Big block into early 65 Cuda ??
#1122111
11/26/11 11:17 PM
11/26/11 11:17 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
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Kalispell Mt.
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So I hate headers but lately I have been thinking about throwing one of my spare big blocks in my spare 65 cuda. I know the factory never put them in so there are no manifolds made for this. My question is what (if any) exhaust manifolds will work for this swap?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Big block into early 65 Cuda ??
[Re: HotRodDave]
#1122112
11/26/11 11:19 PM
11/26/11 11:19 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
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and what about motor mounts?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Big block into early 65 Cuda ??
[Re: GO_Fish]
#1122115
11/27/11 12:54 AM
11/27/11 12:54 AM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
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No exhaust manifolds means I will not put a BB in it.
Now....
Has any one ever put a BB in an early A with ex manifolds?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Big block into early 65 Cuda ??
[Re: HotRodDave]
#1122116
11/27/11 01:14 AM
11/27/11 01:14 AM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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68-70 B body HP ex manifolds will fit w a B (383/400) IF manual steering. I'm doing one as we speak. reportedly max wedge manifolds will also & I saw a pic of an early A with MW manis and a 440. In rare cases a 727 will fit with only flattening the pinchweld on the firewall downward slope but most need a section of it to be cut/raised. Streetmaster mts (if still in business). regular center sump BB pan. Hooker fenderwell super comps 5215 or 5205 (one is 1&7/8, one is 2" forget which is which) will fit on the dr side and 1 or 2 tubes on pass side need reworked. Use as much alum items to reduce the front heavyness, water pump/housing/M/C/intake/rad/wheels/(fiberglass) bumper. www.speedwaymotors.com has 1&7/8 ex tubing extra bends for cheap. There's more varation/stackup of tolerances on early A's than any group I've ever seen & reportedly even an RB has in several cases fit w the above mentioned 68-70 manis.
live every 24 hour block of time like it's your last day on earth
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Re: Big block into early 65 Cuda ??
[Re: dogdays]
#1122118
11/27/11 01:29 PM
11/27/11 01:29 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
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I will trade you a 440 motor home engine, a good 413, a good 383 with 906 heads, 69 440HP bare block, a 71 230 casting 400 complete std bore engine, and a set of BB HP manifolds and you give me a 408 SB and 340 HP manifolds, so we have a deal? I have been trying to sell my BB stuff to buy SB stuff but no one is biting. I can re-ring and bearing the 440 throw some 516 heads on with a little port work and make more TQ and HP than a bare bones 408. I am a dyed in the wool SB guy but for the budget on this car I can go high 11s real cheap and easy with a 440, any faster and it needs a roll bar and I don't want one. Beleive me I would rather do a stroker SB but I don't have a ton of parts sitting around for it. I would have to buy pistons and crank and pay for balancing, rings, bearings, gaskets, and boreing at a minimum. The 440 can just get new gaskets rings and bearing and be a good running motor. I can build a good trans with my spare parts for either motor, I have a couple 8.75 a body rears, either motor will need new exhaust because the car was a slant six, I want to ditch the funky drive shaft so either motor will need a different shaft. If I had the $$$ to build the 408 then why not use that $$$ to put the 413 crank in the 400? So unless someone wants to buy all my BB stuff and leave enough $$$ to build a stroker SB then the BB will probably end up in the car. Besides, I have never really had a BB car so mabey I should take a sip of the BB cool-aid 
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Big block into early 65 Cuda ??
[Re: slantzilla]
#1122122
11/27/11 04:22 PM
11/27/11 04:22 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Once you've gone BB you'll wonder why it took so long!
The only smallblock I have is the 360 in my truck and that's just because it was there and has plenty of power. Too much hassle to swap.
BB's are dirt cheap to build on a budget if you're staying under 500 hp. and start with a good core.
As far as fitment into an early A, I'd go with the low deck block to start with.
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Re: Big block into early 65 Cuda ??
[Re: Kern Dog]
#1122125
11/27/11 08:17 PM
11/27/11 08:17 PM
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Joined: Aug 2003
Posts: 4,384
Madison Wi
NTOLERANCE
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master
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Madison Wi
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Somewhere I have pics of an early valiant with an early hemi.
No headders, log manifolds.
I'd have to power up the cold windows 98 computer (its in pieces) to find them.
I used to care but....... things have changed
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Re: Big block into early 65 Cuda ??
[Re: HotRodDave]
#1122126
11/27/11 09:05 PM
11/27/11 09:05 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I will trade you a 440 motor home engine, a good 413, a good 383 with 906 heads, 69 440HP bare block, a 71 230 casting 400 complete std bore engine, and a set of BB HP manifolds and you give me a 408 SB and 340 HP manifolds, so we have a deal? I have been trying to sell my BB stuff to buy SB stuff but no one is biting.
I can re-ring and bearing the 440 throw some 516 heads on with a little port work and make more TQ and HP than a bare bones 408. I am a dyed in the wool SB guy but for the budget on this car I can go high 11s real cheap and easy with a 440, any faster and it needs a roll bar and I don't want one. Beleive me I would rather do a stroker SB but I don't have a ton of parts sitting around for it. I would have to buy pistons and crank and pay for balancing, rings, bearings, gaskets, and boreing at a minimum. The 440 can just get new gaskets rings and bearing and be a good running motor. I can build a good trans with my spare parts for either motor, I have a couple 8.75 a body rears, either motor will need new exhaust because the car was a slant six, I want to ditch the funky drive shaft so either motor will need a different shaft. If I had the $$$ to build the 408 then why not use that $$$ to put the 413 crank in the 400? So unless someone wants to buy all my BB stuff and leave enough $$$ to build a stroker SB then the BB will probably end up in the car.
Besides, I have never really had a BB car so mabey I should take a sip of the BB cool-aid
I can build up a 396ci if you want to swap that stuff
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Re: Big block into early 65 Cuda ??
[Re: MR_P_BODY]
#1122127
11/27/11 09:07 PM
11/27/11 09:07 PM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
I Live Here
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Kalispell Mt.
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Quote:
Quote:
I will trade you a 440 motor home engine, a good 413, a good 383 with 906 heads, 69 440HP bare block, a 71 230 casting 400 complete std bore engine, and a set of BB HP manifolds and you give me a 408 SB and 340 HP manifolds, so we have a deal? I have been trying to sell my BB stuff to buy SB stuff but no one is biting.
I can re-ring and bearing the 440 throw some 516 heads on with a little port work and make more TQ and HP than a bare bones 408. I am a dyed in the wool SB guy but for the budget on this car I can go high 11s real cheap and easy with a 440, any faster and it needs a roll bar and I don't want one. Beleive me I would rather do a stroker SB but I don't have a ton of parts sitting around for it. I would have to buy pistons and crank and pay for balancing, rings, bearings, gaskets, and boreing at a minimum. The 440 can just get new gaskets rings and bearing and be a good running motor. I can build a good trans with my spare parts for either motor, I have a couple 8.75 a body rears, either motor will need new exhaust because the car was a slant six, I want to ditch the funky drive shaft so either motor will need a different shaft. If I had the $$$ to build the 408 then why not use that $$$ to put the 413 crank in the 400? So unless someone wants to buy all my BB stuff and leave enough $$$ to build a stroker SB then the BB will probably end up in the car.
Besides, I have never really had a BB car so mabey I should take a sip of the BB cool-aid
I can build up a 396ci if you want to swap that stuff
PM me if your serious 
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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and get out the sawzall and cut those inner fenders for headers... not like non-formula S gen 1's command any money... may as well have some fun!
)
thses are supposed to fit nice, but they are probably worth more than the car...