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Old 12-01-2010, 02:53 PM
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Default 88 cu.in. to 96 cu.in. Electra Glide

My son just bought an electra glide with a 88 cu.in. Can't remember if he said 2002 or 2006. I've got a set of 96 cu.in. jugs, pistons and a stock cam. I'm wondering if we can swap them or do we need more. Such as the heads, fuel injection system and different ecu.
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Last edited by awente@comcast.net; 12-01-2010 at 03:10 PM..
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Old 12-01-2010, 04:47 PM
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Quote:
Originally Posted by awente@comcast.net View Post
My son just bought an electra glide with a 88 cu.in. Can't remember if he said 2002 or 2006. I've got a set of 96 cu.in. jugs, pistons and a stock cam. I'm wondering if we can swap them or do we need more. Such as the heads, fuel injection system and different ecu.
That's a loaded question but I will take a shot.

Jugs will need to be bored; the 96" cylinders are the same bore as the 88" cylinder; the 96" comes from the increase in stroke from 4.0"" to 4.38". So, bore to 3.875" to fit a set of new SE cast flat top pistons.

Don't know why you would want to install the stock 96" cams; I don't know the differences in profile but if you are going to change cams, change to some that will make a difference. Cam selection will depend on riding style and other modifications.

Headwork will always help. Your options run from a BigBoyz "street" port job for $299 toi a set of fully ported Baisley (or other) heads for more than $1000; depends on performance goals and budget. A BigBoyz street port, plus machine work for chamber balance and decking for compression will run about $500 and, IMHO, a great value. If you can get your hands on those 96" heads, you could install them without any headwork and see some gains; they flow much better than the earlier heads.

If you increase displacement, upgrade heads and cams, you will need a fuel mangement system. Your options are Thundermax with, or without, autotune to the TTS Mastertune. You should check in your area for a tuner with a rep for good work and find out what he/she likes to work with. If there is no dyno tuner readily available, the Thundermax may be the way to go as it has an auto tune feature and, from what I read, pretty user friendly. I have no experience with the TMax but everyone I know that has is quite happy with it. The TMax has it's own ECM but others will retain the use of the stock ECM.

You did not mention exhaust or intake. To complete the package, you will need to open up the air intake with the SE air cleaner and convert the exhaust to a good 2:1 exhaust sytem like the V&H Propipe or the Python 3; both are good value and hard to beat for the money.

BTW, the FLHT, particulalry if an '02 is a solid machine with a strong bottom end. H-D cranks were still forged that year and the Timken crank bearing was still in use; boht have been downgraded, IMHO, since that year.

Good luck!

Last edited by djl; 12-01-2010 at 04:51 PM..
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Old 12-01-2010, 05:15 PM
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Quote:
Originally Posted by awente@comcast.net View Post
My son just bought an electra glide with a 88 cu.in. Can't remember if he said 2002 or 2006. I've got a set of 96 cu.in. jugs, pistons and a stock cam. I'm wondering if we can swap them or do we need more. Such as the heads, fuel injection system and different ecu.

No gains to be had with that swap, as djl has pointed out.
BUT, if more power is what your after, your cylinders bored to 3.934" will show what we refer to as 98", using our proprieitary Wiseco piston kit.
That combined with a Wood 6, or better yet, the torque mac-daddy, his 400G, along with a set of our Stage III heads, and it'll show 110-115 hp, and 110-115 ft/lbs.
Great fuel enconomy as well.
Scott
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Old 12-02-2010, 08:52 AM
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Thanks, that information was very helpful.
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Old 10-13-2012, 02:14 PM
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Hey I'm kind of resurrecting this thread because I'm curious about the stroke.. I'm thinking of doing a 107" build this winter, which means I'm going to also have a set of 96" cylinders and pistons laying around.. a buddy of mine has an 02 electra glide standard with a carb'd 88".. are you saying it's not a simple swap-job because of something to do in the bottom end? that the 88" crank in the bottom doesn't have enough push for the 96" cylinders?
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Old 10-14-2012, 07:15 AM
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you need a larger crank; the jugs are the same size
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Originally Posted by Sgt_Jim View Post
Hey I'm kind of resurrecting this thread because I'm curious about the stroke.. I'm thinking of doing a 107" build this winter, which means I'm going to also have a set of 96" cylinders and pistons laying around.. a buddy of mine has an 02 electra glide standard with a carb'd 88".. are you saying it's not a simple swap-job because of something to do in the bottom end? that the 88" crank in the bottom doesn't have enough push for the 96" cylinders?
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Old 10-14-2012, 04:14 PM
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Jim, when Harley went from the TC88 to the TC96 they changed the crankshaft, not the cylinders. A TC88 can be bored out to between 95 and 98 ci, depending on who does the conversion. Your cylinders are no use for your buddy, but if he wants to tune his bike show him Scott's reply above.
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Old 10-14-2012, 04:44 PM
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okay, cool thanks for the reply
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Old 10-14-2012, 04:44 PM
 
 
 
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