Camaro LT5

[jmac]

Originally Posted by mikels

Yup - they get hot.....

Is that your "burble" tune Dave?

[mikels]

Originally Posted by jmac

Is that your "burble" tune Dave?

Nothing intentional! Just over-run - happens when fueling changes rapidly such as going from deep throttle to lift-foot (or clutch-fuel cutoff) - excess fuel continues combustion into the exhaust system. Sometimes (like this photo) mixture in exhaust is too rich to burn until it reaches outside air and then has enough oxygen to burn. Kills mosquitoes as a side benefit....

I have tinkered with the calibration on how enters fuel-cut (either decel or clutch) - as well as rate of change of targeted fuel ratio and spark timing during these events to minimize burble - but can only do so much when going from ~800-900g/sec airflow to ~50-100g/sec in short order.

Makes cool photos though!

Dave

[Stielow]

Originally Posted by mikels

Nothing intentional! Just over-run - happens when fueling changes rapidly such as going from deep throttle to lift-foot (or clutch-fuel cutoff) - excess fuel continues combustion into the exhaust system. Sometimes (like this photo) mixture in exhaust is too rich to burn until it reaches outside air and then has enough oxygen to burn. Kills mosquitoes as a side benefit....

I have tinkered with the calibration on how enters fuel-cut (either decel or clutch) - as well as rate of change of targeted fuel ratio and spark timing during these events to minimize burble - but can only do so much when going from ~800-900g/sec airflow to ~50-100g/sec in short order.

Makes cool photos though!

Dave

It does make cool photos...


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[raustinss]

So do the red rotors , asking for mercy lol

[Stielow]

One this build we are using two intercooler pumps. To clean up the plumping we joined the two 3/4 inch lines into a 1 inch hose. We then hard lined part of it







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[Stielow]

Today we drilled the holes to mount the fender emblems. Aaron nailed it! The curvature is dead on.






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[Stielow]

Small details like a solid Battery disconnection is nice. We started doing this on the last few builds and I like the switch better than the battery mounted ones.




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[Stielow]

The fuel controllers are mounted in the trunk. Also a little fuse block for them. The GM instructions for the LT5 said it just needs one fuel pump. My math shows it needs two. So the GM fuel pump controller will run one pump and then a VaporWorx will run the 2nd pump. This keep the crate controller ECM happy. The stock GM fuel control module will not carry enough current to control two pumps.




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[Stielow]

Optima / Detroit Speed Battery Mount




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[Stielow]

Two Much Fuel and Diff vents. The holes in the DSE rear crossmember are for the -6 AN bulkhead fittings.





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