95" TW21 LSR vs TW26 LSR

3046 Views 2 Replies 2 Participants Last post by BaggerDad, Dec 16, 2005

BaggerDad

Discussion Starter · Dec 16, 2005

RED LINE is TW26 (92.33 / 99.73 TQ)
2002 Road King Classic (Delphi EFI)
AMS Heads ported, 82.5cc, (9:6.1 CR)
(5 Angle valve job, stock diameter valves
.030" head gasket
KB 348/95" flat top pistons
Andrews TW26G
RB Racing LSR 2-1
Doherty PowerPacc air filter
Stock 40 mm throttle body
3.37 final gear ratio
HD Stage 2 ECM download
Dyno Jet PCIII USB

BLUE LINE is TW21 (85.94 HP / 102 TQ)
2002 Road King (Delphi EFI)
AMS Heads ported (86cc) 9:21 CR
5 angle valve job, stock diameter valves,
0.030" head gasket
KB 348/95" flat top pistons
Andrews TW21G
RB Racing LSR 2-1 exhaust
SE Air Filter
Stock 40 mm throttle body
3.37 final gear ratio
HD Stage 2 ECM download
Dyno Jet PCIII USB

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Mtclassic

· #2 · Dec 16, 2005

so how did each feel on the road? Dyno's only tell part of the story

. how did each feel seat of the pants. I think I would be happy to see 80/90 with stock heads. Do you think I could do it with the 21's?

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BaggerDad

Discussion Starter · #3 · Dec 16, 2005 (Edited)

Mtclassic said:
so how did each feel on the road? Dyno's only tell part of the story . how did each feel seat of the pants. I think I would be happy to see 80/90 with stock heads. Do you think I could do it with the 21's?

Stock heads with the TW21 will produce similar results. As one dyno I posted showing my run with mildly ported heads and a 2001 Ultra with no headwork. Both produced mid 80' HP, high 90's TQ. But more important than numbers, the TQ began down low and climbed very nicely.

IMHO, the 95" bike with TW21 cams made for a very streetable, reliable, stump puller of a ride. You can feel the TQ off idle and I was never disappointed on the interstate cruising 80-85 mph.

I can send you clearer, larger copies of the dynos if you want. Shoot me an e-mail: [email protected]

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