Fair enough. I've only checked one engine and it failed, so my experience hasn't been particularly good. ;)
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Originally Posted by miata2fast
(Post 835763)
No problem.
I would like to ask you another technical question. What was involved with the crank scrapers? Does the crank lightening allow you to get the scrapers closer to the crank? I want to put scrapers on my next motor, but I do not know how well they will work with those damn casting ridges on the crank throws. It seems like a waste without them gone. Pricey? The ones in my engines are custom made by my engine builder, not by the company in the link above. |
Is 11:1 better than 9.5:1 for E85 use? I’m building forged engine (for F/I) and wonder If I should go with 11:1 Supertechs. I’m only using E85 and its quality stuff here in Finland. 106octaine 80-85% all year round
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+1 on ^ ? I already have an 11:1 motor laying around, been wondering about the very same question, (what with e85 a mile away)
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I wonder what CR the ST 11:1 actually will give on a undecked block since the compression height seams to be lower than stock (at least mine were). With some unshrouding maybe 10.5 or even slightly less. That's if the domes actually are 10.5cc on them.
Yeah, mine are 84mm, I know, but there might be the same design practice on the 85.5. |
E85 is magic stuff. All of you E85 guys if you could start over again, would choose 11:1 pistons?
I did E85 test 6 months ago with my old supercharged stock 8.8:1 motor. I didn’t have FMIC only Aquamist WI - Cut the water injection off and start pushing the car. - After 15min hard street driving I didn’t hear or log any knock (I had det-cans) - I add more timing until around 22 deg btdc finally engine starts pinging. And that was with 14PSI boost [/cool story bro...] |
Originally Posted by emilio700
(Post 835788)
http://www.crank-scrapers.com/
The ones in my engines are custom made by my engine builder, not by the company in the link above. I was dreading the installation, but now it looks much easier. Thank you. |
Originally Posted by emilio700
(Post 835745)
I've had these cams for a few years now.
.427 cam lift intake, 272° .410 cam lift ex, 266° |
Any plans to sell similar cams in the future?
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Originally Posted by muoto
(Post 835848)
Is 11:1 better than 9.5:1 for E85 use? I’m building forged engine (for F/I) and wonder If I should go with 11:1 Supertechs. I’m only using E85 and its quality stuff here in Finland. 106octaine 80-85% all year round
Bottom line is with E85, I can so I will.
Originally Posted by vehicular
(Post 835910)
Any plans to sell similar cams in the future?
Originally Posted by bobbiemartin
(Post 835876)
Any idea the cam timing in these?
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Originally Posted by muoto
(Post 835855)
E85 is magic stuff. All of you E85 guys if you could start over again, would choose 11:1 pistons?
I did E85 test 6 months ago with my old supercharged stock 8.8:1 motor. I didn’t have FMIC only Aquamist WI - Cut the water injection off and start pushing the car. - After 15min hard street driving I didn’t hear or log any knock (I had det-cans) - I add more timing until around 22 deg btdc finally engine starts pinging. And that was with 14PSI boost [/cool story bro...] |
Originally Posted by Faeflora
(Post 836050)
I run 22* @ 20psi with no pinging and no WI. :p
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Originally Posted by emilio700
(Post 835994)
I dread a turbo system with any lag whatsoever. I'd simply don't enjoy driving a car with bad control feedback and non-linearity, even if it's fast. So for me, I'll set up the car to have as little hysteresis in TPS/Torque as possible.
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Originally Posted by Savington
(Post 833975)
I disassembled your motor and sonic checked it - it would have punched a hole in #3 in short order. ;) Who built that engine?
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Originally Posted by UrbanSoot
(Post 836307)
an idiot that isnt around anymore.
Valuabe contribution |
Originally Posted by Faeflora
(Post 836309)
N N N HDJJSJEIE. SNUFGLE S
Valuabe contribution |
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