rough video i posted of my 60-130. Started in 3rd gear since i would just spin in 2nd. I estimate a mid to high 7 sec when i slow the video down in edit mode. The full pull was from 60-140 ish (top of 4th) . need to vbox it to verify. Also was a tad rainy outside. (See the windshield)
very nice! can't wait to see what more boost does to your beast. what tires are you currently running?

Quote:
Originally Posted by maristgrad09 View Post
You're really making me want to order a supercharger now
best mod you'll ever do!!
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      02-05-2018, 04:16 PM   #19
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Quote:
Originally Posted by azndrunk74 View Post
you'll love it. sparcus and my car are now pretty beastly on e85. we can give you a ride at the next meet



very nice! can't wait to see what more boost does to your beast. what tires are you currently running?



best mod you'll ever do!!
well currently mine are bald tires... so i just spin. but i will be getting R888 on soon
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      02-05-2018, 07:01 PM   #20
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Quote:
Originally Posted by JohnEastvold View Post
Hey guys, i figured id make a post about my experience with this car. It started stock exactly two years ago today (Bought it feb 2nd 2016).

Its a 2008 BMW M3 coupe. 6 speed. (original clutch still )At 65k had BE BEARINGS dont with ARP bolts (pic 1). At roughly 70k i had gotten a Gintani E85 tune (burble) along with Advanced Fuel Dynamics PROFLEX Commander installed (pic 2 of the install). Ran Great. Also threw on test pipes, under drive pulley but for some reason decided to keep it with the stock 2008 OEM intake and filter (legit too lazy to buy a new filter) and she threw down 384 on a dynojet. (pic 3 of baseline and fbo on e85)

at 78k miles i decided i wanted more power so i went and bought a vf620 supercharger kit and got a BPM tune (pic 4). installed it, ran great... but i had forgotten to swap out spark plugs so within 3 days it started to blow spark out and dip down on power(pic 5 and 6). I waited roughly 2/3 months before finally getting new plugs (went with NGK Laser Iridium 95770 at a .22 gap pic 7). Was recommended to me by the shop i go to and works great (except on really cold days it struggles to start when filled with E85 but that was anticipated)

Now she has new plugs (at 85k) and currently running great (so i think). Got it dynoed yeserday at a local dynojet (will be going back to my normal dynojet ive used next week) and she put down some good numbers. Their AFR reader was reading all wack, might be my car, might be their reader, i dont know for sure(pic 8 showing ARF up to 18). So my way to illuminate the confusion will be to go to my old dyno and retry there since i know they have been consistent so far. I did dyno my car at my normal dynojet when i supercharged it to try and pinpoint where my power loss was coming from(pic 5 again). It was dynoed on E85 and had no boost leak (ran 7.25 psi) and good AFR (12.05 at WOT till redline). I was under the impression that even with blown out spark plugs it was still getting the needed amount of fuel so that is why even with yesterdays dyno AFR i wasnt too worried.

Yesterday i got a little impatient so i went to a different dynojet than i normally go to. He was a great dude, building some powerful machines there. Just seemed my car's AFR weren't reading correct and when it did read good i thought it had an odd outcome. (pics 8-10)

will post more as i do more.

i drive it everyday. Spirited runs every weekend. Never skips a beat. Im sure there are thing i should monitor more closely (being AFR) but it hasnt had any issues so I will let her be for now...

I will be throwing on the vf650 Pulley and im assuming i will need a new belt and tune? (any info would help).

As of yesterdays dyno on E85 she put down:
STD smoothing 5 - 584whp and 420tq
STD smoothing 0 - 617whp and 434tq
SAE smoothing 5 - 570whp and 410tq (dont have the sheet for it)


When i go with the 650 pulley i am hoping for over 650+whp and 450+wtq on e85.
Awesome job your killing it with the 600+ WHP on E85
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      02-05-2018, 07:03 PM   #21
JohnEastvold
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Originally Posted by SHADY1 View Post
Awesome job your killing it with the 600+ WHP on E85
thank you
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      02-09-2018, 07:02 PM   #22
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I have been trying for the past few days to get a shop/someone to swap on my 650 pulley while i wait to get the 10psi pulley and belt on... no one wants to mess with it since the blower needs to be disconnected from the bracket(VF engineering has the bracket in the way.) the ones that do want to do it want a ridiculous amount to do it... i was going to upgrade the pulleys in stages and dyno to make sure the car holds the added boost with e85, but if i have to pay a lot for pulley swaps i will just be waiting for the 10psi to come in and run that.
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