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#101
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Re: Project Blown 305
Having trouble finding the conversion parts for sale. In the trans section it just lists what they came with from the factory.
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
#102
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Re: Project Blown 305
THAT and a supercharger!
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"Excuse the rust I use my truck" 1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1964 Chevy C20 292/SM420 1966 Chevy C10 292 hotrod 6/TKO600 My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. |
#103
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Re: Project Blown 305
Any links to the specific conversion parts page?
I only had luck finding people asking about it
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
#104
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Re: Project Blown 305
Going slow.
Been tinkering on a few other projects (trans am is pitching a fit, celica is getting closer to being v6 powered and the Z is closer to drivable lol) Did source the tubing. The blower is awesome to stare at!
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
#105
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Re: Project Blown 305
Little progress is better than no progress.
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"Excuse the rust I use my truck" 1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1964 Chevy C20 292/SM420 1966 Chevy C10 292 hotrod 6/TKO600 My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. |
#106
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Re: Project Blown 305
Definitely!
The truck hasn't seen much but the celica trans am and Z have seen a ton and the weird swap for the chevelle is gathering parts fast(although you guys will not like that idea, especially what's his face that was blasting me for building a v6 over a Chevy 8 lol, might make him cry!) The celica is so close to having a 3.5L V6 and the 300zx is close to one piece and almost road legal. The firebird is eating starter gears and flywheels but at least i have it almost in one piece and close to running well. Another thing I came up with, so given I had the 3D printer I'm thinking it might be advantageous to print myself a piston, rod and crank throw to test fit to see if I can really offset grind to 5.18" stroke. I think that shouldn't be a difficult task I can glue in whatever Isn't printable to match the crankshaft.
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
#107
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Re: Project Blown 305
478's are mine, my plan is currently to try to swap one 478 in to replace the 350 Chevy, I need a 379/432 flywheel if anyone has the small one.
That's the main hurdle, I'm going to rock the stock manifolds since I don't want to build two sets of headers (one set for magnum heads and another when the blower stuff comes together for the standard ones) Magnum heads don't work for me so I'll have sets for sale. Progressively getting there!
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
#108
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Re: Project Blown 305
You will need a 379 Flywheel for a bolt on installation or an early 62-63 478 flywheel that can be modified. The 432 Flywheel is much larger in diameter and won't fit in the light duty truck bell housing. The other alternative is a custom Flywheel which is the route I chose but it must be balanced with the whole reciprocating assembly, a pic of the custom flywheel is included here
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#109
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Re: Project Blown 305
A couple points on the crank plan:
2" SBC journal is pretty small, for strength and for lack of journal overlap. Add a blower and cracks are almost a certainty. Reducing journal size by offset grinding only adds the amount of stroke that journal is reduced by, not double. 2.2 BBC gives up to .600 more stroke, .300 throw. Welding would allow more, obviously, and/or bigger journals. 7.2" rods stock, easy enough to source longer BBC/BBM spec ones. Sonic checking any old iron block is a good idea. It's not improbable that it would go .125 over with meat to spare. 5.25 Continental aircraft pistons are light. |
#110
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Re: Project Blown 305
If you move it out 0.811 on one throw (2.811 to 2.0) double it and it gives you the stroke increase since that would be the bottom and the top of the cylinder.
We shall see what the machinist recommends. If he says it's doable I'll give it a shot. It won't see much more than 8psi. No need to spin a big roots that hard. I've got a headgasket lined up. Cometic will do copper ones if I send in my old one. Je said they can do pistons around that size. Rods will be interesting as is prefer to buy em off the shelf.
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1936 Chevy master coupe unknown drivetrain 1966 C20 350/sm420 (body swap to 454/sm465 4x4) 1967 Chevelle (duramax/4l85e planned) 1971 Triumph Stag 3.0 v8/4 speed 1971 Cutlass 350olds/350 1975 Trans am 455/t56 1991 300zx TT 1992 Celica GT 2Gr v6 swap 1999 F150 4.6/4r70w (2.1KB, t56 planned) 1992 Stealth RT/TT 1992 Typhoon 1988 Corolla GTS 1992 SVX manual swap 1966 mustang GT (burnt in barn fire but will be back) 1966 polara wagon (383/727) 1953 dodge B series pickup. |
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