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Once the engine is near completion. I am sending a cast iron block (140 lbs) and heads to get the stepped headers made. I was given instructions for the diameter and length.

This engine isn't a beast. Remember that 1100 hp twin turbo engine in a hurricane? 😎

Here are the fresh block and billet crank

All aluminum Buick 455 stroked to a 540 with dry sump system and trying to workout the details for an EFI 8 stack.

The engine weight ( 455 is only 25 heavier than the SBC) varies from 436-485 lbs.

Thanks Russ! The guys were very informative. I can't wait

Back in the first of June, I did a visit at Hurricane Motorsports. I had a blast! They gave me great tour and answered all my questions that I could remember to ask!

I rode in the shop car with Alec. Then had lunch. They have a Hurricane customer for sure! I can't after my engine us finished! I think I'll bring my wife there for a visit if I decide to deliver the block and heads for mock-up.

Thanks guys for the information.

The reason why I asked... Is my engine builder has a set of requirements for the engine for the headers.

They are... do the headers as a step, 2"to 2 1/8, with each segment 15.75 to 17.25" if you have enough room. If you use a merge collector you want the throat to be 3.25-3.5 with a 4" outlet. Standard collector should be 4".  Best tuned lengths (end of primary to end of sidepipe) would be 34.5, 68.5 or 137.5" long.   

If you send your engine to Hurricane Motorsports, do they make headers for your engine? Also, what size diameter is the side pipe 4 in?

Thank you!

With traction lok?

What gear ratio options are there?

Hi Paul!

Thank you for the response! I really appreciate it. I'm actually trying to do a well-rounded car instead of being great at one thing. I have done the drag racing thing in my younger days. back in those days I had a shop, I had a Grand National (3700lbs) that ran 10.3s at 136 miles an hour through the exhaust. And my father's first brand new car, 72 GS stage 1(3800lbs) with a nice healthy Buick big block at ran 10.2s at 138 through the exhaust.

So with that all being said having a car on the road course will be new to me even though I did work as a pit crew member on one of the teams at the 1996 24 hours of Daytona! :-)

I have plans with the axles and the IRS system to upgrade them. Which by the way what system are they using 31 spline or 28 spline axles? Anyhow, I would really like a good handling and responsive cobra. what's my buddy taking his c7 ZO6 to Watkins Glen, vir, Atlanta, and other tracks I'd like to accompany  him and his buddy with a ZR1 with my cobra.

I know that CSX 3107 has 19 inch wheels on it and the engine isn't stock as he said he swings at engine close to 9000 RPMs, and the suspension frame is all tweaked. But I don't know about doing on the autocross

I am in the market for a Cobra kit, I am looking for a well-rounded car to go on the road courses and of course, the drag strip too. I prefer independent rear suspension so if anyone that has an independent rear suspension hurricane that is tragic car could you please tell me your experiences with it.