I am leaving food on the table..andrews 37?
Road Captain
Joined: May 2009
Posts: 505
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I run 37's in my 95" Dyna and as you say they were the best all round option for 95". I have my RKC running TW6-6's but had I waited a year 555's would have been the choice. Both prefer more compression - Woods especially so. But the Woods gives more bottom and less top than the 37's. Which is good for a bagger and 2-up.
I think you need to decide if it's mid-top or bottom-mid you're after the most. For the former it's the 37's, but Woods for the latter. 26's seem a better all round option but I've no personal experience of them.
Whichever you choose is better than stock though.
I think you need to decide if it's mid-top or bottom-mid you're after the most. For the former it's the 37's, but Woods for the latter. 26's seem a better all round option but I've no personal experience of them.
Whichever you choose is better than stock though.
Stellar HDF Member
Joined: Dec 2009
Posts: 2,560
Likes: 279
From: North Cental Iowa
Andrews has a 57 that's in the works, it's listed already but they haven't got it into production yet, it should be available in the next month or so. It's an exact duplicate of the 37 with an additional .050 lift, same duration & timing #s with .560 lift. Designed to be a bolt in for the 103s, stock CR or add .030 head gaskets. Give Andrews a call & see what they have to say.
Outstanding HDF Member
Joined: Oct 2007
Posts: 3,437
Likes: 15
andrews 37's make very good numbers in 103's, you have to remember 103's have naturally more compression then 88's-95's. I was set to go with 37's in my 011 rgu 103 but at the last minute decided to go 254's which I am happy with but in the back of my mind I think 37's would have been slightly better choice. There is a guy on HTT that has a dyno of his 2011 103 and it has very nice numbers and torq curve.
I will say the 254's seem to pull well from idle on up to redline and have been super easy to Vtune via TTS on reason is they have a short overlap.
I will say the 254's seem to pull well from idle on up to redline and have been super easy to Vtune via TTS on reason is they have a short overlap.
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