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Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

06-21-2025, 08:32 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

Got her all fixed up, ended up making 507whp on a...

Got her all fixed up, ended up making 507whp on a Dynojet.

1165310

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

06-05-2025, 12:06 PM

Replies: 5

Views: 595

Posted By Darkfuzion

I would assume those are BTR .660's, they are the...

I would assume those are BTR .660's, they are the most common. They could also be PAC Racing .660's. Also, I think those might be titanium retainers.

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

06-02-2025, 12:28 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

Agreed, I got very lucky. We just got the engine...

Agreed, I got very lucky. We just got the engine put back together with new heads. I'm going to send some data logs to the tuner to see if anything needs to be adjusted.

I would like to get it...

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-24-2025, 10:23 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

I took the valve cover off, took the rockers off...

I took the valve cover off, took the rockers off and realized I installed the trunnion upside down on 5 of the rockers arms. This resulted in 4 cracks in the head where the bolt is installed. 1 crack...

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-23-2025, 09:12 AM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

The car made 464whp on the dyno before the SS3...

The car made 464whp on the dyno before the SS3 cam. After the cam was installed we went back to the same dyno and the car made 470whp, a pickup of 6whp. I'm significantly down on power gained FROM...

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-22-2025, 06:07 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

That was actually the first thing we checked was...

That was actually the first thing we checked was if the throttle was closing, according to the logs its staying open and there is no knock.

We did change the lifters at the same time we installed...

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-22-2025, 02:12 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

Can you tell me more about this? What lifters did...

Can you tell me more about this? What lifters did you end up going with?

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-22-2025, 07:02 AM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

Its has: Brian Tooley Racing – .660" Lift...

Its has:

Brian Tooley Racing – .660" Lift springs

Chevrolet Performance – OEM Hydraulic Roller Lifters

3/8" Hardened Pushrods

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

05-21-2025, 09:51 PM

Replies: 19

High RPM power fall off

Views: 2,822

Posted By Darkfuzion

High RPM power fall off

I have ran into a problem where it appears my car is not making power past 5,700 RPM, it starts to have a slow decline on the dyno graph. I'm also significantly down on the power I gained from a SS3...

Forum: Exterior Parts & Accessories

04-14-2021, 10:20 PM

Replies: 4

FS - Rear Tail Lights - One smoked

Views: 1,557

Posted By Darkfuzion

These have been thrown away due to no interest.

These have been thrown away due to no interest.

Forum: V8 LT1 Engine, Exhaust, and Bolt-Ons

02-27-2021, 04:28 PM

Replies: 7

SS ENGINE SQUEAL FROM BELT, VERY BAD!

Views: 5,015