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Forum: General Q & A

01-18-2011, 07:25 AM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

When the engine is out of the boat you need to...

When the engine is out of the boat you need to Remove the heads to replace, pull the oil pan and front cover to replace the camshaft, so it does not take much to replace the stock pistons with a...

Forum: General Q & A

01-15-2011, 04:23 PM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

Yeah I will go along with that..........

Yeah I will go along with that..........

Forum: General Q & A

01-15-2011, 10:02 AM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

Ray I took the time yesterday to CC a bone stock...

Ray I took the time yesterday to CC a bone stock head right off a Mercury 375 and it CCed out to 111cc's so you may have some heads from Texas (everythings bigger in texas) lol. I put a forged flat...

Forum: General Q & A

01-14-2011, 07:02 AM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

Yes you can run on 87 octane.

Yes you can run on 87 octane.

Forum: General Q & A

01-14-2011, 07:01 AM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

Keith yes I will I am looking into some other ex...

Keith yes I will I am looking into some other ex for the people that cannot spend 4600.00 for ex. It may cost a little power but that's were the saying you get what you pay for came from.

Forum: General Q & A

01-13-2011, 05:43 PM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

I did all the testing on 91 octane fuel. I only...

I did all the testing on 91 octane fuel. I only had 29-30 total timing in the ecu. The combustion chamber is so efficent in the head it did not need much timing.

Forum: General Q & A

01-13-2011, 01:32 PM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

Happy New Year to you too Ray. I used a bone...

Happy New Year to you too Ray.

I used a bone stock intake manifold on this 496 engine with a Mefi 4B ecu so I could program it myself. I believe the max HP thru this manifold is 575HP so why port...

Forum: General Q & A

01-13-2011, 06:45 AM

Replies: 201

Dart 8.1 Gen 7 Iron Heads

Views: 144,331

Posted By TylerCrockett

I tested the Dart heads with 3 different...

I tested the Dart heads with 3 different camshafts and several rocker arm ratios and different valve sizes to get the best results with the stock intake manifold. I took a stock 375 HP and put forged...

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