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Search took 0.07 seconds. Search: Posts Made By: JSH
Forum: ZL1 Discussions 01-01-2026, 11:59 AM
Replies: 20
Views: 1,209
Posted By JSH
I put the suitcase back on it. The straight pipes...

I put the suitcase back on it. The straight pipes off the headers were 3" versus the 2.75" inlets on the suitcase, so we cut those out and welded on 3" inlet pieces. The pitch of the exhaust sound...
Forum: ZL1 Discussions 01-01-2026, 11:54 AM
Replies: 1
Views: 124
Posted By JSH
New cam? What do you think?

LME has compared my results to those of another customer's proven results, and has suggested this cam change.

He has a 2019 ZR1 Corvette, ported 2650 supercharger, around 11:1 CR, our CID LT...
Forum: ZL1 Discussions 12-31-2025, 11:50 AM
Replies: 21
Views: 774
Posted By JSH
You mentioned max I/E overlap with stock...

You mentioned max I/E overlap with stock converters in one of my threads. When I told LME that I only picked up 15 hp with the CID heads but also picked up 50# of torque, they said, "Your cam isn't...
Forum: ZL1 Discussions 12-15-2025, 11:44 AM
Replies: 19
Views: 754
Posted By JSH
Could anyone explain the Kooks' price to me?

Could anyone explain the Kooks' price to me?
Forum: ZL1 Discussions 12-15-2025, 11:40 AM
Replies: 19
Views: 754
Posted By JSH
Mine has Kooks LT and their green Gen 1 cats now....

Mine has Kooks LT and their green Gen 1 cats now. Are these a direct replacement in terms of their size for my Gen 1s?
Forum: ZL1 Discussions 12-15-2025, 11:26 AM
Replies: 19
Views: 754
Posted By JSH
I've concluded this year that I wasn't getting...

I've concluded this year that I wasn't getting enough seat time to justify my track-only setup, so I'm putting the suitcase back on it, along with some cats and a larger upper pulley.
Forum: ZL1 Discussions 12-14-2025, 08:12 PM
Replies: 19
Views: 754
Posted By JSH
Josh, are you running them?

Josh, are you running them?
Forum: ZL1 Discussions 12-13-2025, 12:56 PM
Replies: 19
Views: 754
Posted By JSH
The internals of my green cats ended up in my...

The internals of my green cats ended up in my axle back mufflers.
Forum: ZL1 Discussions 12-13-2025, 12:14 PM
Replies: 19
Views: 754
Posted By JSH
The internals of my green cats ended up in my...

The internals of my green cats ended up in my axle back mufflers.
Forum: ZL1 Discussions 12-13-2025, 09:39 AM
Replies: 19
Views: 754
Posted By JSH
1000+ hp catalytic converters?

Are these the ones I want?
Forum: ZL1 Discussions 12-08-2025, 06:57 PM
Replies: 20
Views: 1,209
Posted By JSH
Which cutouts have you heard good things about? I...

Which cutouts have you heard good things about? I got some very negative comments about Granatelli, so i'm unwilling to do those
Forum: ZL1 Discussions 12-08-2025, 12:11 PM
Replies: 110
Views: 19,294
Posted By JSH
Yes, MM Race and Wild CC systems vent to atmos....

Yes, MM Race and Wild CC systems vent to atmos. Somehow I think you knew that :eyebulge:
Forum: ZL1 Discussions 12-07-2025, 12:29 PM
Replies: 20
Views: 1,209
Posted By JSH
Did you buy slip-on or weld-in?

Did you buy slip-on or weld-in?
Forum: ZL1 Discussions 12-07-2025, 12:28 PM
Replies: 110
Views: 19,294
Posted By JSH
I installed this bracket back in the summer, and...

I installed this bracket back in the summer, and of course, I don't believe there's way to measure its impact on engine compartment heat. But, it can be a bit disconcerting when you're parked at the...
Forum: ZL1 Discussions 12-03-2025, 03:38 PM
Replies: 20
Views: 1,209
Posted By JSH
Or this AWE?

Or this AWE?
Forum: ZL1 Discussions 12-03-2025, 12:28 PM
Replies: 20
Views: 1,209
Posted By JSH
I need to order a new axle-back. The question is...

I need to order a new axle-back. The question is which one?

I want stainless or polished quad tips versus the black ones my current axle-back has and I need a bigger muffler than my current kooks...
Forum: ZL1 Discussions 11-28-2025, 12:49 PM
Replies: 20
Views: 1,209
Posted By JSH
Those would work

Those would work
Forum: ZL1 Discussions 11-27-2025, 09:17 PM
Replies: 20
Views: 1,209
Posted By JSH
The shells of the green cats are still in place....

The shells of the green cats are still in place. I noticed last week that they had hit something and are dented. I larger diameter piece like these Corsa resonators probably won't fit.

Who makes...
Forum: ZL1 Discussions 11-27-2025, 08:08 PM
Replies: 20
Views: 1,209
Posted By JSH
I want to race with open headers, so I'm thinking...

I want to race with open headers, so I'm thinking about using a removable 12" section of exhaust pipe clamped on to the header and exh pipe that I would remove before a race. Of course I'm not going...
Forum: ZL1 Discussions 11-26-2025, 08:54 PM
Replies: 20
Views: 1,209
Posted By JSH
Exhaust - What are my options?

LTs thru burned out green cats to Kooks AB.

I bought Corsa's resonator, but it turned out to be the same as the ones in my AB now. Corsa's only suggestion was a larger reasonator.

I still have...
Forum: ZL1 Discussions 11-21-2025, 04:17 PM
Replies: 48
Views: 2,335
Posted By JSH
It made 1045/1055 today. Race gas only. It...

It made 1045/1055 today. Race gas only.

It did not make 1040 2 weeks ago because I misread the Dyno sheet. The 1040 represented a blip when the car shifted to 7th. I don't have the exact number,...
Forum: Z/28 Discussions 11-20-2025, 12:14 PM
Replies: 0
Views: 3,200
Posted By JSH
ZL1 Ten Car Shootout

When I see stuff like this, I think of putting a T/T 427 in mine. I assume only those cars on "the list" will showup.
Forum: ZL1 Discussions 11-19-2025, 02:18 PM
Replies: 48
Views: 2,335
Posted By JSH
I'm a huge fan of simplicity. I'm dynoing the car...

I'm a huge fan of simplicity. I'm dynoing the car Friday morning for the second pull on this build which will be at 21.5° so versus 19 on the first pull. The way the car feels there will be...
Forum: ZL1 Discussions 11-16-2025, 12:19 PM
Replies: 48
Views: 2,335
Posted By JSH
I'll speak with lingenfelter tomorrow but has...

I'll speak with lingenfelter tomorrow but has anyone heard about any failures of this pump?
Forum: ZL1 Discussions 11-15-2025, 05:27 PM
Replies: 48
Views: 2,335
Posted By JSH
I'm talking Lingenfelter's big bore high volume...

I'm talking Lingenfelter's big bore high volume fuel pump
Forum: ZL1 Discussions 11-15-2025, 05:19 PM
Replies: 7
Views: 763
Posted By JSH
I really like my Schrader performance rear seat...

I really like my Schrader performance rear seat delete
Forum: ZL1 Discussions 11-15-2025, 11:09 AM
Replies: 48
Views: 2,335
Posted By JSH
I'm just trying to add enough fuel to satisfy my...

I'm just trying to add enough fuel to satisfy my current DI build at DA <2000. No cage or parachute, so I'm limited to 1,000 ft. runs, and one quarter-mile at the end of the day, before they can send...
Forum: ZL1 Discussions 11-14-2025, 09:44 AM
Replies: 48
Views: 2,335
Posted By JSH
I've got enough fuel at 7,000 ft. but I won't...

I've got enough fuel at 7,000 ft. but I won't have enough at lower elevations. I've got the 38% fuel lobe and +30, so I could increase those to like +50. Who would you go to for the LPE pump?
Forum: ZL1 Discussions 11-14-2025, 09:06 AM
Replies: 48
Views: 2,335
Posted By JSH
Yeah I think so. I've got the DSX low side and my...

Yeah I think so. I've got the DSX low side and my intake runners have the bungs for port injection. So I could probably make it work.
Forum: ZL1 Discussions 11-14-2025, 08:48 AM
Replies: 48
Views: 2,335
Posted By JSH
Stanadyne Goliath high pressure fuel pump!?

My new build has forced me to look for the next step up in fuel delivery and I always assumed it was going to be this pump. However, a brief investigation on the web indicates that this pump has...
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