What will it take?
andrewlandon67:
Quote from: mg on September 16, 2022, 15:06:20 pm
rip Mark had close ratio gears in the SSB, at least it did the day I drove it. 8)
If I was at 6k feet I'd keep stock gears and go small turbo and make my own atmosphere. ;)
Small turbos are interesting, but they lose so much of the character of a big IDA-fed street motor, and to do right, they end up costing way more.
mg:
Then carbs with nitrous in 3rd and 4th to push it over 100mph.
My 300hp 911 with FI was a dog at high altitude.
At Sea level it was much faster.
my old 11.70 109mph 180hp drag bug at sea level.
I expect it is faster now.
[ Attachment: You are not allowed to view attachments ]
andrewlandon67:
Quote from: mg on September 16, 2022, 18:34:53 pm
Then carbs with nitrous in 3rd and 4th to push it over 100mph.
My 300hp 911 with FI was a dog at high altitude.
At Sea level it was much faster.
my old 11.70 109mph 180hp drag bug at sea level.
I expect it is faster now.
[ Attachment: You are not allowed to view attachments ]
I've actually considered just rebuilding my 1915 and dumping a big shot of giggle juice down it to get that same effect. I still might do it, it just depends on how much of a project I'm willing to make it. One thing I'm curious about is the weird lack of correlation between E/T and trap speed in bugs, your 11.70 at "only" 108 mph seems almost slow to me, was it just geared to get up to that speed as quickly as possible?
Bill Schwimmer:
6000'.... thats going to be a tough one. I would error on the high side of compression, maybe 12:1?? If you take it to sea level you could add race gas. Sort of the same big cam , big head , 2300cc combo that everybody has with 2 points higher compression. Use the 4:37 to get it moving , should be able to get it done. I always hated going to elevation. A 1000' makes a difference , I could' nt imagine 6000'..
andrewlandon67:
Quote from: Bill Schwimmer on September 16, 2022, 22:46:51 pm
6000'.... thats going to be a tough one. I would error on the high side of compression, maybe 12:1?? If you take it to sea level you could add race gas. Sort of the same big cam , big head , 2300cc combo that everybody has with 2 points higher compression. Use the 4:37 to get it moving , should be able to get it done. I always hated going to elevation. A 1000' makes a difference , I could' nt imagine 6000'..
I'd be curious to see how that high of compression would work up here, most of what I've been around is fairly tame (9.5:1 or so) but most guys around who run much higher than that do mostly race gas. It's an interesting thought though, and I'm definitely getting pushed more to the big-cube side of things than trying to make something sub 2100ccs work that hard. I've also been curious to see what taking my bug as it is down to sea level would do, it's a pretty rowdy little car up here, and I know some cars with similar engines have gotten into the 13s fairly easy at CA elevation.
Navigation
[0] Message Index
[#] Next page
[*] Previous page