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Guys running TFS 215's come in! Pushrod?

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Old 09-17-2010, 05:18 AM
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Default Guys running TFS 215's come in! Pushrod?

Ok, so I want to know what your pushrod length is and what your heads are milled to? Im currently at 61 and I run a 7.375 with YT rockers. Reason I ask is because I have not seen one person with shorter then a 7.400 and I set mine just like the paper said did. The had tight all the way then set the preload and messured.. what the hell is up with the pushrod length. I don't think I did any thing wrong and I did lots of research before I did this. Im just really confused.. I drive the car every day so Im thinking if it was off that much I would have messed somthing up by now?

Also forgot to add that Im running a .045 head gasket.

Last edited by justinj; 09-17-2010 at 05:43 AM.
Old 09-17-2010, 02:35 PM
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TFS 215 heads unmilled, .040 cometic gaskets, YT rockers. First used the recommended 7.50 pushrods and had ~.75-1.00 turns preload. Had too much noise, switched to 7.550 pushrods, now have ~1.5-1.75 turns preload and a much quieter valve train.

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Last edited by Russ K; 09-17-2010 at 03:01 PM.
Old 09-17-2010, 03:08 PM
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Originally Posted by justinj
Ok, so I want to know what your pushrod length is and what your heads are milled to? Im currently at 61 and I run a 7.375 with YT rockers. Reason I ask is because I have not seen one person with shorter then a 7.400 and I set mine just like the paper said did. The had tight all the way then set the preload and messured.. what the hell is up with the pushrod length. I don't think I did any thing wrong and I did lots of research before I did this. Im just really confused.. I drive the car every day so Im thinking if it was off that much I would have messed somthing up by now?

Also forgot to add that Im running a .045 head gasket.
Tell us how you came to that length? Which tool/method did you use?
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Old 09-17-2010, 03:15 PM
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And whether you set the geometry (wipe) first. Your rockers may be sitting too low and the wipe may be very skewed to the intake side resulting in a shorter pushrod requirement.
Old 09-22-2010, 06:44 PM
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Are you running a shorter lifter like Morel?
Old 09-22-2010, 06:58 PM
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220 "as cast" here but 7.5" here at 60.5cc with a GM MLS head gasket....
Old 09-22-2010, 08:25 PM
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That is by far the shortest i've seen too. On the positive side, i have a set of 7.5 pushrods if you need them with 4 dyno pulls lol!
What lifters like mentioned earlier?
Old 09-22-2010, 08:55 PM
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I am using 7.367 overall length (7.350 guage length) using Jesel rockers. This results in 0.050 preload on the Morel lifters. My 215s are milled to 61.5 cc and installed with MLS gaskets.
Old 09-22-2010, 10:34 PM
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My heads are milled .010, GM MLS .051 gaskets, LS7 lifters & 7.550 pushrods with YT 1.7 rockers. Got 1-1 1/4 turns preload so couldve even went a lil longer but its quiet. So Justin, how noisy is yours with the 7.375s?
Old 09-23-2010, 02:28 PM
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i'm using the first edition of tfs 215cc *they needed longer pushrods then usual, but where then changed because of valvecover knocking.....

it's 7.700 and harland sharp rockers , the heads are milled we tooke off .035 off them, and i'm using GM gaskets .051



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Old 09-24-2010, 09:50 AM
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Hey Justin what's up, this is the guy from Las Cruces (Fernando) that had contacted you about the engine you had on craigslist around the beginning of the year.

Anyways I am running 215's milled to 59 cc's and a 7.5 pushrod. That's wierd that yours are so short. As was asked already how noisy is it??
Old 09-24-2010, 10:17 AM
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My bad guys on not keeping up with this. Mine don't make alot of noise at all. After thinking about it, I think it's the wipe that I need to do. I'm sure it's not in the center like it should be. Hope it don't mess it up, but going to have to wait on the pushrods and checkers.(money is tight) I see a few guys on here running it short and you guys might want to check this. I just never thought about it when I was installing them, I seen that it was a little off but thought that was alright just as long as it was on it. Yah also man just sold the motor yesturday.

Also I'm using Comp R lifters.
Old 09-27-2010, 02:14 AM
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Default I'm confused

I have the 215 TFS with a MS3 cam and yellow terra etc. I was told I shouldnt mill my heads so I'm still at 64cc. This is a nitrous car 250 shot. Could I have milled those heads a bit to bump my compression up. I'm using a040 cometic gasket.
Old 09-29-2010, 05:53 PM
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58 cc's 11.6-1 c/r



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