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Author Topic: Timing with Trick flow 11r 205 heads  (Read 2146 times)
88DragStang
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Location: Palenville NY

« on: May 21, 2017, 08:58:59 pm »

Read in a few places that 29 degrees was the ideal total advance
Prior to reading that , i had it at 34 degrees
When i set it back , went from a 11.51 to a 11.80
So how is 29 degrees ideal?
Thank you in advance for any info
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juiced coupe
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« Reply #1 on: May 21, 2017, 10:18:15 pm »

Testing will tell you what is ideal. Anything else is just someone's guess.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
wywindsor
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« Reply #2 on: May 21, 2017, 11:05:31 pm »

It's not always how much timing you have, but  when you advance it. You can try different spring or if it's efi tune it.
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sleepy86coupe
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« Reply #3 on: May 22, 2017, 09:12:48 am »

All you really know so far is that it runs better with 34 than 29.... To find out what works best for your setup, go down to 32 and see how it reacts, then try 36.  Every car will like things a little differently, you need to try out different things to see what is best for yours.
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88DragStang
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« Reply #4 on: May 22, 2017, 09:19:18 am »

It's a locked dizzy
only had 1 time trial sun so i tried 29  and didnt want to change it
i will next weekend
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juiced coupe
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« Reply #5 on: May 22, 2017, 12:13:36 pm »

The reason for testing is that many things can change the timing requirements of a vehicle, even small changes.

Things such as spark plug heat range and/or electrode design, fuel type, even plug wire resistance can change timing requirements. And even those are assuming that the fuel system is tuned correctly.

Weather can have a even bigger impact.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
JFINELLI
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« Reply #6 on: October 16, 2017, 03:37:59 pm »

Mine runs 11.50's on the money with 32* timing. I didn't have the dist. Locked out so I'm curious to see how it responds to a trip back to the track at 36-38*.
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347HO
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« Reply #7 on: October 16, 2017, 04:00:32 pm »

Just curious....
Are you running very little compression...   Or lamp fuel?
Wondering why you state 38* all in and not locked.
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... it was REALLY revving at like 4K...
If I saw that thing in my rear view Im pulling over to let you by, I be scared of that thing Huh? i dont know wich car is uglier ur or mine?
Javier
Ugly?  Easy now -- that's my baby and it's got lots of unique character!  When I drop that built 445" stroker in it you won't have any time to "pull over to let me pass" because I'll have already blown past you when you figure out what the hell was that loud noise behind you . . .  
JFINELLI
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« Reply #8 on: October 16, 2017, 04:27:57 pm »

Assuming you're talking to me, I locked out the timing after the last track outing. Before I couldn't get it past 32-34 degrees (ran 11.50's). With it locked I can get it to 36-38 no problem. The car does have very low compression in it. It's a bone stock truck short block. After I reset the timing with it locked I drove it and it responded very well. It felt like a whole different car. That was the end of 2016 and on that drive I forgot to latch the hood and it blew up. I took the car in for paint and haven't seen it since.
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