370's are fine. and that manifold was super globbed up (not by me) but its definately strong now lol. no cracks or anything.
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Just throwing it out there, by the looks o your car you can make anything work on it.
1983 AE71 Corolla- 16v 4age... racecar
1993 D21 Hardbody- a/c, music... grocery getter
- Garrison -