75-91 third gen headers? JBA shorties, 351w - Ford Truck Enthusiasts Forums



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75-91 third gen headers? JBA shorties, 351w

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Old 01-03-2018, 02:49 PM
Samtech79 Samtech79 is offline
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75-91 third gen headers? JBA shorties, 351w

Does anyone know for sure, possibly have photos of JBA (1628) shorty headers installed on a 351w third gen van?
Does it clear the inside of the drivers side doghouse? How about the passenger side? Can you get to all the bolts?
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Old 01-04-2018, 09:56 PM
baddad457 baddad457 is offline
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My advice to you if you're new to headers is to get an assortment of different brand wrenches in the size of the bolts you use. The longer end wrenches will help in getting the bolts tighter. Get header bolts only with 3/8" 12 point heads. This far simplifies installation with tight clearances. Get soft copper gaskets. You'll pay more for them, but once tightened, they will NEVER work loose.
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Old 01-05-2018, 07:15 PM
fordman75 fordman75 is offline
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Originally Posted by baddad457 View Post
Get soft copper gaskets. You'll pay more for them, but once tightened, they will NEVER work loose.
I'd go with the Remflex gaskets. They are fairly thick & soft so they conform to almost any warpage or surface defects. Plus they won't burn thru/leak like the copper gaskets can. They aren't cheap but well worth it in the long run.

FORD Header/Exhaust Manifold Gasket



And I really like the "Stage 8" brand locking hardware for headers. It's nice insurance for keeping header bolts tight.
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Old 01-05-2018, 09:08 PM
baddad457 baddad457 is offline
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Originally Posted by fordman75 View Post
I'd go with the Remflex gaskets. They are fairly thick & soft so they conform to almost any warpage or surface defects. Plus they won't burn thru/leak like the copper gaskets can. They aren't cheap but well worth it in the long run.

FORD Header/Exhaust Manifold Gasket



And I really like the "Stage 8" brand locking hardware for headers. It's nice insurance for keeping header bolts tight.
I've never had copper burn through. Aluminum ? Yea. And once tight, there's no need for locking bolts.
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Old 01-05-2018, 09:39 PM
fordman75 fordman75 is offline
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I've never had copper burn through. Aluminum ? Yea. And once tight, there's no need for locking bolts.

I've seen plenty of people with them that leaked. Now that could be improper installation, tightening, or severe warpage. But they still leaked.

I said they were insurance. And when dealing with a V8 in a van keeping exhaust leaks from happening and hassle of fixing them it's worth a little insurance.
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Old 01-05-2018, 10:28 PM
baddad457 baddad457 is offline
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Originally Posted by fordman75 View Post
I've seen plenty of people with them that leaked. Now that could be improper installation, tightening, or severe warpage. But they still leaked.

I said they were insurance. And when dealing with a V8 in a van keeping exhaust leaks from happening and hassle of fixing them it's worth a little insurance.
If you take the time to get all the bolts tight and the gaskets compressed, there will be no loosening nor burn through. I've used them on two motors now, one iron headed, the other aluminum. The later has had two sets on it now due to having to go into the motor. The iron headed was my van, one side's been replaced due to the header cracking at the collector junction. The opposite side has been in service for 6 years now and the bolts have yet to work loose.
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Old 01-06-2018, 05:38 PM
richter roxs richter roxs is offline
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When considering headers always ask yourself first are you willing to pull the heads if (or when ) the manifold bolts snap. Can’t help on the fit but if you pull your manifolds and order the ones you like from summit racing and you are careful during the trial fitting if they don’t fit and are undamaged you could send them back .

There is not a lot of info on vans and headers, i have pacesetter shorties on my 96 5.8 with a tight but good fit. Good luck and make sure you post your results if any.
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