9 0 liter at Bondurant

[stradman]

10.2 standard compression ratio

Oh really? Thought it would be different to stock but guess maybe any higher and you need race fuel??

[Jack B]

10.2 standard compression ratio

Is that diff on the extremes, my build sheet is a little diff.

[stradman]

Is that diff on the extremes, my build sheet is a little diff.

Yes Jack you are right. Just checked on website it should read 10.5. Maybe the 10.2 is 9.0 non extreme?
https://store.prefix.com/products/vi...-xtreme-engine

[Jack B]

Yes Jack you are right. Just checked on website it should read 10.5. Maybe the 10.2 is 9.0 non extreme?
https://store.prefix.com/products/vi...-xtreme-engine

I just found my "non" extreme 9L build sheet and the comp is 10.6. The chamber volume is 72.4.

[Scot@Prefix]

10.2 to 10.6 depending upon head gasket thickness and cylinder head volume. Some heads are decked, some are not. Some blocks have been decked some have not.

[stradman]

10.2 to 10.6 depending upon head gasket thickness and cylinder head volume. Some heads are decked, some are not. Some blocks have been decked some have not.

Ok Cheers Scot. Although don't know what decking heads and blocks actually means...Can anyone explain?

[Jack B]

Good info

[13COBRA]

10.2 standard compression ratio

Hi Scot, What do I have on my 9.0 Extreme now?

Time to upgrade stradman...haha

[ayousef]

Ok Cheers Scot. Although don't know what decking heads and blocks actually means...Can anyone explain?

shaving some material from the head reduces the combustion chamber volume which increases static compression ratio.

[dgreenberg]

Bondurant sold today at auction for $1.675 million. I hope it's people that want to keep it going.....

I was actually there on Friday the 29th doing the Demon experience. All the instructors were super excited about the buyers/new direction of the school/business/etc. They are definitely there to stick around!

[SRZ]

How did you like the Drag racing school program?

[dgreenberg]

How did you like the Drag racing school program?

Wasn’t bad! It was included with the new vehicle purchase; not sure I would spend 2k to go and do it though. Got to beat on someone else’s demon and learn about all its features that I never touched on ours since it was flipped. It would have been nice to do full 1/4mi passes but I understand the risks preventing Bondurant/Dodge from doing that. Students were wearing no fire suits, open faced helmets, had no safety roll bar or cage and the fact you can’t just replace the car if it’s crashed bad enough.

[SRZ]

Thanks Dgreenberg. I will be attending it in a few weeks. I would not spend 2K to go either but great to attend when free.

[ssgsnake]

Just got back yesterday. Did the 2 day course and then the Drag course, Lots of Fun great time to go as lots of people think they are out of business, Demon class was full but the two day class was not and received a lot of track time. The instructors where awesome to work with and learned a few new tricks, Great to beat on some else car to learn.