Pistons for a 2.1L / B212

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Krasch
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Pistons for a 2.1L / B212

Postby Krasch » Thu Nov 29, 2012 7:33 pm

I have several serviceable engine blocks and crankshafts for my '92 900S ChumpCar, but the pistons are looking kind of dismal. I can locate piston rings (or have been able to in the past) but pistons are nowhere to be found.

Anyone know of a good substitute? Cheap is important as this is Chumpcar racing.

Other suggestions welcome.

BTW, found a set of NEW 2.0L B-engine non-turbo pistons in the garage. I will probably put them up on eBay, but I have my doubts that there will be much interest. $50?
Tim Winker

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DrewP
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Re: Pistons for a 2.1L / B212

Postby DrewP » Thu Nov 29, 2012 10:15 pm

I'd definitely take those, I'm running an N/A B202 in my 99 and don't have another set.

Sorry, I don't have any 2.1 parts. I've got some B202T pistons, but those would probably drop the compression ratio too much for your liking.
"You can educate ignorance, but you can't fix stupid."

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Krasch
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Re: Pistons for a 2.1L / B212

Postby Krasch » Thu Nov 29, 2012 10:33 pm

The 2.1L pistons are 93mm, while the 2.0L pistons are only 90mm.

Haven't checked part numbers, but are the B-engine pistons (thru 1980) the same as the B201 (a.k.a H-engine) and B202 pistons? The diameter should be the same, but what about other specs?
Tim Winker

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Re: Pistons for a 2.1L / B212

Postby DrewP » Thu Nov 29, 2012 10:56 pm

I'm sure they're different.

(I should not have martinis before I try to do anything useful on forums.)

My white '73 still has the B20 in it - I'd still take them for spares, unless someone else needs them to actually get a car out on the road.
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Jordan
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Re: Pistons for a 2.1L / B212

Postby Jordan » Fri Nov 30, 2012 7:45 am

I might have a good set of used ones. The motor had only 125k or so. I'll let you know this weekend.

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Re: Pistons for a 2.1L / B212

Postby 99Super » Sat Dec 01, 2012 1:45 pm

Drew,
I've used B201 pistons in B20 motors in the past w/ no problems. Most of the internals are interchangeable on the engines (Pistons, rods, wrist pins, bearings, valves, springs, lifters, etc.) so I'm sure you won't have any problems. At worst, a bit lower compression.

John
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Re: Pistons for a 2.1L / B212

Postby Luke » Sat Dec 01, 2012 1:58 pm

I used to 88+ rods (stronger) in my 16 B motor and had to reduce the thickness a little on a surface grinder to get the right clearance at the crank journal. Also the early pistons use a slightly smaller wrist pin I've found.

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Re: Pistons for a 2.1L / B212

Postby DrewP » Sat Dec 01, 2012 2:37 pm

That's really good to know, in that case I have plenty of spares!
"You can educate ignorance, but you can't fix stupid."

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Re: Pistons for a 2.1L / B212

Postby Jordan » Wed Dec 05, 2012 9:33 am

I keep forgetting to bring home my impact gun to zip out the pistons from the block and see if they are worth sending. I haven't forgotten about it though...just never at the right time.


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