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Except there are multiple people in this thread and many many more elsewhere who say restricting the vacuum to the bypass greatly improves drivability. As far as effecting performance, I don't see it, I still go into boost at about the same rpm and throttle position, it is just not as violent...

Nitrous jet to put in the bypass vacuum line to make the transition from vacuum to boost not so violent. The .050 jet that I tried didn't make a difference though. But I notice a night and day difference with the .015 jet.

Yep. I thought it was really small too. But initially I tried a .050 jet and didn't notice a difference. I read somewhere I think the edelbrock kits came with the .015 jet in the kit. That's where I got the idea.

On my 15, with a gen 2 stage 2 whipple I am making 820whp on E85 with a 3.625 pulley. I would think on the gen 5 blower, a 3.75 would be more than enough to get you to 800whp on E85

As good as you think the Whipple tune is for drivability is, Lund will make it SO much better. Whipple does a lot of weird things to the shifts to "save the transmission". It was a night and day difference going from the canned tune to Lund. Also if you are finding the pedal too sensitive, or...

Option 3, always. I went through it on my car. Bought the Whipple stage 1 with Whipple tune thinking it would be enough, it wasn't. Upgraded to stage 2 with the Whipple tune, still wanted more. Got bigger injectors a BAP and a custom tune. That held me for a while, but I am now doing a full fuel...

I could see maybe if you could take full advantage of the 3.8. but gen 4 2.9 vs gen 5 3.0 I'm not so sure the extra money and effort would be worth it. Unless you are going for a max effort type build I can't imagine the gen 5 makes more than 50-60hp over the gen 4. I could be wrong I guess I dunno.

Also don't be too hard on the mechanic. It is literally their job to find things to fix to make the dealership money, especially when it is warranty work that does not pay well. Yes the cabin filter was a fumble. But look at it from his perspective, why bother opening up the glove box and...

You may have caught them on the cabin filter, but the induction service is more of a preventative maintenance. Especially if you see a lot of idle time, or short trips. If you wait until you see an issue to do the service it may be too late and likely has been causing small, unnoticed issues for...

Is there that big of an advantage over just going to a gen 4 and keeping everything you already have?

Is it me, or is the ESS kit just a vortec or paxton type head unit with the procharger mounting location? I remember a time when everyone complained that prochargers were breaking cranks due to the added stress from the head unit being mounted so far away. Now that his company comes around...

You should get a tune included from VMP with the blower purchase. May as well give them a chance and work with them before dishing out more money unnecessarily.

305/45/17 was supposed to be available in June, in September I can't find any in stock anywhere.

Yes with a voltage booster.

Yes stage 2 gen 2. 3.625 pulley, stock manifolds and cats. It took maybe 3 revisions, but at least 1 of those were for small preference type driving adjustments.

Good tuner from what I hear. An aftermarket tune really woke my car up and made it fun to drive again. The whipple tune drove nice, but the shifts and added power from a different tune are night and day.

Are there really no return style fuel systems that use a bucket? Didn't the system that DeatschWerks offered a few months ago use a bucket? I have been eyeing a return system but the nearest E85 is 25-30 minutes away. So keeping it above 1/2 tank would likely consist of driving it one time...

Best so far of a 10.51 136. There is more in it, that was with a 1.7 60ft. and 3.15 gears 11.1 @130 on the whipple tune. and 3.55 gears. But it was falling on its face on the 2-3 and 3-4 shifts. data logged, sent to whipple, they said it was working as intended to save the transmission.

The new Roush blowers are garbage, you are correct. The new Roush is not the same as the old VMP. VMP went with a different design for their 18+ blowers with a much better intercooler. The 11-17 Roush and VMP blowers are similar, not the 18+. You cant use the lower from an 18+ kit with the...

I have the same setup as you OP, and I picked up 4-5 mph in the 1/4 going from Whipple's tune to a PBD tune. The Whipple tune had a TON of torque reduction on shifts and it was falling on its face on the 2-3 and 3-4 shifts.