lm7 build need help!
11-08-2012, 06:41 PM
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lm7 build need help! planning on building and lm7 for my 1987 trans am. new to these motors and wantinh some info or combo suggestions. race 1/8th mile and keep it fairly streetable. Car has th-350, ford 9 inch, spool and 456s. all umi adjustable suspenion and sub frame connectors. thanks for all the input and suggestions
11-08-2012, 07:22 PM
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More of a budget build. Lol would like to get some ideas of intake swaps and head, cam combos people have already done. Wish I had more cash haha
11-14-2012, 12:03 PM
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Keeping the bottom end stock? What are your goals for track results or horsepower?
For the cheapest good running engine i would mill heads and get them ported with larger valves, fast 92 or a ls6 intake, or get the bbk ssi if you dont have an ls6 and you get a good deal. and a proven cam.
I have a build thread with a 5.3l you can look at. I had ls1 intake valves in the heads and had a bbk intake with the tsp 233/239 cam. It ran really good but it spun a bearing before I could get to the track.
For the cheapest good running engine i would mill heads and get them ported with larger valves, fast 92 or a ls6 intake, or get the bbk ssi if you dont have an ls6 and you get a good deal. and a proven cam.
I have a build thread with a 5.3l you can look at. I had ls1 intake valves in the heads and had a bbk intake with the tsp 233/239 cam. It ran really good but it spun a bearing before I could get to the track.
