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post #1 of 25 Old 05-23-2011, 11:38 PM Thread Starter
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B&G Install

Hoping to start putting my kit on this weekend. Have some questions for the stock block/heads guru's on here.

I'm debating if I should pull the heads and do gaskets before I put the kit on. If I do, which Felpro gaskets should I use?

Stock cam work the best, or should I get a custom ground? Buddy had an old Cartech kit on his Coupe with a stock cam, cobra intake, and 65mm tb. Worked great, but I kind of want to try something different this time around.

Ideally, I would like to get a set of Thumper E7's, and a Tmoss ported lower, but I don't think it will happen so here is my planned setup:

My setup
Completely stock 302
MPT70 or 76
Tremec
3.27s (have 3.73s in the car now, just waiting to put the new ring and pinion in)
Lightning MAF
42's
MSD BTM

Probably going to run 7ish psi as I can only get 91 here at the pump.


'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe

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post #2 of 25 Old 05-25-2011, 12:18 AM
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Good to see another Austinite here. I think I've seen you on AAS before. You would probably benefit from some better heads but not necessary. I have 1011-2 on mine with head bolts and it has held up so far but it seems people like the 9333's also. Did you buy the whole B&G kit or just the hotside?

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post #3 of 25 Old 05-25-2011, 08:49 AM Thread Starter
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I got a worked B&G hotside from a dude on here. Bought my cold side this past weekend from B&G. Going to be a PITA stuffing that intercooler behind an LX bumper I heard. Just need the turbo now, but i'm not sure what to run due to the 3.5" downpipe. I really wanted to run a .68 mpt70 because of the stock motor.

I'm running ARP's for sure, just not sure which headgaskets I need for stock e7s. Did you get the receiver grooves machined into your heads for the 1011-2? Supposedly it's needed for them to fully seat.

Yeah, John was running low 11's on his old single cartech 302 (completely stock) with just a lightning maf and a btm. I'm planning on running a similar setup, unless I can find a blowthrough Pro M at a good price.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #4 of 25 Old 05-25-2011, 10:22 AM
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Just slap it on and go. No reason IMO to pull it apart if the head seal is good.

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91 GT 302 CID c4 w/brake
TFS TW heads, f-cam, typhoon
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post #5 of 25 Old 05-25-2011, 11:06 AM
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Ya, the bumper took some time to fit. I didn't have the grooves machined in my heads.
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post #6 of 25 Old 05-25-2011, 11:56 AM
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stay with the mpt70 .68 a/r, enough to break a stock block and then some. I made 570hp on my stock block once, then we turned it down to be safe.

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post #7 of 25 Old 05-25-2011, 01:26 PM Thread Starter
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Sweet, i'll run the current HG's until they blow lol. Didn't know if the mpt70 being a 3" v band would be an issue with the 3.5" v band downpipe. I'm used to bolt style exhaust housings.

Anyone see any issues with my plan to run a lightning MAF, 42's, and a BTM? I've had a couple buddies run this setup, and it works well under WOT, there is some idling/start up issues due to the lightning maf, but it's cheap alternative to a blowthrough Pro M.

Unfortunately, I'm now in Kansas (Fort Riley) so I think my only tuning option is Overkill in Lawrence KS.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #8 of 25 Old 05-25-2011, 05:06 PM
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I have a moates quarterhorse that I'm still trying to figure out. It's a cheap alternative if you ever make other changes to your setup.
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post #9 of 25 Old 05-25-2011, 05:21 PM
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The downpipe in the B&G kit has a 3" vband on it to fit the mpt70. I ran into that issue when I broke the vband for the dp supplied in the kit. I figured it was 3.5" like the dp, wrong, it is a 3" vband. So you will be fine with a turbo with a 3" vband exhaust housing.
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post #10 of 25 Old 05-25-2011, 08:21 PM Thread Starter
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I measured the the flange on the downpipe and OD measured 4.25. -.750 and I got 3.5

Maybe I'm just retarted, but the OD of the v band flange on the downpipe is 4.25

I'll re measure.


'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #11 of 25 Old 05-25-2011, 09:26 PM
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If the downpipe has not been modified, and it was for the masterpower turbos, it is 3". Thats not to say it might have been ordered different from B&G.
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post #12 of 25 Old 05-25-2011, 10:16 PM Thread Starter
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Yeah, it's definately a B&G 3.5 downpipe, and it doesn't look like the flange has been modified. I need to measure ID tomorrow. I just measured OD and subtracted .750

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #13 of 25 Old 05-25-2011, 10:36 PM
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I have my dp off my car, Ill get a measurement for ya tomorrow to compare. I have the mpt76.
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post #14 of 25 Old 05-25-2011, 10:43 PM Thread Starter
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Badass, thanks man.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #15 of 25 Old 05-26-2011, 07:43 AM
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Quote:
Originally Posted by W00dSt0ck View Post
Yeah, it's definately a B&G 3.5 downpipe, and it doesn't look like the flange has been modified. I need to measure ID tomorrow. I just measured OD and subtracted .750
The B&G kits will come with the correct flange for the turbo. It could be 3, 3.5, or on a kit with an 88 it will be 4 inches. It all depends on what turbo was on the other car.

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post #16 of 25 Old 05-26-2011, 03:12 PM Thread Starter
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I'm going to run over to my shop and get some ID measurements, but i'm pretty sure it's 3.5" ID. Suggestions on a turbo since an mpt70 will be out of the question?

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #17 of 25 Old 05-26-2011, 04:13 PM
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You can have a new v-band flange put on the downpipe, but I would do it when it is all installed on the car. Anybody who is good with welding can do it and you should probably wrap it afterwards anyway.

Brian would do it if you send it to him but there is always a risk with doing it with only one piece in hand (even though Brian is very good at that type of thing).

Most of the precision T4 turbos have 3.5 inch outlets on them. I haven't worked with small ones, but I know the 76-78 ones are. You should be able to poke around their site.

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post #18 of 25 Old 05-26-2011, 04:36 PM
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Ok I measured the od of the vband flange it was 3.75". That's for a 3" vband clamp. So you were correct with the 3.5".

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post #19 of 25 Old 05-26-2011, 07:02 PM Thread Starter
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Thanks guys. I also noticed my downpipe only has 1 o2/wideband bung on it. Going to have to add two more as I plan on running open downpipe (may do exhaust in the future). I'll probably do it at the shop here.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe

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post #20 of 25 Old 05-27-2011, 02:32 AM Thread Starter
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Confirmed the ID of the downpipe flange is 3.5", as well as the v band clamp. Now the question, find a turbo with a 3.5 v band exhaust housing, or put a 3" flange on my downpipe?

Someone might want to upgrade?

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #21 of 25 Old 05-27-2011, 08:40 AM
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in a pinch I have welded a 3" vband to a 3.5"

dont hack it off just go on cxracing and buy a 3" vband for downpipe kit

Alex
1995 Mustang GT
Hooker Long Tubes, BBK H Pipe, flowmasters, 3.73's, homebrew tuned, slow
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post #22 of 25 Old 05-27-2011, 05:44 PM Thread Starter
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Everything with a 3.5" housing is wayy to huge for a stock 302 (have yet to find anything under 1.00 A/R). Looks like I'm going to have to put a new flange on it.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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post #23 of 25 Old 05-27-2011, 07:55 PM Thread Starter
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Holset? They seem to have a bunch of decently priced turbos with 3.5 exhaust housings.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe

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post #24 of 25 Old 05-28-2011, 08:17 PM
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Sweet, i'll run the current HG's until they blow lol. Didn't know if the mpt70 being a 3" v band would be an issue with the 3.5" v band downpipe. I'm used to bolt style exhaust housings.

Anyone see any issues with my plan to run a lightning MAF, 42's, and a BTM? I've had a couple buddies run this setup, and it works well under WOT, there is some idling/start up issues due to the lightning maf, but it's cheap alternative to a blowthrough Pro M.

Unfortunately, I'm now in Kansas (Fort Riley) so I think my only tuning option is Overkill in Lawrence KS.
I'd recommend House Of Boost in Lenexa. It's another 30 miles E of Lawrence but they know turbo mustangs. As for HG's I'd run Felpro 9333pt1's and ARP studs if you ever take the heads off.

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post #25 of 25 Old 05-29-2011, 01:00 PM Thread Starter
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Thanks for the tip.

A buddy has a low mile 60-1 that he's going to give me. And ATP sells 3.5 - 3" reducers, so i'm going to reduce the dp and put on a new v band flange.

'04 Built CTS-V, '31 Model A Ratrod, LS1/t56 Volvo 245, '98 Volvo V70R (DD), '79 KZ650 Bobber, '73 CB350 Cafe, '79 XS400 Cafe
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