[Scott65]

That's bada$$!

[ScottP]

I had a chance to go out for a test drive this past weekend, and could not be
more pleased with the results. I still need to get the tune dialed in, and had
things setup intentionally on the rich/conservative side, but did get on the
throttle a bit. It pulled nicely - gave it 80% throttle and ran it up to 4400RPM.
Indicated boost was 7PSI and rising. AFRs were in the mid 11's, and injector
duty cycle was passing 85%, which is no surprise since I still have my 42#/hr
units installed.

Next order of business is to order up a set of suitable sized injectors. I'm leaning
towards 80#/hr just to have plenty of margin. I like the ones sold by Ford
Performance parts as they have full datasheets available, making them
especially easy to calibrate.

New in-tank fuel pump is also on the way - I settled on the TI Automotive
F90000285, which ought to be plenty for my goals.

More work to do, but very happy with the direction things are headed.

[Tom Vaught]

Originally Posted by ScottP

New in-tank fuel pump is also on the way - I settled on the TI Automotive F90000285, which ought to be plenty for my goals.

More work to do, but very happy with the direction things are headed.

The TI Automotive F90000285 in-tank fuel pump is an excellent fuel pump.

Tom V.

[R 70 Judge]

Super cool build! The V7 YSI is a fantastic supercharger. We ran one blow-thru on my friends Buick 455 for years.

[ScottP]

Another few weekends pass, and more progress to report. I was able to swap
in the 80#/hr injectors, and they calibrated perfectly. For those interested in
saving a few $$$, you can buy Siemens/Deka 80# injectors directly and still
use the LU80 injector data.

With the larger injectors installed, I've run the motor up to 5000 RPM and am
making 10+PSI. Everything about this combination feels great - AFRs are still
in the low 11's (more fine tuning to do), and over all streetabilty is fantastic.

I'll drop the tank this weekend and swap in the new TI Automotive pump. Its
going to be rainy here all weekend, so might as well make the best of it.

Once that's complete, I'll get a few full-throttle pulls done next week and see
where things land for peak boost. Plan is to set my shift points to ~5800RPM
and see how the airflow and IATs look in the datalogs. This is one of those
times when I wish I lived out in the middle of nowhere - its a bunch harder to
find safe places to do this in the outskirts of Boston.<g>

This all of course has me thinking, how much boost is safe for this
combination? I'm wondering what others are running on their street cars
on pump 93 octane?

-Scott

[Tom Vaught]

We ran our "Mule" (at work) 4.6L 4 Valve engine at work with the #82-83 Bosch injectors
and the V7-YSI Vortech Supercharger for years (and made 820 engine HP).

I advised them on the EFI fuel system and fuel pump.

730 rear wheel HP on an accurate dyno.

Tom V.

[ScottP]

I was able to get the new fuel pump and new Holley Hydramat installed this
weekend and go out for a quick ride to assess the results. The very first thing
I noticed is how QUIET this new fuel pump is. Its not like the Walbro 255LPH
unit I removed was noisy by any means, but the new pump is barely audible.
I like to think that speaks to its build quality.

To make the install in the stock tank a bit easier, I ended up taking my old
TanksInc 5-hole fuel level sender, and retrofit it into my stock tank in the flat
area just forward of the stock sender opening. By doing this, I removed the
burden of having to fit both a sender as well as the pump into the stock
opening. This made the rest of the install a breeze.

I did a few full throttle pulls (no laptop, just the wideband in the dash), and the
AFRs are in the low 11's to high 10's near redline, so I have a bit of cleanup to do
in the VE tables. The good news is that the fuel system had no trouble
keeping up, so I'm going to call this update a success.

-Scott

[ScottP]

I've been having lots of fun dialing in and just driving this new combination.
Unfortunately, I'm noticing that my used/self built 4L80E is showing signs of
struggling a bit with the new found torque. I'm seeing indications of slippage
on the 2-3 shift at full throttle. It started happening as I really got the AFRs
dialed in at the upper RPMs, which tells me I'm making more torque than this
trans can handle. I can't really complain, I installed it 6+ years ago, and its
been perfect during that entire time.

So, I've made the call to Jake's and am in line for a new 4L80E. I've elected to
add the optional BOP bellhousing just so I can eliminate my Chevy to BOP
bellhousing adapter and flexplate to converter spacers. I'll end up rebuilding/
freshening the unit I pull out for another project. A buddy of mine has a 65
Riviera where I think my old 4L80E would be perfect.

So, for at least the next 12-14 weeks, I'll keep my foot a bit out of the throttle
and just cruise. I'm sure I'll have another update once I swap in the new
Jake's transmission.

-Scott