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#1
03-18-2005, 09:53 PM
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mexican engine block
ok. heres the info. i'm getting a 71 mustang. he's giving me a shortblock 302 highout put motor with it. he says that theres a mexican block in the car now. can anybody tell me what size it might be or did they only make one size? he said its built better and is better to build. whats the HP i might expect from theses motors. also the 302 highout put has a mild cam in it.
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed. 
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#2
03-18-2005, 10:09 PM
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Re: mexican engine block
The mexican block he's refering to is likely a 302, I don't know of any others made in mexico. The mexican blocks were stronger than the normal 302 blocks, with thicker mains, and supposedly made of a metal with a higher nickel content for added strength. Stock it would be just like any other 302, so maybe 225-250 HP depending on heads, but the blocks are quite stout.
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#3
03-18-2005, 10:19 PM
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Re: mexican engine block
what might the high output be? also i know a guy that has a 95 5.0 mustang that says he can beat my 71. the motor thats in the 71 has a cam and intake and carb. his only has exhaust and headers. i don't know if the 71 one does or not.
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed.
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#4
03-19-2005, 02:20 AM
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Re: mexican engine block
Mexico only made a 302 block, since they were not regulated on there foundry process they made their blocks with a higher nickle content.
The only way to tell if its Mexican block, is to lift up the intake manifold, and it should have Mexico stamped in the lifter valley.
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 R32 GTR w/351w .020 forged, 8.9:1, PTK T76, Turbosmart 40 BC & 45 WG, Tial 40 BV, AFR 205s 310/245, 228/228 550/550 114 Hydro, 1.7rr, Isky RLs, 4" HKS exhaust, ARC 30x16x4 IC, 8 point cage, C2 gauges, 2 step, C4 3200 stall w/ R Manual & Hurst Ratchet shifter, 17" Panasport G7s, CSU 750 & bonnet, Vic Jr intake, 3.63 gears, Corbeau Carrera seats, Custom wide body, Bomex side skirts and rear 1/4 caps, Tommy Kaira bumper.
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