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ok i got a 3100 in my beretta right now im looking to put the 3400 topend on it i have the uim\lim just waiting for the heads from the 3400 to arrive. but my question is do i use the 3400 gaskets or the 3100 gaskets for the head ans the manifold.
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99 Grand Am GT
3400/3500 -Solid trans mount--TCE 65mm T-body---85mm LS2 maf---1 1/4' TCE intake spacers with 3400 upper--SLP Catback with flowmaster 80--TOG headers
Modded 3400 lifters with LT1 springs---Comp Cams 26986 Springs
1357 cam 227 233 .050 dur 515 515 lift 112 lsa
15.232@88.85mph on stock 3400---New time to come
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RE: 3100\3400 hybrid ques
Since you'd have the entire topend, the 3400 gaskets should be used there. For the head gaskets, since you are still at 3.1L displacement, use the 3100 head gaskets.-Brad-
89 Mustang : Future 60V6 Power
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Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog -
RE: 3100\3400 hybrid ques
ok cool thanks yeah i wasnt too sure which gaskets to still use and what ones not too. ok so 3100 head gaskets its is and 3400 for the manifolds. thanks for the helpsigpic
99 Grand Am GT
3400/3500 -Solid trans mount--TCE 65mm T-body---85mm LS2 maf---1 1/4' TCE intake spacers with 3400 upper--SLP Catback with flowmaster 80--TOG headers
Modded 3400 lifters with LT1 springs---Comp Cams 26986 Springs
1357 cam 227 233 .050 dur 515 515 lift 112 lsa
15.232@88.85mph on stock 3400---New time to come
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