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B18a Twin carb manifold wanted...Views : 1118 Replies : 5Users Viewing This Thread : |
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Nov 5th, 2009, 10:03 | #1 |
foot in mouth specialist
Last Online: Sep 6th, 2016 22:55
Join Date: Sep 2009
Location: Dublin, Ireland
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B18a Twin carb manifold wanted...
hi there, i have a 66 b18a, with a single stromberg carb. i am looking to put a sports exhaust and twin carb setup on to improve it a bit.
so does anyone have an intake manifold with or without carbs? can be SU or Weber, i am not fussed at this stage. |
Nov 5th, 2009, 11:38 | #2 |
VOC Member
Last Online: Yesterday 14:29
Join Date: Jul 2006
Location: Chatham
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Upgrade the cam first, maybe to a "D" cam, otherwise there will be virtually no difference. That assumes that the carbs are in good nick and properly tuned. Could even be worse performance with less mpg. Even with a "D" cam a single Stromberg can work pretty well unless you spend all your time over 4k rpm.
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Nov 5th, 2009, 16:54 | #3 |
Chief Bodger
Last Online: Today 05:59
Join Date: Oct 2009
Location: Aberdeen
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Hi Derek, I have a aluminium dual intake manifold which will fit a B18 or B20. Will fit 13/4" HS6 SU Cards but also SU HD6 and Stromberg 175CD Carbs should fit I think. It will clean up nice and I can't see anything visibly wrong. I bought it as I was going to change to SU carbs but upgrading to megasquirt FI instead. £20 plus postage which is probably about £5.
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Nov 6th, 2009, 06:23 | #4 |
Master Member
Last Online: Nov 29th, 2021 23:46
Join Date: Jan 2009
Location: Dunedin
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I have the B18b, and went from a C to D cam. Already had the twin SUs etc. I would say the D cam sucks all the mid range torque but gives you more high end power. The C cam is much nicer for toodling around town, but the D will open you up for more power on the highway.
Just my experience. |
Nov 6th, 2009, 12:09 | #5 |
foot in mouth specialist
Last Online: Sep 6th, 2016 22:55
Join Date: Sep 2009
Location: Dublin, Ireland
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manifold
PM'ed you Mitch..
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Nov 6th, 2009, 12:20 | #6 |
foot in mouth specialist
Last Online: Sep 6th, 2016 22:55
Join Date: Sep 2009
Location: Dublin, Ireland
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cheers for the advice Derek, i've been think about the Cam already.. but i first need to build some knowledge in that area..
the main reason i want to separate the intake and exhaust manifold is to drop in a decent exhaust system. going twin carb is probably better than going with a single, but sure for a few quid i can play around with a few different setups and see what i really like.. anyway, i'm sure any bits i don't use, will be recylced on this forum |
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