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VA Speed 370 ci 1500hp street/strip engine

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Old 10-24-2009, 06:13 PM
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Originally Posted by LS6427
Thats the key I guess, knowing how to put it all together so you can get close to the max potential from a given turbo.

Or, is it better to build a single turbo set-up in a way where you are NOT getting close to the max output so it doesn't need to be pushed to the limit?

.
as Chris said,it's best to stay in the max efficiency range of the turbo-this can easily be calculated.

Originally Posted by z28boysteve
So if I upgrade to bigger head studs, and go solid copper gasket and 0-ring and hard-fill I can run 1500 hp out of a LQ9? With thick deck heads...?
it's not quite that simple-but with the proper machine work and prep the lq9 block will easily handle well over 1500hp

Originally Posted by Big_Bird_WS6
shawn. upgrading form the stock head studs to 1/2". what is all needed to be done. like can it be done with motor together?
it needs to be a bare block-the 1/2'' studs are not needed until over 1500hp

Originally Posted by 98Z28CobraKiller
Not to mention TFS's horrible customer service that mostly stems from obsurd response time.
i use alot of tfs heads-can't say i've ever encountered this problem
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Old 10-24-2009, 06:43 PM
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Cant wait to see this up and running!
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Old 10-24-2009, 10:36 PM
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Chris, motor looks awesome !! lets see the other bad boy! SAM
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Old 10-24-2009, 10:54 PM
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Thanks Sam. I have a mountain of parts collected up for the upgrade. I will have some pics of the race engine shortly.
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Old 10-25-2009, 01:30 AM
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Originally Posted by Shawn @ VA Speed
i use alot of tfs heads-can't say i've ever encountered this problem
Perhaps you can get a hold of them as a distributor. We have been waiting for a call back from them for a week regarding a defective set of heads that we are waiting to get replacements back on. Everytime we call we get voicemail.

EDIT: I should clariify that the call back that we have been waiting for is from TEA not TFS. Although they do share the same address.
Last edited by 98Z28CobraKiller; 10-25-2009 at 01:36 AM.
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Old 10-26-2009, 08:25 AM
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Originally Posted by 98Z28CobraKiller
Perhaps you can get a hold of them as a distributor. We have been waiting for a call back from them for a week regarding a defective set of heads that we are waiting to get replacements back on. Everytime we call we get voicemail.

EDIT: I should clariify that the call back that we have been waiting for is from TEA not TFS. Although they do share the same address.
That's why most times it's better to work with a dealer instead of the main company-they usually don't have the staff for individual customers
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Old 10-26-2009, 05:58 PM
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most of you guys that are in this thread are running a 370 lq9. what rpm's are you guys shifting at?

in a couple yrs i will be enjoying a virginia speed double o ring block myself congrads OP
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Old 10-26-2009, 09:27 PM
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Originally Posted by airforcemanss
most of you guys that are in this thread are running a 370 lq9. what rpm's are you guys shifting at?

in a couple yrs i will be enjoying a virginia speed double o ring block myself congrads OP
Was spinning the old 370 to 7000, we will have to see where this one is happy. Different heads and a little bigger cam and much better valvesprings.
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Old 10-26-2009, 10:00 PM
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Looks like a stout setup. I want to see those heads perform
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Old 10-26-2009, 10:11 PM
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looking nice, trans is back for mine going too the track saturday if the weather permits!!!
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Old 10-27-2009, 09:17 AM
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Originally Posted by DopeFedZ
Looks like a stout setup. I want to see those heads perform
I know, me too! I never even saw them. They went right from you to Shawn. All I have is **** pics!
















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Old 10-27-2009, 09:26 AM
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Has the block been modified for 6 bolt? Or are you just going to run them with 4 bolts?
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Old 10-27-2009, 09:30 AM
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Iron block, we are just utilizing 4 bolts on this one.

Here are some of the guts....













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Old 10-27-2009, 10:59 AM
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Dayum thats nice. Lookin good!!
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Old 10-27-2009, 11:22 AM
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I swear, some people on here make it look so easy

Looks great bro, should make a **** ton of power
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Old 10-27-2009, 11:41 AM
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sick build, cant wait to see it finished!


Originally Posted by Shawn @ VA Speed
it's best to stay in the max efficiency range of the turbo-this can easily be calculated.
and how do you do this? is there a formula? im tring to figure out what turbo i need to go with next!
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Old 10-27-2009, 11:59 AM
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Dumb question but why 370 as opposed to 402? I've seen that a lot more recently.
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Old 10-27-2009, 12:15 PM
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Originally Posted by kozak
Dumb question but why 370 as opposed to 402? I've seen that a lot more recently.
The 370 is a great match for the GT47-88 turbo. 400+ cubes would be a little too much for the turbo. There wasn't a whole lot of room to go to a larger turbo with the current kit.
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Old 10-27-2009, 12:45 PM
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I feel privelaged to have the early spy photos before they hit the mainstream, LOL.

But, we all have to know: Does it have ROLLER CAM BEARINGS? (inside joke).

Can't wait to see her run.
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Old 10-27-2009, 12:50 PM
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Originally Posted by 382ssz28
I feel privelaged to have the early spy photos before they hit the mainstream, LOL.

But, we all have to know: Does it have ROLLER CAM BEARINGS? (inside joke).

Can't wait to see her run.
i was waiting for that one Brian.

being this is only a second rate motor,it just has the std cam bearings
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