Ignition retarding at high rpm
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- Dave-R
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Never thought I would so completely agree with you Adam.Brutus wrote:The pump shots are doin 90 percent of the work on the 60 fts , rest is P/S jetting , adjustments to high speed air bleeds (HSABs) helps a bunch too.![]()
Get the pump shots dialed in right , correct P/S jetting , right plugs for the combo , correct spark lead , HSABs , right size carb..........................no need to faf around with timing.

If you feel you have to use the high rpm retard could you not wire the 1st stage retard into a second tach switched via the shift light? , that way you can 'dial' in the retard @ any rpm.
The motor won't know whether you're in 1st 2nd or top , so if you think the retard is necesary @ a certain rpm then it won't hurt pulling timing out in any gear.
Just a thought.

The motor won't know whether you're in 1st 2nd or top , so if you think the retard is necesary @ a certain rpm then it won't hurt pulling timing out in any gear.
Just a thought.

Who knows not tried it yetBrutus wrote:No need for that high speed retard then.AllKiller wrote:Like mine
Called trial but with out the error
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You need to sort the HSABs first, then rejet for a flat A/F mix, then sort the idle bleeds if needed.Brutus wrote:The pump shots are doin 90 percent of the work on the 60 fts , rest is P/S jetting , adjustments to high speed air bleeds (HSABs) helps a bunch too.![]()
Get the pump shots dialed in right , correct P/S jetting , right plugs for the combo , correct spark lead , HSABs , right size carb..........................no need to faf around with timing.
Choosing the right carb should have been your first choice

What size Acc Pumps are being used, pump shot, squirter size, are they covering the the launch, before the main jets take over... do you have a spacer
All this is attributable to initial rich/lean holes in performance

ALL KILLER NO FILLER
Nostalgia, its not what it used to be.
Carbon footprint of a Saturn V

Nostalgia, its not what it used to be.
Carbon footprint of a Saturn V

- Cannonball
- Posts: 17242
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any interpreters on this site, 

www.dwatts80.fsnet.co.uk
WATTS RACING TRANSMISSIONS, CLOBBER THE COMPETITION ITS CLOBBERIN TIME
OFTEN OUTNUMBERED NEVER OUTGUNNED,
HEY WHATS THE TOP END ON THAT SUPERSPORTS. UNLIMITED,
I HAVE A NVQW
LIFE GOES PRETTY FAST, IF YOU DONT LOOK ROUND A WHILE YOU MAY JUST MISS IT,
THE PASS IS THE JUICE,
LOVED BY FEW,
HATED BY MANY
RESPECTED BY ALL
WATTS RACING TRANSMISSIONS, CLOBBER THE COMPETITION ITS CLOBBERIN TIME
OFTEN OUTNUMBERED NEVER OUTGUNNED,
HEY WHATS THE TOP END ON THAT SUPERSPORTS. UNLIMITED,
I HAVE A NVQW
LIFE GOES PRETTY FAST, IF YOU DONT LOOK ROUND A WHILE YOU MAY JUST MISS IT,
THE PASS IS THE JUICE,
LOVED BY FEW,
HATED BY MANY
RESPECTED BY ALL
Tis coming from you Steve , you ask me to check your plugs & give you a tuning window when running the gas , when the motor does'nt perform you argue i gave you the wrong jet spread & timing figure , how can you expect to run decent times with no purge solinoid? , i run good #s on the spray so must be doin something right
, maybe read you're own plugs next time out & see what you pick up.
The ONLY damage on the motor is a lifted land , caused by arming the gas in the water box , NOT a tuning issue , when you can pull a plug that looks like it came out the box then you're somewhere close.
Every thing i post you argue the point , marbe sit back & have a think , did'nt realise my previous posting had to be in order , sorry , think were suffering from the same dillema goin by your previous post.


The ONLY damage on the motor is a lifted land , caused by arming the gas in the water box , NOT a tuning issue , when you can pull a plug that looks like it came out the box then you're somewhere close.

Every thing i post you argue the point , marbe sit back & have a think , did'nt realise my previous posting had to be in order , sorry , think were suffering from the same dillema goin by your previous post.

