[Knight5008055]

I have looked all over to try and confirm that the 929 has different cam's for the California edition (smaller for smog reason's), just like the previous model. Anyone know, if so what are the specifications?

I am also looking in running the 954 cam's in my 929 knowing they have a slight amount of greater lift on the intake, as well as having longer duration and being lighter. They should swap right in from what I understand; are there and complications to this swap? What are the specs on both?

 

[bladeracer]

I have looked all over to try and confirm that the 929 has different cam's for the California edition (smaller for smog reason's), just like the previous model. Anyone know, if so what are the specifications?

I am also looking in running the 954 cam's in my 929 knowing they have a slight amount of greater lift on the intake, as well as having longer duration and being lighter. They should swap right in from what I understand; are there and complications to this swap? What are the specs on both?

Cali cams are the same as non-Cali. As far as I'm aware only '98/'99 Blades have different cams for Cali.
The difference between 929 and 954 cams is marginal at best.
Honda OEM manuals list cam specs.
929
IN 36.48-36.72mm 25BTDC - 35ABDC
EX 36.08-36.32mm 40BBDC - 20ATDC

954
IN 36.74-36.98mm 25BTDC - 38ABDC
EX 36.45-36.69mm 41BBDC - 22ATDC

 

[Holder]

doesn't seem like it would be that big a diffrence for the trouble. just my opininon here though

 

[Knight5008055]

doesn't seem like it would be that big a diffrence for the trouble. just my opininon here though

Well I am replacing the cams anyway and I found the best deal on the 954 cams so i'm sure it will make a little difference with extra duration and lift. Thank you bladeracer!

 

[amorti]

I put CBR400 cams in my CB-1. It was a much bigger difference than your swap, I'll admit, but point is it required me to go from 105K jets to 116DJ jets, which is a really quite big increase.

So what I am saying is, expect to need a remap.

 

[bladeracer]

I put CBR400 cams in my CB-1. It was a much bigger difference than your swap, I'll admit, but point is it required me to go from 105K jets to 116DJ jets, which is a really quite big increase.

So what I am saying is, expect to need a remap.

I don't have duration numbers for the 400RR's, but lift is around 0.5mm more on the intake for all the 400RR's, and around 0.5mm more on the exhaust in the RR-R (previous RR's exhaust lift is essentially the same as the CB-1).

 

[amorti]

CB-1:
Intake: 5 ATDC - 33 ABDC
Exhaust: 33 BBDC - 5 BTDC

CBR 400:
Intake: 11 ATDC - 41 ABDC
Exhaust: 41 BBDC - 11 BTDC

I have the CB-1 ones from the Honda shop manual, specs "valve open 1mm" I have the CBR ones from somewhere on t'web.

Rather more change than 929>954, but anyway, it'd be worth getting it on a dyno to check it's not been leaned off too much.

 

[bladeracer]

CB-1:
Intake: 5 ATDC - 33 ABDC
Exhaust: 33 BBDC - 5 BTDC

CBR 400:
Intake: 11 ATDC - 41 ABDC
Exhaust: 41 BBDC - 11 BTDC

Rather more change than 929>954, but anyway, it'd be worth getting it on a dyno to check it's not been leaned off too much.

Good stuff.
Which model 400RR is that?

 

[varg]

Hi guys
i have read this topic. and would like to know results)) because i faced with same trouble.
have anyone tested this swap? please tell me

 

[amorti]

Good stuff.
Which model 400RR is that?

23 tri arm. The previous model had side draught carbs and doesn't work, the 29 had different cam gear ratios (same ratio but different teeth or something, I forget) so won't work. I guess you could press the driven gear from cb-1 onto nc29 cams but doubt its worth the extra trouble.

You like the old 0.4's too, then? Kinda miss mine, the experience as well as the constant fettling, I never could leave em alone.

'97 900rr forks in 93 yokes, settled in the end on apex adjustable clip ons
954 calipers with nsr400 master cylinder
Nc29 wheels and front discs, 1000rr rear disc
Nc29 arm and rear caliper holder
Hagon shock, 900rr stand as its longer
Nc23 cams and some dyno work - never really finished it though.

Plus other stuff I forget. Would live to make another but single disc is plenty.

 

[varg]

just for clarify))) my question was about cbr 954 and 929 (like the name of topic)..
is it possible to install cams from 954 to 929? and how it will work?)

 

[bladeracer]

just for clarify))) my question was about cbr 954 and 929 (like the name of topic)..
is it possible to install cams from 954 to 929? and how it will work?)

Yes.
I doubt you'd notice any difference.

 

[varg]

oo, good news! thanks

but what about real? Knight5008055, did you try it?

 

[varg]

today i have found cams from 954. condition is better then my cams.
but i think about these damages (small ovals)... i haven't these on my shafts.
for sure, i understand that it will work... but how much?





is it ok? i make my bike for me, and will not forecast to sold. thats why i'm asking

 

[bladeracer]

today i have found cams from 954. condition is better then my cams.
but i think about these damages (small ovals)... i haven't these on my shafts.
for sure, i understand that it will work... but how much?





is it ok? i make my bike for me, and will not forecast to sold. thats why i'm asking

I don't think I'd use those.
Your cams are worn worse than this?
I would expect the buckets to be damaged as well in this case.

 

[varg]

my... looks better, but it is only first view
all surfaces is ok expect 3th of cylinder. you can see it below.
and my main trouble is gap on the last picture.

 

[bladeracer]

my... looks better, but it is only first view
all surfaces is ok expect 3th of cylinder. you can see it below.
and my main trouble is gap on the last picture.

The gap doesn't matter as that is taken up by the shims.
Is that lobe actually undersize?
You could have the cam reground back to stock spec or to a new profile.

 

[varg]

no, shims impact on "zero profile"...
my last photo shows cam lobe hight (the highest point) and scraths on first also the highest pointon the same cam.
and it is over servise limit, impossible for ground IMHO

 

[bladeracer]

no, shims impact on "zero profile"...
my last photo shows cam lobe hight (the highest point) and scraths on first also the highest pointon the same cam.
and it is over servise limit, impossible for ground IMHO

I don't understand your "zero profile comment".
Repairing the lobes requires welding them up first and then grinding them back to spec, it doesn't matter how worn they are.

 

[varg]

1 - the cam lobe hight, here i have scraths and gap(
2 - "zero profile" it is round, another surface of cam... and shims impact on termal gap between this surface and valve lifter.
welding and granding ipossible for me, i have not specialist according this(