MSD total loss vs TS2 Twin spark ignition.

Pablo

Pablo

sqeez bth levrs & lean bk
Site Supporter
Location
georgia
I have a gen 1 flame TL going on 4 years old and zero issues. I had a similar positive experience with 2 ATP Epic ignitions...used on separate skis. Both worked well and as advertised. From my experience, ATP has been easy to work with as a customer and as someone needing support for initial install. I have no idea how things went down for u guys but for me, I would buy again.
These scenarios always get muddy from time to time when there's pizzed-off customers so u never know who's telling the whole truth, but I wouldn't go as far as calling their products junk or trash. ATP's products always seem top notch to me.


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Brian_216

Brian_216

Location
Harveys Lake PA
We still have one unit that has been flawless so I can't say it's junk. I just had a bad experience with an older one and an hx3. The one that works is great, and the concept is also awesome. I just wish they were more consistent.
 
stefan

stefan

Location
denmark
2XLR8 said:
I don't understand what a big engine or a stroker has to do with anything. Degrees before top dead center is degrees before top dead center.
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I agrea but its not working on mine it has spark and fuel just dont starte, i am going too change coil/springs/jets and doo a smaller pickup gap. After that Iam out off options
 
W

waxhead

wannabe backflipper
Location
gold coast
Jets will still allow it to start so will the pop off.
Change coil but I think you have an ignition issue. Timing or weak.
I had this sort of issue with my epic. I changed everything the only thing that fixed it was an msd
 
stefan

stefan

Location
denmark
waxhead said:
Jets will still allow it to start so will the pop off.
Change coil but I think you have an ignition issue. Timing or weak.
I had this sort of issue with my epic. I changed everything the only thing that fixed it was an msd
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yes that is my next move i just dont think you Can some off the old Flames too work with Big strokers.
 
W

waxhead

wannabe backflipper
Location
gold coast
Crankshaft degrees are crankshaft degrees. At tdc the pistion is still at the top.
The time taken at 7000rpm to turn 30 degrees of crankshaft rotation does not change with a stroker. It's just the distance the pistion moves that's different.
The cdi does not know where the pistion is only where the crankshaft is in degrees
 
stefan

stefan

Location
denmark
waxhead said:
Crankshaft degrees are crankshaft degrees. At tdc the pistion is still at the top.
The time taken at 7000rpm to turn 30 degrees of crankshaft rotation does not change with a stroker. It's just the distance the pistion moves that's different.
The cdi does not know where the pistion is only where the crankshaft is in degrees
Click to expand...
That sounds right soo that maybe the problem.
 
W

waxhead

wannabe backflipper
Location
gold coast
Huh ?
Some one is telling your porkies if thEy say it will not work on a stroker.It may not have the power required to fire the plug under the load but that because of a weak ignition not a problem of having a stroker.
 
stefan

stefan

Location
denmark
Soo again it will not work doo too weak spark ? That sounds strange peopel run stock ignition on strokers, i will change coil and see if it makes a diffrens.
 
W

waxhead

wannabe backflipper
Location
gold coast
I'm saying that maybe the issue. Think about this a stock ignition will run it but an aftermarket will not. What's wrong with this picture
 
EFI1200

EFI1200

waxhead said:
Crankshaft degrees are crankshaft degrees. At tdc the pistion is still at the top.
The time taken at 7000rpm to turn 30 degrees of crankshaft rotation does not change with a stroker. It's just the distance the pistion moves that's different.
The cdi does not know where the pistion is only where the crankshaft is in degrees
Click to expand...
Hey not trying to be smart but there is a slight difference in a stroker and none. Rod ratio changes the geometry of the rod angles and distances. This would effect a change in timing all together as well as strokers have more leverage on the rotating mass of the crank so if you have timing just a touch to high it will make it hard to start.

I do agree that they don't care what motor they are on stroker or not they fire where you have them set.
 
Big Kahuna

Big Kahuna

Administrator
Location
Tuscaloosa, AL
EME1200 said:
Hey not trying to be smart but there is a slight difference in a stroker and none. Rod ratio changes the geometry of the rod angles and distances. This would effect a change in timing all together as well as strokers have more leverage on the rotating mass of the crank so if you have timing just a touch to high it will make it hard to start.

I do agree that they don't care what motor they are on stroker or not they fire where you have them set.
Click to expand...
Crank Rotation does not change just because it is a stroker crank. 360 degrees is still 360 degrees. The only thing changing is how far the piston is traveling away from the crank.
 
EFI1200

EFI1200

Big Kahuna said:
Crank Rotation does not change just because it is a stroker crank. 360 degrees is still 360 degrees. The only thing changing is how far the piston is traveling away from the crank.
Click to expand...
Did you not read what I wrote? i know that there are 360 degrees in a circle but piston to bore positions are different with different rod ratios at different degrees so depending on rod ratio you want to set your timing differently.
 
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