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Thread: LSx Engine placement
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09-18-2008 #21
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Thats OK. I am still putting stuff together to install the engine anyways. How close the did the engine get to the firewall? And how much longer did you have to extend the driveshaft? Thanks...
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09-18-2008 #22
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The difference between the S&P and the hooker plates is the Hookers move the engine back about 1 1/8-1 1/4. ATS plates are somewere in the middle. I have the S&P, hooker, and the autotrans plates(these set the engine back 1". ATS appear to be the S&P flipped upside down. This places it somewere in the middle I believe. If I am wrong on the ATS someone please correct me.
With the hookers I have approx. 1/2"-5/8" clearance between the pass head and the firewall. If your subframe is not positioned correctly or you have worn body mounts I have seen pics of this clearance much tighter than that.
09-18-2008 #23
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that plate is on they way. let me know when you get it.
Chris V
SOLD
09-18-2008 #24
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I have about an 1" of clearance between the firewall and the head. I tried everything to get my driveshaft to work because it was brand new. No matter how low and far back i tried to get it there just wasnt room in the tunnel for everything to work and to get it back far enough. I ended up having the driveshaft lengthened like 1 3/4.
68 Camaro
LS2 6speed
Complete Hotchkis front and rear suspension, Global west SFC, 3rd gen steering box, C5 front rear discs w/ 4th gen booster and MC. 8.5" posi rearend with 30 Spline 12 bolt axles.
09-20-2008 #25
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ls1 nova, which plates do you currently have installed in your car now?
I would love to get a look at those hooker plates.
09-20-2008 #26
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Hooker plates
You mean something like the attached pic? Found that picture on LS1tech.com; http://www.ls1tech.com/forums/showth...=472609&page=3
09-20-2008 #27
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It might be a little more work, but technically it should be better to have the engine placed farther back.
I thought ATS plates put the engine as far back as possible, but now it looks like the Hooker plates do?
Matt
09-25-2008 #28
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Well I finally laid the engine in the car and it was a nice fit with the S&P style plates. I may just actually make another set and push the motor back another inch or so. I dont feel as though I want to go with the hooker style just yet, I dont see a need to mount the engine up higher. Thoughts?
09-25-2008 #29
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The bolt pattern is slightly deceaving. The hooker mounts allow you to use the "short frame stands and the "tall and narrow" engine mounts with the backing plates. I have the S&P plates from what I remember I had to use the "tall" frame stands and the "short" motor mounts. This placed the engine within a 1/16 of each other height wise. I used the hooker plates, frame mount E291 and motor mount 31118g,r from classic industry. The ls1 fell right into place, no prying or fighting, with the correct backing plate. Like I said before, the pass head is a little close and I would recommend aftermarket A arms for header clearance but this setup seemed very clean to me. Just my .02
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