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LS/VTEC questions?

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Old 01-18-2009, 11:11 AM
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Default LS/VTEC questions?

I was doing research about ls/v and one of the downsides is the pistons hitting the valves. My block is a B18b1 and i was wondering what piston/rod combo to use. Is it good to use B16 rods and pistons, or just use the rods with LS pistons? or B16 pistons and LS rods? Do the early model obd0 B16s have the same bore as my B18b1 or do i have to use the obd1 B16 rods/pistons? This is new ground for me so any information is great!
Old 01-18-2009, 06:20 PM
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Default Re: LS/VTEC questions?

use the B16 pistons on the LS rods..
that'll increase the compress slightly.
Yes, the B16 and B18 all have the same bore size from factory. 81mm
Old 01-18-2009, 06:36 PM
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Default Re: LS/VTEC questions?

Originally Posted by geebs
use the B16 pistons on the LS rods..
that'll increase the compress slightly.
Yes, the B16 and B18 all have the same bore size from factory. 81mm
x2...
Old 01-18-2009, 10:35 PM
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Default Re: LS/VTEC questions?

awesome thanks guys
Old 01-18-2009, 10:54 PM
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Default Re: LS/VTEC questions?

Originally Posted by geebs
use the B16 pistons on the LS rods..
that'll increase the compress slightly.
Yes, the B16 and B18 all have the same bore size from factory. 81mm
x3 and if you can spring for them, the pistons from the b18c5 will work
Old 01-20-2009, 07:02 PM
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Default Re: LS/VTEC questions?

Any B series piston will work.. heh
You can get a new set of PCTX CTR pistons for like 140 now.
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