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#1
12-13-2003, 01:16 PM
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D15B1 vs. D15B2...
Hey guys...
I have a good B1 in my smashed STD that is one of the best engines I've ever seen...and a "dying" B2 in my Si that I am driving...I'm contemplating pulling the B2 out of the Si and putting the B1 in...leaving the Si distributor and the Si MPFI...I only have $1000.00 to work with, and pulling an engine is wayyyy beyond me...so buying another engine is outta reach... I guess what I am asking, is what am I really sacrificing here? I've been told that a d15 with the Si distributor and the Si MPFI can actually end up making more HP than the stock A6...is there any truth to that?  Jason 
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#2
12-13-2003, 01:35 PM
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Re: D15B1 vs. D15B2...
I'd actually be interested in knowing the answer to this too - i take it since you have a STD like me, the D15B1 is the wimpy 70-ish HP1.5L engine?
so what exactly would it take to beef it up a bit, to at least be more like the 100-ish HP 1.5L engine? I have no idea what the differences are.
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#3
12-13-2003, 01:42 PM
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swap the block.
use the A6 head, or atleast the A6 cam, and you will basically have a "d15a6"
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#4
12-13-2003, 03:19 PM
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Re: D15B1 vs. D15B2...
The thing that makes the b1 and b2 different are fuel maps in the ecu and the intake manifolds. I think thats it but i'm not sure.
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#5
12-13-2003, 03:28 PM
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Re: Re: D15B1 vs. D15B2...
Quote:
the blocks are essential identical, so using a d15b1 block with a d16a6 head/cam/intake will basically give you a d15b7, or around 105hp.
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#6
12-13-2003, 03:29 PM
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Re: D15B1 vs. D15B2...
interesting
i just did a valve job on my b1, so i'd like to stick with the head, but it sounds like a relatively easy/cheap way to get a little more oomph would be to swap the intake manifold from a junkyard engine so i guess i might as well go straight to a SI manifold (rather than a dx) and do the MPFI conversion? I would expect that since the mpfi is supposed to help the dx a bit, it'd REALLY help a wimpy std.
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#7
12-13-2003, 04:40 PM
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swaping a motor is not as hard as it sounds. if you take your time and have everything ready you could start on a saturday and have it running by sunday.
the right tools will make or break you on this... when I put my B16 in the hardest part was getting the axles out without an impact wrench... IE: impossible ! so I broke one  .hehe
__________________
2012 VW Golf 3 Door Automatic (Company Car)  2011 VW Golf Wagon 5 speed (Company Car) 2010 VW Jetta 2.5 Automatic (Company Car) 2009 VW City Jetta 5 Speed (Company Car) 2009 VW GLI 6 Speed (Company Car) 2008 VW Jetta 2.0T 6speed (Company Car) 1999.5 Audi A4 Quattro Sport 1.8t (Chipped 1.0 bar) Sold 1990 CRX Si (Built B17a) - Stripped and Crushed 1988 CRX Si -- Stolen 1990 Civic Cx -- Sold 1990 Civic Si -- Parted 1989 Civic dx -- Sold
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#8
12-13-2003, 08:37 PM
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Re: D15B1 vs. D15B2...
Quote:
 There's a case of beer in it for yah heh.Hey Kun, see what an A6 goes for down in your area of the province...It would be nice if I could get the Si at least back to stock...sigh. Jason
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#9
12-14-2003, 02:12 AM
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Would a B16A2/3 slip into my engine bay with minimal problems?
What about a D16Z6? as a second choice? Just curious...thanks J
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#10
12-14-2003, 02:30 AM
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Re: D15B1 vs. D15B2...
If you search there are many posts about those same motors into a 4th gen.
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#11
12-14-2003, 02:57 AM
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Re: D15B1 vs. D15B2...
look in the faq at the top of the list
i really think the way to go is a y8 - newer engine, but still a bolt in the z6 is similar but a bit older, any B series is gonna require a mount kit (more money)
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#12
12-14-2003, 03:05 AM
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A6's are pretty rare around here too... I can keep an eye out for one... I do Have one in peices in my garage... but i'm gonna need some peices of it to (hopefully) Fix the Civic. if not I'll have two and probably a D15B in the civic.
As for helping for the swap I'll see what I can spare for time... the downside is I don't drink 
__________________
2012 VW Golf 3 Door Automatic (Company Car) 2011 VW Golf Wagon 5 speed (Company Car) 2010 VW Jetta 2.5 Automatic (Company Car) 2009 VW City Jetta 5 Speed (Company Car) 2009 VW GLI 6 Speed (Company Car) 2008 VW Jetta 2.0T 6speed (Company Car) 1999.5 Audi A4 Quattro Sport 1.8t (Chipped 1.0 bar) Sold 1990 CRX Si (Built B17a) - Stripped and Crushed 1988 CRX Si -- Stolen 1990 Civic Cx -- Sold 1990 Civic Si -- Parted 1989 Civic dx -- Sold
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#13
12-14-2003, 01:48 PM
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Re: D15B1 vs. D15B2...
Quote:
I was only kidding about the help...but if you would be willling that's be cool...oh and you don't drink?!?! wow, that's rare...probablyu better when working on engines Keep in touch Jason
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#14
12-14-2003, 03:12 PM
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Re: Re: D15B1 vs. D15B2...
I dont drink either and I wouldnt mess with the d15's just get an a6 block....
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#15
12-14-2003, 06:43 PM
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Re: Re: Re: D15B1 vs. D15B2...
Quote:
Also are you saying get the "a6" block and use it with the current engine? or get an A6 engine complete? *sorry for the dumb question's...I'm new to the whole engine thing* Jason
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