Nutz4vette's Speedfactory b series a/c ramhorn - Can't use a radiator
Is anyone else using this manifold, I have it with a pte 5858 and can’t fit my radiator because of where it puts the compressor housing, any advice or input would be much appreciated
So not even sure how I’m gonna make the a/c condenser fit, obv the clamp on the wastegate needs clocked but yeah still no clue
The compressor outlet is coming out right in front of the stock radiator mount, turbo needs clocked a hair towards the block but the housing will still be in the way of the radiator
Radiator all the way against the housing, even if I take the fan and shroud off there isn’t enough room to get the radiator into position
My only solution I can think of is to cut off stock radiator mounts, a drop the radiator down and slide it as far as I can to the passenger side, I bought asr relocation mounts but I don’t even know if that would be enough, seems like I’ll still have to angle the radiator, so maybe make like a skid plate out of 1/8 stainless and mount to it???? People have had to have bought this manifold and ran into this issue
That would never fit even with rad mounted first. Is this supposed to be a AC compatible manifold? Meant for a tucked rad setup? Plenty of ram horn ac/ps setups around. This one seems off.
maybe it's meant for a pusher (fan) setup. From the pictures it looks like if it was a pusher it would fit. Also doesn't look like it was designed for shroud/fan combo
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I'm a bit confused here. You bought/have an AC-compatible manifold yet you deleted just about all of the AC lines and components. Are you planning to put them back after the turbo install? If not, you bought the wrong style manifold. Either swap it out or get a tucked radiator (which costs more than a new manifold from what I recall).
I bought the radiator and shroud when the car was na, I am just now putting the car back together after having the engine rebuilt after deciding to go turbo so no I haven’t put the a/c system back in yet, yes this is an a/c compatible manifold and no specification about a tuck radiator being required, plenty of other brands with similar manifolds don’t require a tuck rad, and I tried even without the fan/shroud, still no go
What about the DP? does it clear the oil pan? That fitment just seems off for some reason...like the compressor is meant to be on timing belt side instead of the tranny.
Plus, I don't see how the AC condenser+fan is even going to fit with the wastegate there.
Plus, I don't see how the AC condenser+fan is even going to fit with the wastegate there.
I am going to have to have a downpipe made for it but if you switch the turbo around the housing and ends up against the block it does seem off I’m gonna talk to Speed factory tomorrow and see what can be done about it I wouldn’t think a 5858 would be too big but it definitely doesn’t seem to work with this manifold
If you flip the turbo around on the manifold, where does the compressor hit? I've heard that some AC compatible manifolds will require the webbing on the block to be notched to clear the compressor housing. Otherwise, 5858 may just be too big of a compressor housing. I'm a D-series guy, and I know that for the manifold I'm using, I had to stay with a B-cover compressor to clear everything.
The manifold is designed to mount the way I have it, almost all b series a/c ramhorn are this way, the webbing has to be notched the way I have it now, speed factory said 5858 does work, I notched a tiny bit on the radiator support and got it to fit, gonna work on it a little more to get a little more room, Ricky at speedfactory himself answered me, super quick responses, much better customer service than other companies I’ve dealt with lately
SF has excellent customer service, glad you were able to get it to squeeze in there. In favor of a puller fan, why not notch out some of the shroud?
I could notch the shroud but the fan would still be in the way, wondering if I can just take the fan off of the shroud and still use it as a puller but just offset it to the passenger side, don’t see why not, I just know tons of people running ramhorn that run into overheating issues, think it has more to do with the size of intercooler more than anything
Last edited by nutz4vette; Oct 26, 2019 at 09:00 AM.
You have your work cut out for you. Any tubular manifold on a turbo B series + AC is a recipe for headaches in the overheating department, ram horns are especially brutal. A proper SPAL fan, good radiator AND shroud, properly bled system, water wetter, and front air ducts or a lower air dam can help. I'd advise both coating AND wrapping that manifold too, and definitely run a blanket on the turbo.
Best of luck. If you can find a way to keep the shroud on the radiator and get everything to fit with the puller setup, that would certainly be ideal. Make sure you account for the little bit of engine movement front/back too.
Best of luck. If you can find a way to keep the shroud on the radiator and get everything to fit with the puller setup, that would certainly be ideal. Make sure you account for the little bit of engine movement front/back too.
Last edited by Chance EG; Oct 9, 2019 at 01:14 PM. Reason: words.
Yeah that’s the plan, I’m not even gonna worry about the a/c until I get everything else lined out and running absolutely correct, no overheating
You have your work cut out for you. Any tubular manifold on a turbo B series + AC is a recipe for headaches in the overheating department, ram horns are especially brutal. A proper SPAL fan, good radiator AND shroud, properly bled system, water wetter, and front air ducts or a lower air dam can help. I'd advise both coating AND wrapping that manifold too, and definitely run a blanket on the turbo.
Best of luck. If you can find a way to keep the shroud on the radiator and get everything to fit with the puller setup, that would certainly be ideal. Make sure you account for the little bit of engine movement front/back too.
Best of luck. If you can find a way to keep the shroud on the radiator and get everything to fit with the puller setup, that would certainly be ideal. Make sure you account for the little bit of engine movement front/back too.








