[Gmecm] Crane Gold self-aligning rockers.

[Roger Danzy]

----- Original Message ----- 
From: "Mark Romans" <romans at starstream.net>
To: <gmecm at diy-efi.org>
Sent: Thursday, March 24, 2005 11:57 PM
Subject: Re: [Gmecm] Crane Gold self-aligning rockers.


>
> Roger, have you diacomed it to see how much timing the ecm is pulling out 
> at WOT and 32 deg total timing?
> I had 11.1:1 compression ratio, L98 Heads LT4 Hot cam 1.6 GM Perf Parts 
> Roller rockers, headers and superram and was never able to run
> more than 23 deg at WOT and still picked up couple of degrees of retard 
> once in a while.  I don't think the stock GM head
> is that much better  (Combustion chamber design) that I would need 9 
> degrees less timing.
> IF you are running a stock tpi set up, it may be acting like a restrictor 
> plate and so it doesn't get enough air/fuel to detonate.
> How tight do you buzz it?
> Mark
> ----- Original Message ----- 
> From: "Roger Danzy" <rdanzy at cox-internet.com>
> To: <gmecm at diy-efi.org>
> Sent: Thursday, March 24, 2005 7:21 PM
> Subject: Re: [Gmecm] Crane Gold self-aligning rockers.
>
>
>>I have a TPI 350.  The block is pre '79, Lunati hyd roller cam and kit 
>>with Crane Gold roller rockers with guide plates, spring seat pressure 
>>130, valve adjustment 0 plus 1 turn.  Compression ratio is 10.9, heads are 
>>Edelbrock aluminum, gas is pump 93 octane.  Knock sensor is stock '86 TPI 
>>installed dry.  I run 32 total spark advance above 2400 rpm, ignition is 
>>stock TPI 87 - 92 with an Accel Super coil.  I only get 8 to 10 knock 
>>counts at startup and none while driving unless I really lug the engine in 
>>the 1200 to 1600 rpm range in 5th or 6th gear.  I never hear any knocks.
>>
>>
>> ----- Original Message ----- 
>> From: "Osku Sneits" <ecm at asdf.org>
>> To: <gmecm at diy-efi.org>
>> Sent: Thursday, March 24, 2005 5:35 AM
>> Subject: [Gmecm] Crane Gold self-aligning rockers.
>>
>>
>>>
>>>
>>> There has been a whole lot of talk lately with the ECM's knock system 
>>> and
>>> Crane's rockers. I just wondered, if there's anyone else on this list,
>>> that successfully runs these rockers without increasing the knock count,
>>> besides me?
>>>
>>> ---
>>>
>>>
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>
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