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Makes sense since the roots/screw chargers are so much low end torque early in the curve. I had a manual F1A setup and I hated launching that setup. With an auto - I have to believe it is easier - but I did notice that the 60' PC runs versus Whipple are a good solid tenth apart - which tells me...

Thanks for the info! I would guess my stock 3.55 would do well with the PC - I have gotten the 3.15 for the Whipple setup. I have all of the BMR race and viking suspension, axles, driveshaft and fuel setup along with the bigger Circle D 258mm and Mcloud clutches. Oil pump and harmonic upgrade...

That is a great ET and solid MPH! Out of interest as a previous GTR owner - what is the clutch setup and how many more frictions can they stick in there lol? As the car is hitting 1500+ whp - I am astounded that the trans can hold that. Keep it up - I am subscribed!

That is really impressive for such a simple build. I had a C7Z with an F1A PC and it was a great setup...I have decided on a Gen V Whipple looking for low 9's high 8's - but seeing your success is giving me a tiny bit of pause. You are straight E85 now - I'm not sure if I saw your fuel mods...

And I will post it on my build thread once it begins.

I agree with you that ethanol makes people not even look at pump gas. On the note of pump - even though I have ready access to it - we don't have pumps at our stations here for E85 - so it's more of a headache. I don't think I will go as high as 15 psi on pump - but I am hoping for 12-13 safely...

Thanks TX-R - that is what I have been seeing. 10.2's at 138+. That's enough. I have no issue running E all the time - but its nice to know that it will still have something for a test and tune day. I am fortunate to say that Lund is the Tuner for my car.

Thanks TX-R - do you know of the highest boost/pulley setup on pump - no additive - being used these days on the Gen V builds - and what they have run?

Understood. The reason I am using 10 psi is because that seems to be the limit before people start to add booster to their fuel. That said - some of the people stuck t 10 psi don't have a chiller or bogger fuel systems - so I am wondering whether with the chiller and fuel system 12 psi is...

Thank-you TX-R - as a Tuner yourself, is real life that if I want to drive around straight 94 octane (Canadian fuel is 10% ethanol) - that I will likely be stuck at low 10's at 138.5ish MPH? Being honest - that is fine - I just want to know if anything above 10 psi is possible (or a good idea)...

I am interested to know why you are asking. Is it because you are new to modding and worried about fuel economy?

Thank-you for your feedback, I have followed a bunch of your builds and I am familiar with you as well during my time with my F1A C7Z. Wheel tire will be a simple Weld 17" rear setup on ET street R's and skinnies in the front. I hear you about the PNR chiller - but I have some experience here...

First, I tip my hat to you for doing your own tuning...I see the engineer in your profile name - so I guess you have some experience there. It is not something I will do myself personally - and with Lund having such success and R&D already completed - I am good to feed off of that. That said -...

Thank-you Mike - this is good info. What power are you making at 10 psi and what are you running (MPH) on 10 psi?

These are great results! Are you on pump gas or ethanol? And to your point - on average - Mustang dyno's read slightly lower than Dynojet. Of course, the key with any dyno is always the before and after (baseline to mods) - as I know dyno's can be configured to anything - but these are solid...

This will be a useful discussion - just to answer these questions...have people on "pump" been using octane booster or a race fuel mix to avoid knock above 11 psi? Can the setups take true pump gas 93 (or for me 94 as that is what is local) - without constant worry? I both want to see what is...

Much appreciated - but I already have the 3.15's.

Were these the pulls when he was on crappy 93? I remember a thread where he was told to get a better fuel (he was at a no name station) and he was good after that. This shows though that you have to be very careful with pump gas as you are hovering by a string with lower octane in terms of...

That makes sense - and is actually a pretty good run at that psi and power level. I am hearing 12-13 psi is the limits people are going with pump gas tunes - I don't know if that is the upper limit - or just what people have found to be the "safe" limit. I hear 12 more than 13 - and some people...

Thank-you for your reply...I have seen pump gas runs wing between mid 130's and 140 MPH with ET from anywhere between mid 10's to 10.0's. I asked HRSEPLA what he was able to do with his pump runs as he did a few (I think 10.2's at 138.5 MPH) and then went straight to E85. I have no issue with...