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Forum: THE LOBBY 04-22-2024, 04:50 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Agreed. In Post 103 above we showed a best...

Agreed.

In Post 103 above we showed a best of 657 HP (first graph) on the 4X heads with the pulley slipping. I'm confident that had we not had the pulley slip we would have touched 700 due to...
Forum: THE LOBBY 04-22-2024, 04:04 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Thanks for your feedback, and I agree. The...

Thanks for your feedback, and I agree.

The baseline run N/A with a carb made 419 HP, so the supercharger made +50% more power- with a disproportionate increase in torque. Not many 600 HP engines...
Forum: THE LOBBY 04-21-2024, 05:18 PM
Replies: 115
Views: 13,058
Posted By darbikrash
I've had a chance to dig into some of the Holley...

I've had a chance to dig into some of the Holley EFI datalogs from the dyno session earlier this week, and though I'd post up some of the plots.

This shows engine vacuum at idle converted to...
Forum: THE LOBBY 04-18-2024, 07:40 PM
Replies: 115
Views: 13,058
Posted By darbikrash
So it was back to the dyno last Tuesday for round...

So it was back to the dyno last Tuesday for round 3 of the blower wars. This time I think we got a decent outcome and I am very happy with the results.

There were several differences and upgrades...
Forum: THE LOBBY 03-29-2024, 07:35 PM
Replies: 115
Views: 13,058
Posted By darbikrash
It’s a Bosch brushless electric water pump, flows...

It’s a Bosch brushless electric water pump, flows 6 Gpm.
Forum: THE LOBBY 03-29-2024, 11:12 AM
Replies: 115
Views: 13,058
Posted By darbikrash
You're exactly right, the idle bypass is open...

You're exactly right, the idle bypass is open anytime there is vacuum greater than 10" /hg. I have the vacuum modulator calibrated where it starts opening around 8.5"-9", and is fully open at 10"....
Forum: THE LOBBY 03-28-2024, 05:32 PM
Replies: 115
Views: 13,058
Posted By darbikrash
So a new dyno session has been scheduled and I...

So a new dyno session has been scheduled and I have made quite a few upgrades, and have some new things to test. For this next go around I am bringing two complete blower setups, the first as before,...
Forum: THE LOBBY 03-28-2024, 05:08 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Yes, plenty of news, most of it good. I've been...

Yes, plenty of news, most of it good. I've been pretty busy with all this so here are a few updates.

I went back to the dyno after the failed Evolution lifters, I swapped out the lifters with...
Forum: THE LOBBY 03-17-2024, 10:30 AM
Replies: 115
Views: 13,058
Posted By darbikrash
200# on the seat, 420# open.

200# on the seat, 420# open.
Forum: THE LOBBY 02-21-2024, 06:40 PM
Replies: 115
Views: 13,058
Posted By darbikrash
After all the testing is done, I'll likely put it...

After all the testing is done, I'll likely put it in my '65 GTO.
Forum: THE LOBBY 02-20-2024, 07:21 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Dyno session was yesterday, at least part of it....

Dyno session was yesterday, at least part of it. Brought everything to Westech and had the N/A motor up on the dyno and ready to fire within about 90 minutes. As this is a brand new engine, the plan...
Forum: THE LOBBY 02-06-2024, 01:57 AM
Replies: 115
Views: 13,058
Posted By darbikrash
LoL. It’s like chicken pox. I think it’s...

LoL. It’s like chicken pox. I think it’s contagious as the other valve cover got them too.
Forum: THE LOBBY 02-05-2024, 06:23 PM
Replies: 115
Views: 13,058
Posted By darbikrash
I thought of that too. Maybe I'll reach out to...

I thought of that too. Maybe I'll reach out to him and see if he has an interest.
Forum: THE LOBBY 02-05-2024, 04:48 PM
Replies: 115
Views: 13,058
Posted By darbikrash
For sure, I'll be doing some video at the very...

For sure, I'll be doing some video at the very least.
Forum: THE LOBBY 02-04-2024, 05:49 PM
Replies: 115
Views: 13,058
Posted By darbikrash
I think I'm almost ready for the dyno session...

I think I'm almost ready for the dyno session coming in a couple of weeks.

The plan is to break-in the engine N/A, then switch over to the forced induction pulls. To accomplish this, I took a...
Forum: THE LOBBY 01-20-2024, 09:35 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Getting ready for the dyno session next month at...

Getting ready for the dyno session next month at Westech. Today I pressure checked the fuel rails and wired up the injector harnesses. Packages pretty nice under the blower. The setup on the right is...
Forum: THE LOBBY 01-16-2024, 12:18 PM
Replies: 115
Views: 13,058
Posted By darbikrash
The plan is to offer kits in modules as some...

The plan is to offer kits in modules as some people already have injectors, and potentially other components.

The main kit will contain the supercharger, intercooler, manifold/risers, and water...
Forum: THE LOBBY 01-16-2024, 12:09 PM
Replies: 115
Views: 13,058
Posted By darbikrash
The motor pictured elsewhere in this thread is...

The motor pictured elsewhere in this thread is going into my '65 GTO after the dyno pulls. I was able to measure all the clearances as my '65 has the same electric water pump and twin Spal electric...
Forum: THE LOBBY 01-15-2024, 12:30 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Not sure. The 8 rib pulley stands off from the...

Not sure. The 8 rib pulley stands off from the ATI balancer about 3/4", the space between balancer and the block might accomodate, hard to know without having the trigger wheel.

How are you...
Forum: THE LOBBY 01-15-2024, 12:09 PM
Replies: 115
Views: 13,058
Posted By darbikrash
I've seen engine dyno pulls using the TVS 2650...

I've seen engine dyno pulls using the TVS 2650 that put out over 1000 crank HP using E85, one in particular was on a 366 CID SBF.

No problem on the high impedance injectors, the below the blower,...
Forum: THE LOBBY 01-08-2024, 07:02 PM
Replies: 115
Views: 13,058
Posted By darbikrash
I am creating an interest list, if anyone thinks...

I am creating an interest list, if anyone thinks they may want one, please send me a PM with your contact info and I will keep you posted on progress.

I am scheduled for two days of engine dyno...
Forum: THE LOBBY 01-04-2024, 01:47 AM
Replies: 115
Views: 13,058
Posted By darbikrash
Centrifugals are a good option as well. They do...

Centrifugals are a good option as well. They do have very different boost characteristics as compared to twin screw blowers. Typically, centrifugals make their boost at a much higher RPM, with little...
Forum: THE LOBBY 12-30-2023, 06:15 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Not easily, no. These types of twin screw...

Not easily, no. These types of twin screw superchargers take the air in through the ends, in this case the front, and move the air axially (lengthwise) down the length of the rotors and discharges...
Forum: THE LOBBY 12-30-2023, 05:59 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Thanks for your kind words.

Thanks for your kind words.
Forum: THE LOBBY 12-28-2023, 09:20 PM
Replies: 115
Views: 13,058
Posted By darbikrash
Yes, any full sequential port injection ECU will...

Yes, any full sequential port injection ECU will work, including the Edelbrock Pro-Flo 4. The Pro-Flo 4 distributor will work as well. The injectors in the units that are currently built are hidden...
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