Search found 1521 matches

by air-roberts
Fri Apr 14, 2017 9:15 am
Forum: High Performance Talk
Topic: header length n tuning
Replies: 11
Views: 2468

Re: header length n tuning

my experience has been long headers cause long provides torq and thats what you want in airboating
by air-roberts
Mon Dec 14, 2015 8:39 am
Forum: Automotive Power Only
Topic: 406 rear main bearing issues
Replies: 11
Views: 1167

Re: 406 rear main bearing issues

line boring doesn't change the distance ofk just adds more bearing material sounds l;ike so true does it have any harmonic vibrations
by air-roberts
Mon Dec 14, 2015 8:33 am
Forum: Automotive Power Only
Topic: BBC ROCKERS
Replies: 6
Views: 747

Re: BBC ROCKERS

need to check for coil bind did you get matching springs? and did you say there new rockers
by air-roberts
Fri Aug 21, 2015 8:14 am
Forum: High Performance Talk
Topic: How about nitrous?
Replies: 12
Views: 1820

Re: How about nitrous?

x2 on hammerhead
by air-roberts
Tue Aug 04, 2015 8:06 am
Forum: Prop Talk
Topic: Sensenich blades on a water walker hub?
Replies: 15
Views: 1308

Re: Sensenich blades on a water walker hub?

they will work the same but both be sure the serial numbers are together over looked alot
by air-roberts
Fri Jul 31, 2015 7:59 am
Forum: Aircraft Power Only
Topic: How to repair a crack in case oil leak
Replies: 9
Views: 1350

Re: How to repair a crack in case oil leak

yea if you split case then you can tig it with no prob
by air-roberts
Sun Jul 19, 2015 10:58 am
Forum: Prop Talk
Topic: Whispertip EX - pitch vs length
Replies: 13
Views: 1354

Re: Whispertip EX - pitch vs length

for racine and snap shorter for lot of low end hill runnin and top end longer
by air-roberts
Wed Jul 15, 2015 8:22 am
Forum: Prop Talk
Topic: Whirlwind guys - prop options??
Replies: 4
Views: 1051

Re: Whirlwind guys - prop options??

deffinitly the whispertip narrow if you want a s/a discount price pm me
by air-roberts
Sun Jun 28, 2015 10:55 am
Forum: Automotive Power Only
Topic: LT1 whatcha think?
Replies: 5
Views: 875

Re: LT1 whatcha think?

just know the lt1 has a special intake and then you can run a regular distributor and you have to plug the hole where the driver was i've done a few of the if you have any questions let me know
by air-roberts
Sat Jun 27, 2015 8:39 am
Forum: Automotive Power Only
Topic: 556hp LSA vs. 600hp 418 Water Thunder
Replies: 343
Views: 20005

Re: 556hp LSA vs. 600hp 418 Water Thunder

that's what we've been trying to advise in since the beginning of thread like me and tony and others have said. who would want to spend all that money in a new motor and then take it apart and put good stuff in it when daves already has the best of best not to add the reputation which speaks for its...
by air-roberts
Sun Jun 21, 2015 9:05 am
Forum: Prop Talk
Topic: Prop trouble
Replies: 9
Views: 1459

Re: Prop trouble

make sure your tach is ok too
by air-roberts
Wed Jun 17, 2015 8:34 am
Forum: Automotive Power Only
Topic: 556hp LSA vs. 600hp 418 Water Thunder
Replies: 343
Views: 20005

Re: 556hp LSA vs. 600hp 418 Water Thunder

how many cu. are talking about on these bb motors cause hell these ls sb are little bb's now hell my little ls 384 has the same stroke as a 454 close to same rod length just a smaller bore and 1/2 the weight the torq comes from the stroke & rod length. i know your going to say head but now the m...
by air-roberts
Tue Jun 16, 2015 7:44 am
Forum: Automotive Power Only
Topic: 556hp LSA vs. 600hp 418 Water Thunder
Replies: 343
Views: 20005

Re: 556hp LSA vs. 600hp 418 Water Thunder

blackwaterairboats wrote:Watertunder the 540BB that Mas builds weighed in at 448 pounds with oil in it. What does the motors you build weigh?

as far as i can remember i'd have to check but i beleive it was 365 with starter carb oil and everything ready to start he's got a pic of it on the scale with weight showing
by air-roberts
Fri Jun 12, 2015 8:48 am
Forum: Automotive Power Only
Topic: 556hp LSA vs. 600hp 418 Water Thunder
Replies: 343
Views: 20005

Re: 556hp LSA vs. 600hp 418 Water Thunder

getting back to the original toppick w/t vs lsa if you want to spend money after you what ever purchas price witc most dont the w/t specks for itself i don't know of anyone having problems with them being motor internals already has the best of the best and dave stands behind his stuff on top of bei...
by air-roberts
Wed Jun 10, 2015 8:03 am
Forum: Automotive Power Only
Topic: Prop damage from drive belt Caddy DD 500
Replies: 6
Views: 1078

Re: Prop damage from drive belt Caddy DD 500

the problem most likely was the bolt that held your alt on was prob a hardened bolt and they break get a soft or threaded rod and i'll never happen again i learned the hard way too
by air-roberts
Sun Jun 07, 2015 9:35 am
Forum: Aircraft Power Only
Topic: Boat attitud?
Replies: 5
Views: 1245

Re: Boat attitud?

think of the prop as a gyro when you lower back of motor it lowers your bow and raise rases etc after that then yes jack theres uhther ways also if you still ha ve a prob let me know
by air-roberts
Sun Jun 07, 2015 9:31 am
Forum: Airboat Talk
Topic: Blue Creek in Astor
Replies: 18
Views: 2424

Re: Blue Creek in Astor

up there jack you'd be better off with your kicker boat it's beautiful up there i use to go to hontoon every memoprial day loved it
by air-roberts
Thu Jun 04, 2015 8:10 am
Forum: Automotive Power Only
Topic: whats the normal water temp for a caddy motor
Replies: 9
Views: 1024

Re: whats the normal water temp for a caddy motor

theres a couple of tricks i figured out on cattys if you have a heating prob just let me know
by air-roberts
Thu Jun 04, 2015 8:07 am
Forum: Prop Talk
Topic: Which Prop
Replies: 7
Views: 1198

Re: Which Prop

i'd prefer a 80 " whisper tip and if you like i can give you a great price on one just pm me if you like
by air-roberts
Thu May 21, 2015 8:06 am
Forum: Prop Talk
Topic: whats a better prop for my 472 cad
Replies: 9
Views: 1029

Re: whats a better prop for my 472 cad

the best prop for that ap is the whirlwind wt ex 72"
by air-roberts
Tue May 19, 2015 8:19 am
Forum: Prop Talk
Topic: Prop x pitched @ y degrees turned @ z rpm = ? HP
Replies: 6
Views: 1230

Re: Prop x pitched @ y degrees turned @ z rpm = ? HP

its only a base cause there are alot of varibles such as how close the prop is to something take a fan for example start putting something in the rear of it and see how the rpms goes up :idea:
by air-roberts
Fri May 15, 2015 8:42 am
Forum: Automotive Power Only
Topic: switched over
Replies: 16
Views: 2106

Re: switched over

on the ls you can take the one water outlet out and thread a adapter in for mechanical and your gettin g true temp reading right out of w.p.
by air-roberts
Wed May 13, 2015 8:33 am
Forum: Prop Talk
Topic: wooden prop location
Replies: 17
Views: 3327

Re: wooden prop location

yes put on top dead center then bolt prop with leading edge at1:00
by air-roberts
Thu May 07, 2015 8:25 am
Forum: Automotive Power Only
Topic: cam company ?'s
Replies: 11
Views: 899

Re: cam company ?'s

do you have a brass or milonized gear on distributer? thats what it sounds like other that cam and is is it a roller?

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