What are the cons of Aluminum heads on a street car?

[Pronto]

Off the TA downloadable catalog:
TA V3850 Street Intimidator (SI) heads require either a stock stamped steel rocker or our

TA V1309SI series rockers. Roller rockers for stock heads do not line up perfectly with the

valve tip. The stock steel rocker has a much wider footprint than a roller, for this reason they

are compatible with the SI heads. Roller rockers for production heads can be made to work if

the rocker spacing is adjusted.

 

[GNVenom]

Just don't run out of fuel. Detonation can ruin your day.

 

[TurboBob]

dang, John.... that from one of your cars?


B

 

[we4Mateo]

Just don't run out of fuel. Detonation can ruin your day.

Aluminum is easier to fix though right?

 

[GNVenom]

Not mine. Took those pics a few years ago at the GS Nats. Aah, the Test-And-Tune things that can happen when you get greedy.

 

[Boost231]

Aluminum can be fixed. Good luck fixing an iron head

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