SBC Headers with NV3500? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Winola73 · 03-22-2010, 10:02 PM

Anyone running an NV3500 behind a SBC with full length headers? Any issues with clearance at the slave cylinder? I have NIB ceramic coated mid length headers for an '89 that I know will work with this trans but not sure about the '66 body and frame. Besides I really rather run full length headers anyway. TIA

Schwinn68 · 03-22-2010, 11:14 PM

I'm subscribing as I plan on running a very similar combo and would like to know too

Winola73 · 03-23-2010, 04:25 PM

We'll have to compare notes, I'm just "down the road" in Western IL near the QC.

**Captainfab** · 03-24-2010, 01:33 AM

I have my doubts that those '89 headers are going to fit the '66 frame. The '88 and later pickup frames are a bit wider than the '87 and earlier frames. Do you have the engine and trans in the frame yet?

Winola73 · 03-24-2010, 03:45 PM

Quote:

Originally Posted by Captainfab

Do you have the engine and trans in the frame yet?

No but it has a 350 and the SM420 in it now that are coming out. I can try the headers for frame fit when we pull the old engine. They are leftover from an old project, I just thought I might be able to use them if full length headers won't clear the clutch setup on the 5 speed.

protrash64 · 03-24-2010, 04:31 PM

I used 88-94 pick-up shorty's on mine and they fit. Dont know about the long tubes, however.

Winola73 · 03-24-2010, 08:01 PM

Here are headers like what I have........

Schwinn68 · 03-24-2010, 10:48 PM

I hope they fit, that sure is a clean looking engine

Walts_restoration · 03-24-2010, 10:50 PM

internal or external slave? thats only thing i think would be the problem. Then again i have no expeirence in nv3500/4500 swaps.

Winola73 · 03-25-2010, 02:06 PM

Quote:

Originally Posted by Schwinn68

I hope they fit, that sure is a clean looking engine

Not mine, those were the pics from the eBay auction. Mine is still a greasy lump in the corner of the garage and boxes of parts in the computer room at this point. It's off to the machine shop soon though.

The slave cylinder mounts in a kickout in the bellhousing near the starter.

Winola73 · 03-25-2010, 05:07 PM

Found these Hedmans, I think they'll work.........

Winola73 · 04-01-2010, 09:40 PM

These hit the firewall.......

[/QUOTE]

03-22-2010, 10:02 PM	#1
Winola73 Registered User Join Date: Jan 2007 Location: Midwest Posts: 262	SBC Headers with NV3500? Anyone running an NV3500 behind a SBC with full length headers? Any issues with clearance at the slave cylinder? I have NIB ceramic coated mid length headers for an '89 that I know will work with this trans but not sure about the '66 body and frame. Besides I really rather run full length headers anyway. TIA

03-22-2010, 11:14 PM	#2
Schwinn68 Registered User Join Date: Mar 2010 Location: Minooka IL Posts: 191	Re: SBC Headers with NV3500? I'm subscribing as I plan on running a very similar combo and would like to know too __________________ Ben _____________________________________ 1971 Chevy shortbed 350/4-speed sold 2005 Chevy Duramax EC/4x4 Local 597 Pipefitters certified TIG MIG and stick welder

03-23-2010, 04:25 PM	#3
Winola73 Registered User Join Date: Jan 2007 Location: Midwest Posts: 262	Re: SBC Headers with NV3500? We'll have to compare notes, I'm just "down the road" in Western IL near the QC.

03-24-2010, 01:33 AM	#4
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,252	Re: SBC Headers with NV3500? I have my doubts that those '89 headers are going to fit the '66 frame. The '88 and later pickup frames are a bit wider than the '87 and earlier frames. Do you have the engine and trans in the frame yet? __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE

03-24-2010, 04:31 PM	#6
protrash64 Resistance is Futile Join Date: Dec 2006 Location: Mesa,Arizona Posts: 3,520	Re: SBC Headers with NV3500? I used 88-94 pick-up shorty's on mine and they fit. Dont know about the long tubes, however. __________________ 64 CHEVY PICK-UP > http://67-72chevytrucks.com/vboard/s...otrash+re-hash 64 CARRYALL >http://67-72chevytrucks.com/vboard/s...=1964+suburban 66 LB >http://67-72chevytrucks.com/vboard/s...d.php?t=427852 STRENGTH/DETERMINATION/MERCILESS/FOREVER .......posted via stationary device

03-24-2010, 08:01 PM	#7
Winola73 Registered User Join Date: Jan 2007 Location: Midwest Posts: 262	Re: SBC Headers with NV3500? Here are headers like what I have........

03-24-2010, 10:48 PM	#8
Schwinn68 Registered User Join Date: Mar 2010 Location: Minooka IL Posts: 191	Re: SBC Headers with NV3500? I hope they fit, that sure is a clean looking engine __________________ Ben _____________________________________ 1971 Chevy shortbed 350/4-speed sold 2005 Chevy Duramax EC/4x4 Local 597 Pipefitters certified TIG MIG and stick welder

03-24-2010, 10:50 PM	#9
Walts_restoration Real Projects never die Join Date: Jan 2007 Location: Lawrence, kansas Posts: 1,508	Re: SBC Headers with NV3500? internal or external slave? thats only thing i think would be the problem. Then again i have no expeirence in nv3500/4500 swaps. __________________ Ill put it this way, ive got a few lawn ornaments My name tag says Ryan KansasTwister On other forums

03-25-2010, 05:07 PM	#11
Winola73 Registered User Join Date: Jan 2007 Location: Midwest Posts: 262	Re: SBC Headers with NV3500? Found these Hedmans, I think they'll work.........

04-01-2010, 09:40 PM	#12
Winola73 Registered User Join Date: Jan 2007 Location: Midwest Posts: 262	Re: SBC Headers with NV3500? These hit the firewall....... [/QUOTE]

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