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Search: Posts Made By: JSH
Forum: Tuning / Diagnostics Today, 08:50 AM
Replies: 24
Views: 1,643
Posted By JSH
All the tunes in my many cars have changed from...

All the tunes in my many cars have changed from the dyno to the road to the strip, and it now keeps changing at the strip, and it would certainly change if I raced off the mountain.
Forum: ZL1 Discussions Yesterday, 02:03 PM
Replies: 99
Views: 4,297
Posted By JSH
Mine has behaved nicely. We added 5 degrees of...

Mine has behaved nicely. We added 5 degrees of advance on my final run last week and it picked up .12. Heat has not yet become an issue [other than the absence of it last night at 28F!].
Forum: ZL1 Discussions Yesterday, 01:57 PM
Replies: 99
Views: 4,297
Posted By JSH
Yes, when air is compressed, pressure and...

Yes, when air is compressed, pressure and temperature increases.

Tim, all of this is related to your actual and corrected hp. We're not stepping on your thread :eyebulge:
Forum: Tuning / Diagnostics Yesterday, 11:22 AM
Replies: 3
Views: 140
Posted By JSH
Have you tuned the 2020+ A10 using the T87a TCM...

Have you tuned the 2020+ A10 using the T87a TCM from HHP?
Forum: ZL1 Discussions Yesterday, 10:05 AM
Replies: 99
Views: 4,297
Posted By JSH
Yea. I believe boost would increase by the air...

Yea. I believe boost would increase by the air pressure (psia) difference between here (11.9) and sea level (14.7) or ~2.8psia, which equates to that 20% we keep referring to here.
Forum: Tuning / Diagnostics Yesterday, 08:36 AM
Replies: 3
Views: 140
Posted By JSH
Steve How much experience do you have tuning...

Steve
How much experience do you have tuning the Gen 6 ECM/TCM? Do you have customers/cars/results you can refer us to? Thanks in Advance.
Forum: ZL1 Discussions Yesterday, 08:19 AM
Replies: 99
Views: 4,297
Posted By JSH
On the one hand, I agree that SAE's CF formula...

On the one hand, I agree that SAE's CF formula J1349 is intended for conditions wherein there's less difference between the formula's base pressure condition and actual conditions (900 to 1050 mb...
Forum: ZL1 Discussions 05-20-2022, 08:13 PM
Replies: 99
Views: 4,297
Posted By JSH
To bring an earlier thread topic to closure,...

To bring an earlier thread topic to closure, using SAE's formula, I got 23.64% CF on that dyno day here:

CF=1.18 x (29.22/Bdo) x (√To + 460 / 537) – 0.18
1.18 x (29.22/24.02) x (√90+460 / 537) –...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 05-20-2022, 03:40 PM
Replies: 9
Views: 271
Posted By JSH
A common mistake. All the construction performed...

A common mistake. All the construction performed in the world is based on; first you do the work, then you get paid. Customers like us can always buy the parts and hold them until the shop is ready.
Forum: 2016+ Camaro: 6th Gen Camaro general forum 05-20-2022, 02:43 PM
Replies: 9
Views: 271
Posted By JSH
I don't know, but I do know there's a bunch of...

I don't know, but I do know there's a bunch of fast cars that race at the Dallas NHRA track, so there must be a lot of car/engine builders in the area.
Forum: Forced Induction Discussions 05-20-2022, 02:24 PM
Replies: 261
Views: 58,495
Posted By JSH
Yes, I was referring to Eaton's TVS rotors. ...

Yes, I was referring to Eaton's TVS rotors.

BTW, which cars came stock with the TVS 2650 blower other than COPO?
Forum: ZL1 Discussions 05-20-2022, 08:27 AM
Replies: 99
Views: 4,297
Posted By JSH
A lid that doesn't absorb or conduct heat like...

A lid that doesn't absorb or conduct heat like natural insulators would be great, theoretically.
Forum: Forced Induction Discussions 05-20-2022, 08:20 AM
Replies: 261
Views: 58,495
Posted By JSH
Obviously, I was referring to Kong's current...

Obviously, I was referring to Kong's current version of Eaton's TVS R2650. You're certainly right in that most people, myself included, are just looking to go faster and have fun.
Forum: Forced Induction Discussions 05-19-2022, 09:02 PM
Replies: 261
Views: 58,495
Posted By JSH
I concluded that Eaton's LT4 TVS R2650 was the...

I concluded that Eaton's LT4 TVS R2650 was the best, or as good as any.
Forum: ZL1 Discussions 05-19-2022, 08:55 PM
Replies: 99
Views: 4,297
Posted By JSH
Here's the current SAE CF formula. All you need...

Here's the current SAE CF formula. All you need is pressure in mb and ambient temp C. The main point is, the formula is in Dyno Jet's computer.
Forum: ZL1 Discussions 05-19-2022, 06:32 PM
Replies: 99
Views: 4,297
Posted By JSH
HPE makes 150 wheel on 93 octane on a Dyno Jet...

HPE makes 150 wheel on 93 octane on a Dyno Jet just with valve train, heads, headers, 10% lower, CAI, and virgin SC / TB. Obviously, I think that's pretty damn good. However, one of the downsides is...
Forum: ZL1 Discussions 05-19-2022, 02:45 PM
Replies: 99
Views: 4,297
Posted By JSH
It's objectionable to many, but I've always...

It's objectionable to many, but I've always believed that the valve train should be your first mod
Forum: ZL1 Discussions 05-19-2022, 12:11 PM
Replies: 18
Views: 647
Posted By JSH
What was your goal with this work? Is it a DD or...

What was your goal with this work? Is it a DD or road race or drag car or what?
Forum: ZL1 Discussions 05-19-2022, 11:30 AM
Replies: 99
Views: 4,297
Posted By JSH
Do your dyno charts show the CF? I know you can...

Do your dyno charts show the CF? I know you can see it on Dyno Jet's PowerCore or WinPEP config or calibration.

Here's the built-in formula (although this one has been updated to 2011, I believe):...
Forum: ZL1 Discussions 05-19-2022, 11:24 AM
Replies: 99
Views: 4,297
Posted By JSH
LPE BB $1875+ XDI +30 $2500+

LPE BB $1875+
XDI +30 $2500+
Forum: USA - Rockies / Midwest 05-19-2022, 11:21 AM
Replies: 0
Views: 139
Posted By JSH
Kong LT4 X For sale!

I'll remove it in two or three weeks when my 2650 is delivered.

$1000 LT4 supercharger, used
$1750 X-port

$2750, OBO
Forum: ZL1 Discussions 05-19-2022, 10:07 AM
Replies: 99
Views: 4,297
Posted By JSH
Ask him what SAE correction factor his dyno is...

Ask him what SAE correction factor his dyno is using today.
Forum: Forced Induction Discussions 05-19-2022, 08:52 AM
Replies: 261
Views: 58,495
Posted By JSH
When in doubt, measure it (which I haven't) :bonk:

When in doubt, measure it (which I haven't) :bonk:
Forum: ZL1 Discussions 05-19-2022, 07:50 AM
Replies: 99
Views: 4,297
Posted By JSH
Stock motor, stock heads, stock cam, stock...

Stock motor, stock heads, stock cam, stock pulleys - there's an additional ~150 hp waiting to be tapped :laughabove:
Forum: Dragstrip and Launching Discussion 05-18-2022, 07:48 PM
Replies: 30
Views: 949
Posted By JSH
Mine weighed 3735 last Friday.

Mine weighed 3735 last Friday.
Forum: ZL1 Discussions 05-18-2022, 12:49 PM
Replies: 113
Views: 4,028
Posted By JSH
Who did you buy your tank/system from?

Who did you buy your tank/system from?
Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons 05-18-2022, 08:37 AM
Replies: 9
Views: 312
Posted By JSH
What is the fuel lobe on each of these? How did...

What is the fuel lobe on each of these? How did you select them?
Forum: Tuning / Diagnostics 05-18-2022, 08:24 AM
Replies: 5
Views: 205
Posted By JSH
Your dealer, perhaps any dealer, can flash the...

Your dealer, perhaps any dealer, can flash the OEM tune that came in the ECM
Forum: ZL1 Discussions 05-18-2022, 08:12 AM
Replies: 3
Views: 384
Posted By JSH
No, but your dealer should be able to

No, but your dealer should be able to
Forum: ZL1 Discussions 05-17-2022, 05:28 PM
Replies: 38
Views: 1,155
Posted By JSH
In summary, psia at 7000 ft elevation is 11.35,...

In summary, psia at 7000 ft elevation is 11.35, so:

11.35/14.7 = 77% of sea level atmospheric pressure in the intake manifold, or a 23% loss of power, even more than in Denver
Showing results 1 to 30 of 500

 
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