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Author
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Topic: 351w swap
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GOT 50
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Member # 1960
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posted
 
 
Isted of going power adder i am deciding to increacse my displacment as of now. I will be purchasing a rebuilt 351 block with kieth black pistions. I will be using edel heads 6037's and the rest of my suporting cart of parts on my 302 as of right now.
1st. what additional parts am i going to need?
The kit already has the swap pan.
I will also get the 351 lower trick flow intake
2nd. Should i get my heads ported while my car is taken apart?
3rd. What kinda power changes should i see. Just a huge increase in torque right now im at 277 hp and 301 trq. I atleast want 350 hp. Is my goal resonable?
Willl i be spanking fools after the swap?
Posts: 2139 | From: SF/DALY CITY/MILLBRAE | Registered: Oct 2002
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Elapid
GOROBGO
Member # 50
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posted
pan, balancer, motor mounts, headers, trans mount to match the motor mounts if you get drop mounts.
i rem sawson talking about using 302 parts on a 351 will make 302 power, so the 6037 heads might be a tad restrictive. a good porting job will help fix that! you might want to go with the bigger valves also assuming you have the 1.6/1.9 setup.
i see a lot of n/a 302s making 350 hp so i think it should be easier with the 351 for sure!
is it a roller cam 351 or flat-tappet?
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98 Cobra
83 Notch rolling chassis - fs
Posts: 1797 | From: Grass Valley, CA USA | Registered: Jul 2000
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88gt
Custom
Member # 579
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posted
With that combo, driving your car will feel like driving a tractor. You'll have a ton of low end torque, but you'll have nothing up top.
Posts: 1482 | From: Santa Clara/Bay area | Registered: Nov 2001
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GOT 50
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Member # 1960
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posted
gonna try to use a roller its the 66 ac cobra is selling. What will i have to do to make it pull up top. Porting the heads wont help it pull up top?
Posts: 2139 | From: SF/DALY CITY/MILLBRAE | Registered: Oct 2002
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Elapid
GOROBGO
Member # 50
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posted
it's all in the cam selection and intake runner length i believe.
with a roller cam 351 you should have some good choices available.
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98 Cobra
83 Notch rolling chassis - fs
Posts: 1797 | From: Grass Valley, CA USA | Registered: Jul 2000
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JoeT
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Member # 298
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posted
what usually happens when you throw your 302 parts on a 351 is you get 351 torque with 302 HP.
IMHO, re-evaluate your head/intake/cam selection.
I might be doing a 351 eventually, and a budget setup is something like TFS Hi-ports, TFS-R intake, and a N-91 cam ![[Big Grin]](biggrin.gif)
other options, AFR-185s/Vic Jr's, TFS-R intake/Edlebrock Victor for 351 EFI intake, and a cam.
just some thoughts. I've looked into it a lot, and if you throw your current heads/cam/intake on a 302 you will be dissapointed. ![[patriot]](graemlins/patriot.gif)
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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GOT 50
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Member # 1960
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posted
Thamnks for the info shade. I wasnt really sure on what i will need. Looks like i am going to build a complete new combo. Thanks.
Posts: 2139 | From: SF/DALY CITY/MILLBRAE | Registered: Oct 2002
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1SLOWLX
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Member # 558
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posted
Those heads won't really get you any power with that 351.
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Built Tuff with your stuff ;)
Posts: 5231 | From: bay area | Registered: Nov 2001
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cobraman_1994
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Member # 467
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quote:
Originally posted by shade-:
I might be doing a 351 eventually, and a budget setup is something like TFS Hi-ports
would you need to port those at all to get good numbers? i was thinking about those heads on a 351 too.
what are the specs on the n91 cam?
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86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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