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#1 |
Newbie
Join Date: Jan 2018
Location: San Diego
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![]() A couple years ago I worked with Cometic to make a head gasket suitable for up to 93mm bore for my B30.
Finished the engine early this year and ended up with a 92mm bore and 6mm stroked motor which yielded approx 3.5l. Cometic Part numbers are: 0.043" Thickness - PN H3270SP1043F 0.059" THickness - PN H3270SP1059F Used an off the shelf Wiseco forged piston and Nascar Carrillo rods. Had to have crank welded, narrowed rod journals and reground to smaller diameter journal to accomplish but was happy with results. https://www.youtube.com/watch?v=cV-Q1NaQOZk Neil |
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#2 |
Happy playing the blues
Join Date: Jun 2002
Location: S NJ, a suburb of Phila.
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![]() Sounds great! Looks like it's going to be a lot of fun in a car that barely weighs more than the engine.
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#3 | |
The Librarian
Join Date: Nov 2011
Location: So Cal
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![]() Sounds awesome! It revs quick for a B30. What's the compression ratio?
What kind of car is it in, a Marcos? NVM, I just saw your user profile: Quote:
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#4 |
Board Member
Join Date: Mar 2017
Location: SoCAL
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![]() SOUNDS AMAZING!!! What is that gauge that's just floating there above the manifold?
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#5 |
PV Abuser
![]() Join Date: May 2004
Location: St. Louis
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![]() Awesome!
__________________
'63 PV Rat Rod '93 245 16VT Classic #1141 |
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#6 |
Newbie
Join Date: Feb 2009
Location: The Pitt, 15147
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![]() That's pretty damn rowdy
__________________
'93 944 T - #TrophyVo '00 XC70 SE - Slow '11 XC90 V8 - Torque Monster |
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#7 |
Board Member
Join Date: Mar 2004
Location: Lancaster, PA
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#8 |
Newbie
Join Date: Jan 2018
Location: San Diego
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![]() Compression ratio is 11:1.
It picks up revs so quick mainly due to the lightweight flywheel and clutch. Turns out that a tilton 153T nascar flywheel for small ford will bolt to B30 with a few mods. Rods and pistons are a fair bit lighter than stock also. The extra gauge was just oil pressure temporarily zip tied to intake during break in. |
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#9 |
Board Member
Join Date: Nov 2010
Location: N.Y.
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![]() Awesome result, thanks for posting both the info and the video.
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#10 |
Stößelstange über alles!
Join Date: Oct 2016
Location: Kingsville, MD/ Morgantown, WV
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![]() Wow.
Just wow. |
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#11 |
PV Abuser
![]() Join Date: May 2004
Location: St. Louis
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![]() Hopefully you dyno it at some point. It always seems like the B30 doesn't 'scale' as you'd expect from a B20, but then people rarely go all out on a B30 build.
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#12 |
Board Member
Join Date: Aug 2006
Location: E(Seattle!Vancouver! San Francisco!LA!) Helsinski
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![]() I got something like 185 hp out from my B30E with K-cam style camshaft, but it is not fully sorted out. Max torque comes in quite high rpm, so I might be cam timing issue or exhaust tuning thingy. I got std B30 E moose horns as exhaust manifolds
Before dyno, GT power simulation was made, giving quite close same performance results as dyno. |
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#13 |
Board Member
Join Date: Apr 2015
Location: Ben Lomond, CA
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![]() That is bad ass. What kind of power does it make?
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#14 |
Newbie
Join Date: Jan 2018
Location: San Diego
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![]() I’ll post after it runs on dyno. Right now I’m gettin break-in miles on it before putting the second valve spring in. Also working on an FI setup. Weber’s are great but think I can do better.
If someone can tell me how to post pics here I can show some more detail. Also running a quaife sequential gearbox that’s pretty fun. Neil |
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#15 |
Turbo, what?
Join Date: May 2004
Location: OR
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![]() Beautiful! Looking forward to hearing and seeing more.
__________________
Kyle - NLMGG: '91 244 NA DD/Track - General Leif: '71 142 Endurance Racecar - The General's FB page - Oregon Volvo Tuners - Died ![]() |
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