Feedback on 103 upgrade
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Joined: Jun 2009
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From: orlando, fl
Feedback on 103 upgrade
I've been reading a lot of posts re engine upgrades and I've learned the following. It's important to make sure all the components match and work together. I've also learned you can get a lot of hp/tq out of these builds depending on how much you want to spend and change. So here's my question. I'm looking for a modest increase in TQ for a modest cost. My current setup includes a 2007 96 inch Softail Deluxe with an Andrews 26H cam, 2 into 1 Fatcat Exhaust, and K&N air filter. I've tuned it with a TTS Tuner and the TQ runs in the mid 90s ft/lbs. Overall the bike runs great. I ride a lot with my wife and the bike pulls strong right off of idle. But as most of you know, you can never be too rich or have too much HP/TQ. I'm thinking of adding the 103 kit and maybe head porting.
My question is will these components work well together? I'd be satisfied at 105-110 lf/lbs of TQ. I know I could get more but I'm trying to keep the cost down. I just don't want to change out the cam again (it's only 1 year old). In short I'm looking for the lowest cost upgrade while keeping most of what I already have.
My question is will these components work well together? I'd be satisfied at 105-110 lf/lbs of TQ. I know I could get more but I'm trying to keep the cost down. I just don't want to change out the cam again (it's only 1 year old). In short I'm looking for the lowest cost upgrade while keeping most of what I already have.
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Joined: Jun 2006
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From: san antonio
You can achieve your goal with the increased displacement and different cams. Head porting is not necessary, perhaps some minor cleanup, chamber volume balancing and decking for the compression sweet spot for the chosen cams. You are good on the tuner, exhaust and air cleaner.
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You can achieve your goal with the increased displacement and different cams. Head porting is not necessary, perhaps some minor cleanup, chamber volume balancing and decking for the compression sweet spot for the chosen cams. You are good on the tuner, exhaust and air cleaner.
I hear of guys getting 100/100+ with that setup with 26's
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You can bore your cylinders to 103", or 107",(our farorite) and at the same time, bring the compression to 9.65(that is where that cam thrives)via juggling head gasket thickness, or piston, assuming 85cc chambers.
As djl said, some minor head work will bring out more, and a 1.900" intake valve would be well worth the gain.
The 1.725 S/E non-roller rockers do kick things up, but could always be added later, in order to keep costs in check, at this point.
If you go this route, you'll have a HUGE gain in low-mid range power, and plan on a clutch spring as well.
Scott
As djl said, some minor head work will bring out more, and a 1.900" intake valve would be well worth the gain.
The 1.725 S/E non-roller rockers do kick things up, but could always be added later, in order to keep costs in check, at this point.
If you go this route, you'll have a HUGE gain in low-mid range power, and plan on a clutch spring as well.
Scott
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