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1987 Caprice LQ4 Swap/Build thread!!

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Old 09-01-2012, 10:12 PM
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Im about to check your thread out after this post....

I got mine installed today ...took me forever man...darn engine mounts was giving me HELL. They wouldnt line up for **** but after swappin em twice i got it to sit down in there. Accessories going on 2mar...hopefully running also...with the headers i have, on the passenger side i have to grind the ear off and they clear fine....

Here is an installed pic.
Attached Thumbnails 1987 Caprice LQ4 Swap/Build thread!!-2012-09-01_19-45-34_387.jpg   1987 Caprice LQ4 Swap/Build thread!!-2012-09-01_19-45-14_338.jpg  
Old 09-02-2012, 11:44 AM
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Glad to see you made it through the storm ,and got the engine in. This gives me even more motivation to finally start on mine.
Old 09-02-2012, 04:48 PM
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Looking good, that's where I had the most trouble with the mounts. I just made my own.

Last edited by ihavetoomuchstuffman; 09-02-2012 at 06:00 PM.
Old 09-03-2012, 06:31 AM
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Looking good .....really coming together
Old 09-03-2012, 09:31 PM
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looks good. i had the same problem too on my gbody.....finally figured it out today. sits in place like a glove.
Old 09-10-2012, 08:40 AM
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Thanks Greenturtle, weather was a bummer here a full week..

Toomuchstuff, it wasnt more so the transdapts, it was the stock mounts that i was having trouble with, smh...but thats all said and done now. Got other issues now, lol.

70 LSmaro and lselco, appreciate that guys. Im running into another problem. THOSE DARN EBAY HEADERS, smh..So I bought those to test the engine with and i was going to purchase hedmans or pacesetters once i got the engine up and running, BUT these headers fc*n SUCK...well at least on the passenger side. The driver side fit almost better than a stock manifold but on the passengers side, the flange is warped BAD, and the primaries are so bulky and not fitting right. So now im stuck with no header on passenger side or put it there and have a bad exhaust leak. I've cut a primary out just to get it to fit and welded a piece of pipe in there, NOT PRETTY but they were cheap headers so oh well. I cut 1" from flange and 1/4" from pipe to get extra clearance from frame. fits good now but that darn flange is so warped on the back 2 exhaust ports. So today when i get off work i will remove them again, takes all but 15 seconds, and get a ruler and lay across the flange and grind down the uneven part..Hope that works until i get the final set of headers. Just need to crank this thing up.

Last edited by 87caprice318; 09-12-2012 at 10:50 AM.
Old 09-12-2012, 10:48 AM
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For the anyone that know for sure

Which headers fit the best in these cars?? Read the pacesetters fit perfectly and the Hedmans fit with minimal mods...BTW if it helps, I'm using the 1" setbacks also.

The Pacesetter 2256

or

Hedman 68534

Need to order one or the other today to be here for Friday
Old 09-12-2012, 11:48 AM
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Depending on how far you have your engine set back, I got a buddy that has a LQ9 in his 1979 Impala 2 door and he's using pacesetter TBSS headers. Also, a few of the Tri-9 Imapala SS guys are using F-Body Pacesetters, and said they fit great. I'm not too sure of the frame differences (minor I'm sure) but that's my .02.

I definitely prefer the car on the current wheels. I say 2/3 piece or nothing at all personally.
Old 11-21-2012, 01:13 PM
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Originally Posted by 87caprice318
Hey guy....quick question about milling the 317s on my LQ4..The cam Im wanting to use is the EPS 234/246 or 236/248....Either one of those. I have to have that choppy idle also so im going to call Geoff and see what he says...But with either of those cams, would i have to flycut by milling the 317s .030 or .040??????
As someone with a 6.0L with a EPS 234/246 in a Caprice, I would suggest a slightly smaller cam so you don't have to wind it out as far/hard to get a fat granny tank Caprice moving.
Old 12-02-2012, 11:18 AM
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Originally Posted by GA95DCMSS
Depending on how far you have your engine set back, I got a buddy that has a LQ9 in his 1979 Impala 2 door and he's using pacesetter TBSS headers. Also, a few of the Tri-9 Imapala SS guys are using F-Body Pacesetters, and said they fit great. I'm not too sure of the frame differences (minor I'm sure) but that's my .02.

I definitely prefer the car on the current wheels. I say 2/3 piece or nothing at all personally.
Are you referring to beertestr?
Old 12-19-2016, 08:09 PM
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Hey, beatifull car and swap i just bought 1984 caprice and im looking to swap either 5.3l or 6.0l v8 is there any little things with the stock computer that i should know about that you learned from.



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