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520rwhp N/A stock bottom LS1....

 
Old 06-23-2018, 08:41 PM
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How close to coil bind do you shim your springs?
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Old 06-23-2018, 09:37 PM
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Originally Posted by G Atsma View Post
How close to coil bind do you shim your springs?
I'd need to go back and look at the notes....but..IIRC...0.040" sounds familiar .

Also taking into consideration the closed and open pressures at that height.

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Old 06-24-2018, 12:14 AM
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Did the 3/8 pushrods fit right in, or did you have to make clearance for them on the block or heads?
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Old 06-24-2018, 09:02 AM
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ok more tech questions...… what is the compression ratio? and this is just a Hydraulic roller correct? was it degreed? also what fuel pump are you running and what Dyno #s did you get on pump gas? and I know this this isn't your Daily but just for giggles what did you get mph wise just a guess lol
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Old 06-24-2018, 09:08 AM
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Originally Posted by NSFW View Post
Did the 3/8 pushrods fit right in, or did you have to make clearance for them on the block or heads?
.
Yes, sir....3/8" dropped right in. Trend single piece tapered ends.

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Old 06-24-2018, 09:20 AM
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Originally Posted by Omega Doom View Post
ok more tech questions...… what is the compression ratio? and this is just a Hydraulic roller correct? was it degreed? also what fuel pump are you running and what Dyno #s did you get on pump gas? and I know this this isn't your Daily but just for giggles what did you get mph wise just a guess lol
.
~Static is around 11.8:1-ish for the E (it was 11.3:1-ish when on pump 91oct)
~Yup, hydro roller
~Lined up dot to dot...let her eat
~Single Walbro E450
~Back when it was on pump 91oct and no vacuum pump....it did 500rwhp...but that was also a different cam
~You asked mph..I'm assuming you meant mpg ? If so, in 6th gear doing 75...it would get upper 20's per gallon. But remember, I'm on a MT 325's (28") in 6th gear...it was only turning 1700rpm.

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Last edited by LSOHOLIC; 06-24-2018 at 10:12 AM.
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Old 07-08-2018, 04:10 PM
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Not to sound uneducated, but what causes vacuum at upper rpms? Seems like I heard the tuner say mine was pulling vacuum at wot
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Old 07-08-2018, 05:12 PM
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Originally Posted by timothy_5326 View Post
Not to sound uneducated, but what causes vacuum at upper rpms? Seems like I heard the tuner say mine was pulling vacuum at wot
Not enough intake capacity. The engine wants MORE!
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Old 07-31-2018, 06:32 PM
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Originally Posted by timothy_5326 View Post
Not to sound uneducated, but what causes vacuum at upper rpms? Seems like I heard the tuner say mine was pulling vacuum at wot
... how much vacuum ? ...
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Old 07-31-2018, 06:40 PM
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Brian Tooley strikes again
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